- Test - lists.nanog.org

Re: BGP Attack - Best Defense ?
by Scott Weeks 29 Aug '08

29 Aug '08

Please allow me to change this: "I then would deaggregate (as little as possible) to be able to announce the same more specific as the attacker." to this: "Announce the same more specific as the attacker." scott --- surfer(a)mauigateway.com wrote: From: "Scott Weeks" <surfer(a)mauigateway.com> To: <nanog(a)merit.edu> Subject: BGP Attack - Best Defense ? Date: Fri, 29 Aug 2008 14:29:21 -0700 My question revolves around the best recovery from an attack of the type we've been discussing. I only figured out the attack methodology yesterday evening Hawaiian Standard Time. Be gentle please... :-) I am signed up for the Prefix Hijack Alert System (phas.netsec.colostate.edu) and would be alerted in about 6 hours (or less?) about a prefix announcement change. I then would deaggregate (as little as possible) to be able to announce the same more specific as the attacker. The topologically closer ASs would then start sending the traffic to me properly. Those topologically closest to the attacker would still send to the attack path. I would then try to contact the ASs still using the attack path to get it stopped. (Yell help on NANOG? ;-) Is this the best recovery plan at this time? scott

1 0

HurricaneElectric
by Colin Alston 29 Aug '08

29 Aug '08

Is anyone from Hurricane Electric/TunnelBroker.net here?

