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@lists.apnic.net If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 29 Oct, 2005 Analysis Summary ---------------- BGP routing table entries examined: 173110 Prefixes after maximum aggregation: 98260 Unique aggregates announced to Internet: 84203 Total ASes present in the Internet Routing Table: 20761 Origin-only ASes present in the Internet Routing Table: 18044 Origin ASes announcing only one prefix: 8555 Transit ASes present in the Internet Routing Table: 2717 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 24 Prefixes from unregistered ASNs in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1453677824 Equivalent to 86 /8s, 165 /16s and 93 /24s Percentage of available address space announced: 39.2 Percentage of allocated address space announced: 59.1 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 82686 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 36125 Total APNIC prefixes after maximum aggregation: 15808 Prefixes being announced from the APNIC address blocks: 33872 Unique aggregates announced from the APNIC address blocks: 16789 APNIC Region origin ASes present in the Internet Routing Table: 2394 APNIC Region origin ASes announcing only one prefix: 699 APNIC Region transit ASes present in the Internet Routing Table: 367 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 204551040 Equivalent to 12 /8s, 49 /16s and 51 /24s Percentage of available APNIC address space announced: 75.9 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 91735 Total ARIN prefixes after maximum aggregation: 55566 Prefixes being announced from the ARIN address blocks: 71729 Unique aggregates announced from the ARIN address blocks: 27225 ARIN Region origin ASes present in the Internet Routing Table: 10278 ARIN Region origin ASes announcing only one prefix: 3793 ARIN Region transit ASes present in the Internet Routing Table: 962 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 273430784 Equivalent to 16 /8s, 76 /16s and 57 /24s Percentage of available ARIN address space announced: 67.9 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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 33705 Total RIPE prefixes after maximum aggregation: 22809 Prefixes being announced from the RIPE address blocks: 30719 Unique aggregates announced from the RIPE address blocks: 20510 RIPE Region origin ASes present in the Internet Routing Table: 7238 RIPE Region origin ASes announcing only one prefix: 3814 RIPE Region transit ASes present in the Internet Routing Table: 1205 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 221577408 Equivalent to 13 /8s, 53 /16s and 0 /24s Percentage of available RIPE address space announced: 66.0 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 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 9736 Total LACNIC prefixes after maximum aggregation: 3255 Prefixes being announced from the LACNIC address blocks: 8055 Unique aggregates announced from the LACNIC address blocks: 4652 LACNIC Region origin ASes present in the Internet Routing Table: 645 LACNIC Region origin ASes announcing only one prefix: 207 LACNIC Region transit ASes present in the Internet Routing Table: 123 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 22399744 Equivalent to 1 /8s, 85 /16s and 203 /24s Percentage of available LACNIC address space announced: 33.4 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 1793 Total AfriNIC prefixes after maximum aggregation: 822 Prefixes being announced from the AfriNIC address blocks: 1122 Unique aggregates announced from the AfriNIC address blocks: 825 AfriNIC Region origin ASes present in the Internet Routing Table: 140 AfriNIC Region origin ASes announcing only one prefix: 42 AfriNIC Region transit ASes