2 2

Weekly Routing Table Report
by Routing Analysis Role Account 29 Aug '08

29 Aug '08

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 30 Aug, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 267403 Prefixes after maximum aggregation: 129611 Deaggregation factor: 2.06 Unique aggregates announced to Internet: 130029 Total ASes present in the Internet Routing Table: 29086 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 25321 Origin ASes announcing only one prefix: 12271 Transit ASes present in the Internet Routing Table: 3765 Transit-only ASes present in the Internet Routing Table: 83 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 584 Unregistered ASNs in the Routing Table: 211 Number of 32-bit ASNs allocated by the RIRs: 59 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 758 Number of addresses announced to Internet: 1895287072 Equivalent to 112 /8s, 247 /16s and 201 /24s Percentage of available address space announced: 51.1 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.3 Total number of prefixes smaller than registry allocations: 131240 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 61349 Total APNIC prefixes after maximum aggregation: 22780 APNIC Deaggregation factor: 2.69 Prefixes being announced from the APNIC address blocks: 58289 Unique aggregates announced from the APNIC address blocks: 26196 APNIC Region origin ASes present in the Internet Routing Table: 3351 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 885 APNIC Region transit ASes present in the Internet Routing Table: 511 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 374332192 Equivalent to 22 /8s, 79 /16s and 219 /24s Percentage of available APNIC address space announced: 79.7 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 122481 Total ARIN prefixes after maximum aggregation: 64799 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 91576 Unique aggregates announced from the ARIN address blocks: 35030 ARIN Region origin ASes present in the Internet Routing Table: 12412 ARIN Prefixes per ASN: 7.38 ARIN Region origin ASes announcing only one prefix: 4782 ARIN Region transit ASes present in the Internet Routing Table: 1189 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 360803168 Equivalent to 21 /8s, 129 /16s and 107 /24s Percentage of available ARIN address space announced: 74.2 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 57701 Total RIPE prefixes after maximum aggregation: 34980 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 52817 Unique aggregates announced from the RIPE address blocks: 35529 RIPE Region origin ASes present in the Internet Routing Table: 11793 RIPE Prefixes per ASN: 4.48 RIPE Region origin ASes announcing only one prefix: 6194 RIPE Region transit ASes present in the Internet Routing Table: 1795 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 370029760 Equivalent to 22 /8s, 14 /16s and 52 /24s Percentage of available RIPE address space announced: 84.8 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-48127 RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 21248 Total LACNIC prefixes after maximum aggregation: 5325 LACNIC Deaggregation factor: 3.99 Prefixes being announced from the LACNIC address blocks: 19481 Unique aggregates announced from the LACNIC address blocks: 10795 LACNIC Region origin ASes present in the Internet Routing Table: 986 LACNIC Prefixes per ASN: 19.76 LACNIC Region origin ASes announcing only one prefix: 324 LACNIC Region transit ASes present in the Internet Routing Table: 167 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 54844416 Equivalent to 3 /8s, 68 /16s and 220 /24s Percentage of available LACNIC address space announced: 54.5 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 4039 Total AfriNIC prefixes after maximum aggregation: 1253 AfriNIC Deaggregation factor: 3.22 Prefixes being announced from the AfriNIC address blocks: 4386 Unique aggregates announced from the AfriNIC address blocks: 1910 AfriNIC Region origin ASes present in the Internet Routing Table: 252 AfriNIC Prefixes per ASN: 17.40 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 12647424 Equivalent to 0 /8s, 192 /16s and 252 /24s Percentage of available AfriNIC address space announced: 37.7 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4755 1712 538 180 Videsh Sanchar Nigam Ltd. Aut 17488 1370 89 104 Hathway IP Over Cable Interne 9583 1109 89 492 Sify Limited 4766 871 6407 357 Korea Telecom (KIX) 4134 838 13619 341 CHINANET-BACKBONE 23577 820 35 695 Korea Telecom (ATM-MPLS) 4780 712 353 61 Digital United Inc. 18101 694 167 31 Reliance Infocom Ltd Internet 9498 674 291 53 BHARTI BT INTERNET LTD. 4808 623 1108 136 CNCGROUP IP network: China169 Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4307 3416 344 bellsouth.net, inc. 209 2883 3873 617 Qwest 6298 2013 323 717 Cox Communicatons 1785 1649 710 156 AppliedTheory Corporation 2386 1559 691 900 AT&T Data Communications Serv 4323 1500 1073 374 Time Warner Telecom 20115 1478 1194 670 Charter Communications 7018 1409 5785 978 AT&T WorldNet Services 11492 1211 151 22 Cable One 6478 1134 239 187 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 414 1776 372 TDC Tele Danmark 3215 396 2756 106 France Telecom Transpac 8452 358 188 11 TEDATA 3301 334 1444 305 TeliaNet Sweden 3320 323 7047 271 Deutsche Telekom AG 8866 317 77 21 Bulgarian Telecommunication C 5462 296 666 27 Telewest Broadband 8551 288 270 38 Bezeq International 680 275 2047 265 DFN-IP service G-WiN 8708 267 422 252 Romania Data Systems S.A. Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1589 2606 230 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 7303 477 235 67 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 421 85 48 ENTEL CHILE S.A. 10620 411 102 71 TVCABLE BOGOTA 11172 409 118 73 Servicios Alestra S.A de C.V 14117 345 23 9 Telefonica del Sur S.A. 28573 338 440 29 NET Servicos de Comunicao S.A Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 508 65 36 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 266 855 223 The Internet Solution 2018 229 214 135 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 136 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 119 6 3 Starcomms Nigeria Limited 5713 118 539 70 Telkom SA Ltd 29571 107 13 8 Ci Telecom Autonomous system Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4307 3416 344 bellsouth.net, inc. 209 2883 3873 617 Qwest 6298 2013 323 717 Cox Communicatons 4755 1712 538 180 Videsh Sanchar Nigam Ltd. Aut 1785 1649 710 156 AppliedTheory Corporation 8151 1589 2606 230 UniNet S.A. de C.V. 2386 1559 691 900 AT&T Data Communications Serv 4323 1500 1073 374 Time Warner Telecom 20115 1478 1194 670 Charter Communications 7018 1409 5785 978 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2883 2266 Qwest 4755 1712 1532 Videsh Sanchar Nigam Ltd. Aut 1785 1649 1493 AppliedTheory Corporation 8151 1589 1359 UniNet S.A. de C.V. 6298 2013 1296 Cox Communicatons 17488 1370 1266 Hathway IP Over Cable Interne 11492 1211 1189 Cable One 4323 1500 1126 Time Warner Telecom 18566 1045 1035 Covad Communications 6478 1134 947 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies, 22492 UNALLOCATED 12.2.46.0/24 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.75.160.0/19 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, Inc. 63.143.251.0/24 22555 Universal Talkware Corporatio Complete listing at http://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:9 /10:17 /11:45 /12:146 /13:292 /14:527 /15:1062 /16:10057 /17:4376 /18:7622 /19:16077 /20:18755 /21:18407 /22:23185 /23:24242 /24:139894 /25:834 /26:1022 /27:722 /28:77 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2861 4307 bellsouth.net, inc. 6298 1986 2013 Cox Communicatons 209 1652 2883 Qwest 2386 1237 1559 AT&T Data Communications Serv 11492 1192 1211 Cable One 17488 1178 1370 Hathway IP Over Cable Interne 1785 1118 1649 AppliedTheory Corporation 4755 1049 1712 Videsh Sanchar Nigam Ltd. Aut 6478 1027 1134 AT&T Worldnet Services 18566 1026 1045 Covad Communications Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:136 12:2135 13:2 15:22 16:3 17:5 18:13 20:35 24:1082 32:59 38:488 40:92 41:714 43:1 44:2 47:12 52:3 55:3 56:3 57:26 58:526 59:510 60:452 61:965 62:1209 63:2047 64:3231 65:2367 66:3453 67:1227 68:782 69:2289 70:868 71:132 72:2024 73:6 74:1127 75:170 76:314 77:769 78:801 79:243 80:977 81:871 82:583 83:374 84:574 85:982 86:401 87:717 88:339 89:1321 90:37 91:1428 92:251 93:808 94:111 96:62 97:65 98:317 99:6 114:92 115:41 116:1000 117:342 118:195 119:480 120:83 121:587 122:821 123:398 124:835 125:1194 128:356 129:202 130:134 131:413 132:70 133:9 134:188 135:34 136:223 137:97 138:141 139:94 140:507 141:103 142:407 143:312 144:411 145:51 146:372 147:157 148:513 149:202 150:127 151:180 152:145 153:136 154:10 155:278 156:174 157:299 158:163 159:299 160:274 161:136 162:256 163:158 164:515 165:490 166:365 167:332 168:628 169:142 170:429 171:33 172:10 173:33 188:1 189:549 190:2114 192:5799 193:4145 194:3251 195:2576 196:1025 198:3734 199:3313 200:5555 201:1527 202:7630 203:8095 204:3946 205:2157 206:2371 207:2758 208:3526 209:3431 210:2600 211:1088 212:1436 213:1613 214:178 215:50 216:4385 217:1207 218:346 219:429 220:1063 221:427 222:313 End of report

1 0

IP Fragmentation
by Glen Kent 29 Aug '08

29 Aug '08

Hi, Do transit routers in the wild actually get to do IP fragmentation these days? I was wondering if routers actually do it or not, because the source usually discovers the path MTU and sends its data with the least supported MTU. Is this true? Even if this is, then this would break for multicast IP. The source cannot determine which receivers would get interested in the traffic and what capacities the links connecting them would support. So, a source would send IP packets with some size, and theres a chance that one of the routers *may* have to fragment those IP packets before passing it on to the next router. I would wager that the vendors and operators would want to avoid IP fragmentation since thats usually done in SW (unless you've got a very powerful ASIC or your box is NP based). Thanks, Glen

13 17

RE: Revealed: The Internet's well known BGP behavior
by Boyd, Benjamin R 29 Aug '08

29 Aug '08

We've encountered the same diligence with LVL3, especially after acquisitions where records haven't been updated yet. Although a little annoying it's quite refreshing. >-----Original Message----- >From: Eric Spaeth [mailto:eric@spaethco.com] >Sent: Thursday, August 28, 2008 1:41 AM >To: Jon Lewis; nanog(a)merit.edu >Subject: Re: Revealed: The Internet's well known BGP behavior > >Jon Lewis wrote: >>> At 11:32 PM 27-08-08 -0500, John Lee wrote: >>> >>> They didn't have control of any routers other than their own. What >>> they had to find is a single clueless upstream ISP that would allow >>> them to announce prefixes that didn't belong to them. >> >> Clueless or big and inattentive? AFAIK, Level3 will accept anything >> from me...as long as I put it in one of the IRRs the day >before I plan >> to announce it. > >Working for a company that has been steadily growing through >acquisition, we have actually run into this problem a couple times >before. I'm not sure if we hit the lottery, but our upstream >providers >(including LVL3) have definitely intervened when we've moved >netblocks from a company that doesn't match our name into our >facilities to be advertised under our ASNs. I'm not sure how >diligent or widespread the validation checks are, but at least >on occasion they do occur. > >-Eric > > > *************************************************************************************** The information contained in this message, including attachments, may contain privileged or confidential information that is intended to be delivered only to the person identified above. If you are not the intended recipient, or the person responsible for delivering this message to the intended recipient, Windstream requests that you immediately notify the sender and asks that you do not read the message or its attachments, and that you delete them without copying or sending them to anyone else.