present in the Internet Routing Table: 19 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2847488 Equivalent to 0 /8s, 43 /16s and 115 /24s Percentage of available AfriNIC address space announced: 8.5 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 4134 1018 6318 214 CHINANET-BACKBONE 9583 817 77 12 Sify Limited 1221 753 1327 516 Telstra Pty Ltd 4755 743 259 67 Videsh Sanchar Nigam Ltd. Aut 4766 623 3927 291 Korea Telecom (KIX) 7545 512 108 71 TPG Internet Pty Ltd 17676 470 6819 100 Softbank BB Corp. 9443 392 87 78 Primus Telecommunications 9498 387 211 58 BHARTI BT INTERNET LTD. 17488 366 22 10 Hathway IP Over Cable Interne 2907 339 1763 316 SINET Japan 17557 332 24 164 Pakistan Telecom 7474 331 258 227 SingTel Optus Pty Ltd 4802 329 72 154 Wantree Development 9929 327 216 45 China Netcom Corp. 18302 294 109 171 SK Global co., Ltd 9837 275 79 176 Powertel Ltd 17974 274 65 16 PT TELEKOMUNIKASI INDONESIA 18101 266 68 19 Reliance Infocom Ltd Internet 703 254 259 210 UUNET - Commercial IP service ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1481 6324 972 AT&T WorldNet Services 4323 1188 705 232 Time Warner Telecom 721 1075 21938 308 DLA Systems Automation Center 174 1052 5847 991 Cogent Communications 701 997 8152 838 UUNET Technologies, Inc. 6197 946 401 488 BellSouth Network Solutions, 2386 920 545 687 AT&T Data Communications Serv 18566 866 240 7 Covad Communications 1239 850 2851 597 Sprint 209 643 3571 508 Qwest 20115 633 515 334 Charter Communications 3602 582 131 109 Sprint Canada, Inc. 19916 563 49 54 OLM LLC 22773 546 1352 27 Cox Communications, Inc. 3356 527 10637 403 Level 3 Communications, LLC 19262 520 1511 139 Verizon Global Networks 5668 484 147 23 CenturyTel Internet Holdings, 3561 476 2409 403 Savvis 7132 467 5092 399 SBC Internet Services 6198 458 576 209 BellSouth Network Solutions, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 605 1960 477 UUNET - Commercial IP service 3301 305 1085 291 TeliaNet Sweden 3320 286 3231 241 Deutsche Telekom AG 8220 270 475 265 COLT Telecommunications 680 244 2040 239 DFN-IP service G-WiN 8708 238 274 223 Romania Data Systems S.A. 3246 227 475 220 Song Networks 6746 196 51 168 Dynamic Network Technologies, 1257 190 712 168 SWIPnet Swedish IP Network 5515 182 840 128 Sonera Solution Autonomous Sy 3269 181 1734 69 TELECOM ITALIA 786 175 1795 175 The JANET IP Service 5400 174 318 144 BT Ignite European Backbone 6830 161 669 33 UPC Distribution Services 3300 160 170 92 AUCS Communications Services 8866 160 37 9 Bulgarian Telecommunication C 25186 151 227 106 France Telecom Transpac's Tra 3215 143 1237 78 France Telecom Transpac 24863 142 37 6 LINKdotNET AS number 3352 137 1384 33 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 385 641 166 UniNet S.A. de C.V. 16814 297 18 7 NSS, S.A. 11172 279 88 68 Servicios Alestra S.A de C.V 11664 199 22 13 Keytech SA 19632 196 14 5 Metropolis Intercom S.A. 14117 184 11 6 Telefonica del Sur S.A. 22047 170 128 7 VTR PUNTO NET S.A. 6147 163 118 21 Telefonica Del Peru 7303 143 68 20 Telecom Argentina Stet-France 11556 133 64 3 Cable-Wireless Panama 19169 123 8 25 Telconet 6505 121 89 85 Global One Communicaoes Ltda 10481 121 48 8 Prima S.A. 13999 119 52 9 Mega Cable S.A. de C.V. 18822 112 7 13 TELEFONICA MANQUEHUE 5639 111 12 9 Telecommunications Services o 21826 111 14 19 INTERCABLE 6503 108 147 75 AVANTEL, S.A. 11311 99 8 10 Sinectis S.A. 23216 91 23 12 RAMtelecom Telecomunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 269 708 227 The Internet Solution 8452 132 44 7 TEDATA 5536 123 8 12 Internet Egypt Network 2018 94 295 85 Tertiary Education Network 15475 82 84 4 Nile Online 2905 78 211 71 The Internetworking Company o 6713 71 71 10 Itissalat Al-MAGHRIB 20928 61 16 2 Noor Advanced Technologies AS 24835 58 