3 2

BGP Update Report
by cidr-report＠potaroo.net 29 Aug '08

29 Aug '08

BGP Update Report Interval: 28-Jul-08 -to- 28-Aug-08 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 161731 2.9% 129.3 -- SIFY-AS-IN Sify Limited 2 - AS1803 102448 1.8% 78.9 -- ICMNET-5 - Sprint 3 - AS5691 75708 1.4% 5823.7 -- MITRE-AS-5 - The MITRE Corporation 4 - AS8151 70862 1.3% 31.8 -- Uninet S.A. de C.V. 5 - AS9051 63939 1.1% 404.7 -- IDM Autonomous System 6 - AS4538 47320 0.8% 9.4 -- ERX-CERNET-BKB China Education and Research Network Center 7 - AS10396 39967 0.7% 579.2 -- COQUI-NET - DATACOM CARIBE, INC. 8 - AS17488 37375 0.7% 25.3 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 9 - AS8866 35099 0.6% 109.0 -- BTC-AS Bulgarian Telecommunication Company Plc. 10 - AS9299 33606 0.6% 26.2 -- IPG-AS-AP Philippine Long Distance Telephone Company 11 - AS6298 33223 0.6% 15.6 -- COX-PHX - Cox Communications Inc. 12 - AS14522 32412 0.6% 158.1 -- Satnet 13 - AS6389 31280 0.6% 7.6 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 14 - AS5056 30874 0.6% 253.1 -- INS-NET-2 - Iowa Network Services 15 - AS3464 30227 0.5% 81.3 -- ASC-NET - Alabama Supercomputer Network 16 - AS28194 29473 0.5% 4912.2 -- 17 - AS209 29222 0.5% 5.9 -- ASN-QWEST - Qwest 18 - AS18231 28359 0.5% 114.8 -- EXATT-AS-AP IOL NETCOM LTD 19 - AS17974 27926 0.5% 36.8 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 20 - AS33783 27785 0.5% 199.9 -- EEPAD TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS14593 18957 0.3% 18957.0 -- BRAND-INSTITUTE - Brand Instiute, Inc. 2 - AS29910 8263 0.1% 8263.0 -- IACP - INTL. ASSN OF CHIEF OF POLICEI 3 - AS47467 14731 0.3% 7365.5 -- GRIFFEL Griffel AB 4 - AS5691 75708 1.4% 5823.7 -- MITRE-AS-5 - The MITRE Corporation 5 - AS28194 29473 0.5% 4912.2 -- 6 - AS40627 8677 0.2% 4338.5 -- RC-COLO1 - RingCentral Inc 7 - AS43299 3980 0.1% 3980.0 -- TELECONTACT-AS Telecontact Ltd. 8 - AS23082 18566 0.3% 3713.2 -- MPHI - Michigan Public Health Institute 9 - AS27245 5896 0.1% 2948.0 -- HEIDRICK-CHICAGO - HEIDRICK 10 - AS39748 2137 0.0% 2137.0 -- VITAS VITAS LLC 11 - AS30929 2110 0.0% 2110.0 -- HUTCB Hidrotechnical Faculty - Technical University 12 - AS4184 4002 0.1% 2001.0 -- STORTEK-WHQ - Storage Technology Corporation 13 - AS23917 1888 0.0% 1888.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 14 - AS14756 1796 0.0% 1796.0 -- ATMOSPHERE-AS - Atmosphere 15 - AS39794 1782 0.0% 1782.0 -- EL-KOZIENICE-AS Elektrownia Kozienice S.A. 16 - AS30969 18315 0.3% 1665.0 -- TAN-NET TransAfrica Networks 17 - AS11268 1651 0.0% 1651.0 -- WNM-ORG - Walls New Media 18 - AS42795 1599 0.0% 1599.0 -- XEROX-GENERAL-AS Xerox General Services 19 - AS31567 15881 0.3% 1588.1 -- AKSORAN Aksoran LCC 20 - AS28542 1543 0.0% 1543.0 -- Gobierno del Estado de Coahuila TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.12.120.0/24 75632 1.2% AS5691 -- MITRE-AS-5 - The MITRE Corporation 2 - 194.126.143.0/24 61225 1.0% AS9051 -- IDM Autonomous System 3 - 221.134.222.0/24 60139 1.0% AS9583 -- SIFY-AS-IN Sify Limited 4 - 83.228.71.0/24 28026 0.5% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 5 - 221.128.192.0/18 25757 0.4% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 6 - 72.50.96.0/20 24225 0.4% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 7 - 12.8.7.0/24 18957 0.3% AS14593 -- BRAND-INSTITUTE - Brand Instiute, Inc. 8 - 210.214.151.0/24 14904 0.2% AS9583 -- SIFY-AS-IN Sify Limited 9 - 196.42.0.0/20 14593 0.2% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 10 - 89.38.98.0/23 13305 0.2% AS6663 -- EUROWEBRO Euroweb Romania SA 11 - 210.210.112.0/24 12032 0.2% AS9583 -- SIFY-AS-IN Sify Limited 12 - 221.135.80.0/24 11995 0.2% AS9583 -- SIFY-AS-IN Sify Limited 13 - 203.63.26.0/24 11584 0.2% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 14 - 195.251.5.0/24 11458 0.2% AS5408 -- GR-NET Greek Research & Technology Network, http://www.grnet.gr 15 - 196.27.104.0/21 8984 0.1% AS30969 -- TAN-NET TransAfrica Networks 16 - 83.239.192.0/21 8925 0.1% AS42362 -- ALANIA-AS Sevosetinelectrosvyaz 17 - 205.162.132.0/23 8880 0.1% AS23541 -- Scarlet B.V. 18 - 196.27.108.0/22 8849 0.1% AS30969 -- TAN-NET TransAfrica Networks 19 - 202.52.245.0/24 8368 0.1% AS4613 -- MOS-NP Mercantile Office Systems 20 - 63.239.134.0/24 8263 0.1% AS29910 -- IACP - INTL. ASSN OF CHIEF OF POLICEI Details at http://bgpupdates.potaroo.net ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

1 0

The Cidr Report
by cidr-report＠potaroo.net 29 Aug '08

29 Aug '08

This report has been generated at Fri Aug 29 21:18:25 2008 AEST. The report analyses the BGP Routing Table of AS2.0 router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org for a current version of this report. Recent Table History Date Prefixes CIDR Agg 22-08-08 276915 170364 23-08-08 278717 170858 24-08-08 278619 170869 25-08-08 278715 171104 26-08-08 278889 171519 27-08-08 279124 171732 28-08-08 278921 172395 29-08-08 279583 170820 AS Summary 29241 Number of ASes in routing system 12343 Number of ASes announcing only one prefix 5015 Largest number of prefixes announced by an AS AS4538 : ERX-CERNET-BKB China Education and Research Network Center 88351232 Largest address span announced by an AS (/32s) AS721 : DISA-ASNBLK - DoD Network Information Center Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 29Aug08 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 279883 172711 107172 38.3% All ASes AS4538 5015 881 4134 82.4% ERX-CERNET-BKB China Education and Research Network Center AS6389 4313 358 3955 91.7% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS209 2899 666 2233 77.0% ASN-QWEST - Qwest AS4755 1720 250 1470 85.5% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS6298 2008 811 1197 59.6% COX-PHX - Cox Communications Inc. AS17488 1371 305 1066 77.8% HATHWAY-NET-AP Hathway IP Over Cable Internet AS18566 1046 45 1001 95.7% COVAD - Covad Communications Co. AS8151 1589 605 984 61.9% Uninet S.A. de C.V. AS1785 1650 674 976 59.2% AS-PAETEC-NET - PaeTec Communications, Inc. AS4323 1494 560 934 62.5% TWTC - tw telecom holdings, inc. AS22773 968 76 892 92.1% CCINET-2 - Cox Communications Inc. AS19262 944 198 746 79.0% VZGNI-TRANSIT - Verizon Internet Services Inc. AS11492 1214 502 712 58.6% CABLEONE - CABLE ONE AS2386 1563 917 646 41.3% INS-AS - AT&T Data Communications Services AS9498 674 65 609 90.4% BBIL-AP BHARTI Airtel Ltd. AS6478 1134 560 574 50.6% ATT-INTERNET3 - AT&T WorldNet Services AS18101 696 174 522 75.0% RIL-IDC Reliance Infocom Ltd Internet Data Centre, AS4766 900 410 490 54.4% KIXS-AS-KR Korea Telecom AS4808 626 152 474 75.7% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS855 589 119 470 79.8% CANET-ASN-4 - Bell Aliant AS22047 564 127 437 77.5% VTR BANDA ANCHA S.A. AS7018 1431 996 435 30.4% ATT-INTERNET4 - AT&T WorldNet Services AS9443 524 89 435 83.0% INTERNETPRIMUS-AS-AP Primus Telecommunications AS4134 838 407 431 51.4% CHINANET-BACKBONE No.31,Jin-rong Street AS24560 572 154 418 73.1% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS7011 903 491 412 45.6% FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. AS7029 522 112 410 78.5% WINDSTREAM - Windstream Communications Inc AS4668 683 274 409 59.9% LGNET-AS-KR LG CNS AS4780 717 322 395 55.1% SEEDNET Digital United Inc. AS17676 525 148 377 71.8% GIGAINFRA BB TECHNOLOGY Corp. Total 39692 11448 28244 71.2% Top 30 total Possible Bogus Routes 24.75.160.0/19 AS7843 ADELPHIA-AS - Road Runner HoldCo LLC 24.142.40.0/21 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 24.142.160.0/19 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 24.245.128.0/17 AS11492 CABLEONE - CABLE ONE 24.246.0.0/17 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 24.246.128.0/18 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV - Wireless Broadband via Satellite 63.140.213.0/24 AS22555 UTC - Universal Talkware Corporation 63.143.71.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 63.143.115.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 63.143.251.0/24 AS22555 UTC - Universal Talkware Corporation 63.248.0.0/16 AS3356 LEVEL3 Level 3 Communications 64.7.112.0/21 AS6453 GLOBEINTERNET TATA Communications 64.7.120.0/21 AS6453 GLOBEINTERNET TATA Communications 64.50.128.0/18 AS4565 MEGAPATH2-US - MegaPath Networks Inc. 64.64.159.0/24 AS32004 BIG-ASN - Business Information Group, Inc. 64.144.0.0/15 AS4565 MEGAPATH2-US - MegaPath Networks Inc. 64.188.0.0/16 AS3356 LEVEL3 Level 3 Communications 66.11.32.0/20 AS6261 VISINET - Visionary Systems, Inc. 66.11.40.0/21 AS6261 VISINET - Visionary Systems, Inc. 66.54.91.0/24 AS30506 BLACKSUN-1 - Blacksun Technologies LLC 66.55.160.0/19 AS29994 66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION 66.199.32.0/20 AS10397 WISP-AS - Wispnet, LLC 66.206.32.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.33.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.34.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.35.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.40.0/22 AS174 COGENT Cogent/PSI 66.206.44.0/23 AS174 COGENT Cogent/PSI 66.206.47.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 66.207.32.0/20 AS23011 69.71.192.0/20 AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport 69.80.0.0/17 AS3043 AMPHIB-AS - Amphibian Media Corporation 80.88.0.0/21 AS33774 DJAWEB 80.88.8.0/22 AS33774 DJAWEB 80.88.10.0/24 AS33774 DJAWEB 80.88.12.0/24 AS33779 wataniya-telecom-as 91.200.192.128/25 AS44045 DIGIEF-AS Didjief internation kulinari koncept LLC 91.200.193.128/25 AS44045 DIGIEF-AS Didjief internation kulinari koncept LLC 91.200.194.128/25 AS44045 DIGIEF-AS Didjief internation kulinari koncept LLC 91.200.195.128/25 AS44045 DIGIEF-AS Didjief internation kulinari koncept LLC 91.208.176.0/24 AS35369 LAGIS-AS lagis Internet Serviceprovider GmbH 95.165.192.0/19 AS12479 UNI2-AS Uni2 Autonomous System 95.192.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 95.255.248.