34 6 RAYA Telecom - Egypt 5713 37 149 33 Telkom SA Ltd 12455 35 6 3 Jambonet Autonomous system 33774 32 3 22 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 16637 24 10 21 Johnnic e-Ventures 8524 23 1 4 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 23889 19 5 9 MAURITIUS TELECOM 12258 17 3 11 Vodacom Internet Company 15804 17 2 1 AS of The Way Out Internet So Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1188 956 Time Warner Telecom 18566 866 859 Covad Communications 9583 817 805 Sify Limited 4134 1018 804 CHINANET-BACKBONE 721 1075 767 DLA Systems Automation Center 4755 743 676 Videsh Sanchar Nigam Ltd. Aut 22773 546 519 Cox Communications, Inc. 19916 563 509 OLM LLC 3602 582 473 Sprint Canada, Inc. 5668 484 461 CenturyTel Internet Holdings, 6197 946 458 BellSouth Network Solutions, 7545 512 441 TPG Internet Pty Ltd 19262 520 381 Verizon Global Networks 17676 470 370 Softbank BB Corp. 17488 366 356 Hathway IP Over Cable Interne 11492 364 353 Cable One 812 368 343 Rogers WAVE 6467 385 337 E.Spire Communications, Inc. 4766 623 332 Korea Telecom (KIX) 9498 387 329 BHARTI BT INTERNET LTD. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65003 PRIVATE 57.250.244.0/24 13879 SITA-EQUANT 65002 PRIVATE 64.119.148.0/22 19406 Towerstream 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati 65001 PRIVATE 69.177.73.128/27 8002 Stealth Communicatio 64643 PRIVATE 140.253.192.0/20 24434 James Cook Universit 65205 PRIVATE 152.163.5.0/24 2056 America Online 64512 PRIVATE 170.51.242.0/24 19037 CTI Compania de Tele 65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate 65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp. Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 192.43.230.0/24 7575 Australian Academic and Rease 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.172.0.0/19 721 DLA Systems Automation Center Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:5 /10:8 /11:18 /12:79 /13:183 /14:337 /15:654 /16:8596 /17:2857 /18:4800 /19:10908 /20:11996 /21:10056 /22:13291 /23:14297 /24:94093 /25:329 /26:280 /27:191 /28:33 /29:10 /30:38 /31:3 /32:30 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 850 866 Covad Communications 6197 772 946 BellSouth Network Solutions, 7018 720 1481 AT&T WorldNet Services 9583 640 817 Sify Limited 2386 632 920 AT&T Data Communications Serv 4323 566 1188 Time Warner Telecom 19916 557 563 OLM LLC 4766 429 623 Korea Telecom (KIX) 5668 389 484 CenturyTel Internet Holdings, 702 383 605 UUNET - Commercial IP service 7011 383 443 Citizens Utilities 1239 361 850 Sprint 11492 356 364 Cable One 6517 323 349 Yipes Communications, Inc. 6198 322 458 BellSouth Network Solutions, 15270 316 343 PaeTec.net -a division of Pae 13609 288 329 Choice One Communications Inc 701 282 997 UUNET Technologies, Inc. 18302 279 294 SK Global co., Ltd 22773 278 546 Cox Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:27 12:1604 13:1 15:11 16:3 17:3 18:3 20:41 24:575 30:2 32:68 38:166 40:54 44:3 47:2 52:4 55:1 56:3 57:36 58:97 59:92 60:147 61:792 62:791 63:1890 64:2963 65:2113 66:2963 67:645 68:650 69:1282 70:213 71:33 72:416 80:642 81:588 82:515 83:308 84:307 85:368 86:144 87:62 125:26 128:162 129:168 130:98 131:296 132:36 133:1 134:148 135:40 136:162 137:67 138:166 139:68 140:471 141:141 142:148 143:142 144:220 145:34 146:298 147:131 148:269 149:198 150:108 151:68 152:112 153:93 154:5 155:142 156:78 157:112 158:150 159:176 160:87 161:76 162:236 163:147 164:191 165:187 166:155 167:255 168:449 169:142 170:312 171:12 190:1 192:5739 193:3325 194:2434 195:1572 196:701 198:3909 199:3252 200:4235 201:411 202:6201 203:6518 204:3830 205:2035 206:2445 207:2845 208:2008 209:3441 210:1705 211:837 212:1248 213:1346 214:312 215:42 216:3847 217:1151 218:218 219:131 220:509 221:298 222:133 End of report