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 121.50.12.0/24 AS38236 121.50.13.0/24 AS38236 121.50.14.0/24 AS38236 121.50.15.0/24 AS38236 137.0.0.0/13 AS721 DISA-ASNBLK - DoD Network Information Center 151.135.0.0/16 AS4768 CLIX-NZ TelstraClear Ltd 159.3.211.0/24 AS2687 ASATTCA AT&T Global Network Services - AP 163.142.0.0/16 AS2500 WIDE-BB WIDE Project 166.63.0.0/16 AS33775 NITEL-AS 172.7.0.0/24 AS28175 172.10.1.0/30 AS18305 POSNET POSDATA Co.,Ltd 188.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 188.0.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 188.0.0.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 192.9.200.0/24 AS3602 AS3602-RTI - Rogers Telecom Inc. 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.40.105.0/24 AS12582 TSF-DATANET-NGD-AS TSF MPLS VPN Services 192.64.85.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network 192.69.107.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network 192.69.108.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network 192.69.177.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network 192.70.164.0/24 AS25689 NRCNET-AS - National Research Council of Canada 192.96.36.0/24 AS5713 SAIX-NET 192.96.37.0/24 AS10474 NETACTIVE 192.96.135.0/24 AS2018 TENET-1 192.96.136.0/23 AS2018 TENET-1 192.96.141.0/24 AS2018 TENET-1 192.96.143.0/24 AS2018 TENET-1 192.96.145.0/24 AS2018 TENET-1 192.96.177.0/24 AS6083 POSIX-AFRICA 192.101.45.0/24 AS2905 TICSA-ASN 192.101.46.0/24 AS6503 Avantel, S.A. 192.101.47.0/24 AS6503 Avantel, S.A. 192.101.64.0/21 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.70.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 192.101.71.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 192.101.72.0/24 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.73.0/24 AS4765 WORLDNET-AS World Net & Services Co., Ltd. 192.101.74.0/24 AS1239 SPRINTLINK - Sprint 192.122.212.0/24 AS209 ASN-QWEST - Qwest 192.124.248.0/23 AS680 DFN-IP service G-WiN 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.131.233.0/24 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 192.133.6.0/24 AS10282 EQUANT-CEEUR EQUANT AS for Central and Eastern Europe region 192.153.144.0/21 AS721 DISA-ASNBLK - DoD Network Information Center 192.154.32.0/19 AS81 NCREN - MCNC 192.188.208.0/20 AS721 DISA-ASNBLK - DoD Network Information Center 193.200.114.0/23 AS31530 SERVERCREW-AS Servercrew LTD Autonomes System 194.31.227.0/24 AS21461 TRANSFAIRNET Transfair-net GmbH Krefeld 194.246.72.0/23 AS8893 ARTFILES-AS Artfiles New Media GmbH 196.6.108.0/24 AS5713 SAIX-NET 196.10.119.0/24 AS2018 TENET-1 196.10.122.0/23 AS2018 TENET-1 196.10.251.0/24 AS2018 TENET-1 196.10.252.0/23 AS2018 TENET-1 196.10.254.0/24 AS2018 TENET-1 196.13.101.0/24 AS2018 TENET-1 196.13.102.0/23 AS2018 TENET-1 196.13.104.0/24 AS2018 TENET-1 196.13.121.0/24 AS2018 TENET-1 196.13.125.0/24 AS2018 TENET-1 196.13.126.0/24 AS2018 TENET-1 196.13.169.0/24 AS2018 TENET-1 196.13.174.0/23 AS2018 TENET-1 196.13.176.0/21 AS2018 TENET-1 196.13.192.0/22 AS2018 TENET-1 196.13.196.0/24 AS2018 TENET-1 196.201.98.0/24 AS29571 CITelecom-AS 196.216.132.0/24 AS9207 TAIDE-KE-NAIROBI Taide - Kenya POP 196.216.134.0/24 AS9207 TAIDE-KE-NAIROBI Taide - Kenya POP 198.23.26.0/24 AS4390 BELLATLANTIC-COM - Bell Atlantic, Inc. 198.54.82.0/24 AS2018 TENET-1 198.54.92.0/24 AS2018 TENET-1 198.54.222.0/24 AS2018 TENET-1 198.97.72.0/21 AS721 DISA-ASNBLK - DoD Network Information Center 198.97.80.0/20 AS721 DISA-ASNBLK - DoD Network Information Center 198.97.96.0/19 AS721 DISA-ASNBLK - DoD Network Information Center 198.97.240.0/20 AS721 DISA-ASNBLK - DoD Network Information Center 198.144.96.0/20 AS12185 198.161.87.0/24 AS6539 GT-BELL - Bell Canada 198.167.0.0/16 AS7456 INTERHOP - Interhop Network SERVICES Inc. 198.168.0.0/16 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 198.169.0.0/16 AS803 SASKTEL - Saskatchewan Telecommunications 198.180.198.0/24 AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services 199.9.128.0/17 AS668 ASN-ASNET-NET-AS - Defense Research and Engineering Network 199.10.0.0/16 AS721 DISA-ASNBLK - DoD Network Information Center 199.114.0.0/21 AS721 DISA-ASNBLK - DoD Network Information Center 199.114.128.0/18 AS721 DISA-ASNBLK - DoD Network Information Center 199.114.130.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.131.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.132.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.134.0/24 AS3541 ITSDN-U4 - DoD Network Information Center 199.114.136.0/24 AS27044 DDN-ASNBLK1 - DoD Network Information Center 199.114.138.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.140.0/24 AS3544 ITSDN-U7 - DoD Network Information Center 199.114.142.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.144.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.148.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.150.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.152.0/24 AS27033 DDN-ASNBLK1 - DoD Network Information Center 199.114.153.0/24 AS27034 DDN-ASNBLK1 - DoD Network Information Center 199.114.154.0/24 AS1733 CENTAF-SWA - 754th Electronic Systems Group 199.114.156.0/24 AS1733 CENTAF-SWA - 754th Electronic Systems Group 199.114.160.0/24 AS1733 CENTAF-SWA - 754th Electronic Systems Group 199.121.0.0/16 AS721 DISA-ASNBLK - DoD Network Information Center 199.123.0.0/18 AS721 DISA-ASNBLK - DoD Network Information Center 199.123.16.0/20 AS721 DISA-ASNBLK - DoD Network Information Center 199.123.80.0/21 AS721 DISA-ASNBLK - DoD Network Information Center 199.189.32.0/19 AS7332 IQUEST-AS - IQuest Internet 199.202.0.0/16 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 199.246.116.0/24 AS813 UUNET-CANADA - MCI Communications Services, Inc. d/b/a Verizon Business 202.58.113.0/24 AS19161 INNOCOM-TELECOM - INNOCOM TELECOM 202.73.144.0/20 AS4788 TMNET-AS-AP TM Net, Internet Service Provider 202.80.192.0/20 AS2706 HKSUPER-HK-AP Pacific Internet (Hong Kong) Limited 202.86.252.0/22 AS4748 RESOLINK-AS-AP Resources Link Network Limited 202.86.252.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.253.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.254.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.255.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.94.70.0/24 AS9837 POWERTEL-AP Powertel Ltd 202.124.195.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.124.207.0/24 AS17911 BRAINPK-AS-AP Brain Telecommunication Ltd. 202.136.254.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.136.255.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.164.100.0/24 AS18101 RIL-IDC Reliance Infocom Ltd Internet Data Centre, 202.176.228.0/24 AS17988 SINOSAT-AS-AP SINOSAT (HONG KONG) LIMITED 202.176.232.0/24 AS17988 SINOSAT-AS-AP SINOSAT (HONG KONG) LIMITED 202.181.32.0/24 AS4645 ASN-HKNET-AP HKNet Co. Ltd 203.12.45.0/24 AS4854 NETSPACE-AS-AP Netspace Online Systems 203.62.0.0/17 AS7575 AARNET-AS-AP Australian Academic and Reasearch Network (AARNet) 203.78.48.0/20 AS9299 IPG-AS-AP Philippine Long Distance Telephone Company 203.89.139.0/24 AS17911 BRAINPK-AS-AP Brain Telecommunication Ltd. 203.111.192.0/20 AS7473 SINGTEL-AS-AP Singapore Telecom 203.112.111.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.113.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.114.0/24 AS4802 ASN-IINET iiNet Limited 203.112.116.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.117.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.118.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.119.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.120.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.121.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.127.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.128.128.0/19 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 203.128.128.0/24 AS23849 CNNIC-NET263-AP Beijing Capital-online science development Co.,Ltd. 203.160.110.0/23 AS7643 VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 204.9.216.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 204.9.217.0/24 AS4323 TWTC - tw telecom holdings, inc. 204.9.218.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 204.13.140.0/22 AS7270 NET2PHONE - Net2Phone Corp. 204.16.120.0/23 AS12077 204.16.122.0/23 AS12077 204.19.14.0/23 AS577 BACOM - Bell Canada 204.48.58.0/24 AS4323 TWTC - tw telecom holdings, inc. 204.48.60.0/24 AS4323 TWTC - tw telecom holdings, inc. 204.154.125.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc. 205.144.160.0/20 AS7296 ALCHEMYNET - Alchemy Communications, Inc. 205.150.0.0/15 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 206.162.224.0/19 AS23464 ILCSNET - Interlink Computer Services 206.180.240.0/20 AS12083 KNOLOGY-NET - Knology Holdings 206.220.240.0/24 AS10764 STARTAP - National Center for Supercomputing Applications 206.220.240.64/26 AS22335 MREN - Metropolitan Research and Education Network 206.220.240.128/25 AS10764 STARTAP - National Center for Supercomputing Applications 206.220.240.220/32 AS10764 STARTAP - National Center for Supercomputing Applications 206.220.241.0/24 AS10764 STARTAP - National Center for Supercomputing Applications 207.98.209.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 207.98.223.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 207.191.128.0/19 AS10887 BPSI-AS - BPSI Internet Services 207.204.168.0/24 AS15150 BELLTECH-AS - BELLWETHER TECHNOLOGY CORPORATION 207.204.222.0/24 AS22773 CCINET-2 - Cox Communications Inc. 207.231.96.0/19 AS11194 NUNETPA - NuNet Inc. 208.38.192.0/21 AS14237 BEAMSPEED1 - Beamspeed 208.38.202.0/24 AS14237 BEAMSPEED1 - Beamspeed 208.38.203.0/24 AS14237 BEAMSPEED1 - Beamspeed 208.38.204.0/22 AS14237 BEAMSPEED1 - Beamspeed 209.54.93.0/24 AS22773 CCINET-2 - Cox Communications Inc. 209.54.111.0/24 AS22773 CCINET-2 - Cox Communications Inc. 209.54.123.0/24 AS6062 NETPLEX - NETPLEX 209.54.240.0/21 AS10887 BPSI-AS - BPSI Internet Services 209.105.224.0/19 AS20074 209.140.90.0/24 AS14461 NTSL - NET SOLUTIONS 209.140.224.0/21 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.234.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.235.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.236.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.237.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.238.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.239.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.141.16.0/21 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.141.48.0/22 AS14461 NTSL - NET SOLUTIONS 209.145.192.0/18 AS3043 AMPHIB-AS - Amphibian Media Corporation 210.5.128.0/20 AS4837 CHINA169-BACKBONE CNCGROUP China169 Backbone 216.37.114.0/23 AS3549 GBLX Global Crossing Ltd. 216.37.120.0/23 AS13377 216.59.0.0/17 AS3356 LEVEL3 Level 3 Communications 216.99.16.0/24 AS6395 LVLT-6395 - Level 3 Communications, Inc. 216.99.20.0/24 AS6395 LVLT-6395 - Level 3 Communications, Inc. 216.127.124.0/23 AS2828 XO-AS15 - XO Communications 216.162.96.0/19 AS7393 CYBERCON - CYBERCON, INC. 216.172.198.0/24 AS22773 CCINET-2 - Cox Communications Inc. 216.172.199.0/24 AS22773 CCINET-2 - Cox Communications Inc. 216.176.22.0/24 AS20299 Newcom Limited 216.210.86.0/24 AS577 BACOM - Bell Canada 216.229.51.0/24 AS15211 216.240.240.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 216.240.241.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 216.240.242.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 216.251.207.0/24 AS1239 SPRINTLINK - Sprint 217.78.71.0/24 AS12491 IPPLANET-AS IPPlanet 217.78.72.0/24 AS12491 IPPLANET-AS IPPlanet 217.78.73.0/24 AS12491 IPPLANET-AS IPPlanet Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

1 0

Re: cooling door
by Brian Dickson 29 Aug '08

29 Aug '08

Paul Vixie wrote: > if you find me 300Ksqft along the caltrain fiber corridor in the peninsula > where i can get 10mW of power and have enough land around it for 10mW worth > of genset, and the price per sqft is low enough that i can charge by the > watt and floor space be damned and still come out even or ahead, then please > do send me the address. Well, there are alternatives to the 10mW power and 10mW genset... 10-20mW (or more) of nuclear power/gensets. Get off the grid, sell back some power to the grid, reduce your costs for power, especially peak rate power, and be able to brag about having your own nuke plant. This may give you more flexibility in finding the space along the fibre corridor... BTW, I did some quick googling and found a few interesting links related to smaller nuclear generator systems: http://peswiki.com/index.php/Directory:Toshiba's_Micro_Nuclear_Reactor http://www.eia.doe.gov/cneaf/nuclear/page/analysis/nucenviss2.html http://www.eoearth.org/article/Small_nuclear_power_reactors http://www.uic.com.au/nip60.htm And if you have access to a deep harbor: http://atomic.msco.ru/cgi-bin/common.cgi?lang=eng&skin=menu1&fn=projects :-) Brian

6 9

Generic network agreement template
by Frank Bulk 29 Aug '08

29 Aug '08

I need to supply a network agreement to a friendly customer so that they can obtain an ASN from ARIN. Some of you will mutter that we should have executed one already, but we still shake on things around here. Does anyone have a simple, even one-page template of a network agreement that they can share? Please e-mail me offline. Thanks, Frank

1 0

Re: IP Fragmentation
by Fernando Gont 28 Aug '08

28 Aug '08

At 08:44 p.m. 28/08/2008, Glen Kent wrote: >I understand that routers usually must send this error only when a >fragmentation is required and they recieve a packet with DF bit set. >However, in this case this router would drop the packet (for it doesnt >support fragmentation) and sending an ICMP error back to the host, >warning it that its packets will get dropped seems to be a better >option. > >OTOH, what do most of the implementations do if they send a regular IP >packet and receive an ICMP dest unreachable - Fragmentation reqd >message back? Do they fragment this packet and then send it out, or >this message is silently ignored? You may want to have a look at this IETF I-D: http://www.gont.com.ar/drafts/icmp-attacks/draft-ietf-tcpm-icmp-attacks-03.…. The PMTUD modification described in the draft ships (at least) in OpenBSD and NetBSD. Thanks! Kind regards, -- Fernando Gont e-mail: fernando(a)gont.com.ar || fgont(a)acm.org PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1

1 0