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 For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 05 May, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/05/05/0400 Analysis Summary ---------------- BGP routing table entries examined: 219628 Prefixes after maximum aggregation: 116935 Deaggregation factor: 1.88 Unique aggregates announced to Internet: 106618 Total ASes present in the Internet Routing Table: 25093 Prefixes per ASN: 8.75 Origin-only ASes present in the Internet Routing Table: 21855 Origin ASes announcing only one prefix: 10575 Transit ASes present in the Internet Routing Table: 3238 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 21 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 6 Unregistered ASNs in the Routing Table: 7 Prefixes from 32-bit ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1715790016 Equivalent to 102 /8s, 68 /16s and 224 /24s Percentage of available address space announced: 46.3 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 73.7 Total number of prefixes smaller than registry allocations: 114921 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 50596 Total APNIC prefixes after maximum aggregation: 20195 APNIC Deaggregation factor: 2.51 Prefixes being announced from the APNIC address blocks: 47584 Unique aggregates announced from the APNIC address blocks: 21230 APNIC Region origin ASes present in the Internet Routing Table: 2933 APNIC Prefixes per ASN: 16.22 APNIC Region origin ASes announcing only one prefix: 788 APNIC Region transit ASes present in the Internet Routing Table: 440 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 292731328 Equivalent to 17 /8s, 114 /16s and 185 /24s Percentage of available APNIC address space announced: 72.5 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, 116/6, 120/6, 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: 106199 Total ARIN prefixes after maximum aggregation: 61978 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 78168 Unique aggregates announced from the ARIN address blocks: 30453 ARIN Region origin ASes present in the Internet Routing Table: 11538 ARIN Prefixes per ASN: 6.77 ARIN Region origin ASes announcing only one prefix: 4425 ARIN Region transit ASes present in the Internet Routing Table: 1056 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 331984768 Equivalent to 19 /8s, 201 /16s and 175 /24s Percentage of available ARIN address space announced: 73.3 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 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 45303 Total RIPE prefixes after maximum aggregation: 29640 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 41854 Unique aggregates announced from the RIPE address blocks: 27995 RIPE Region origin ASes present in the Internet Routing Table: 9570 RIPE Prefixes per ASN: 4.37 RIPE Region origin ASes announcing only one prefix: 5051 RIPE Region transit ASes present in the Internet Routing Table: 1534 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 304882816 Equivalent to 18 /8s, 44 /16s and 36 /24s Percentage of available RIPE address space announced: 75.7 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 40960-44031 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 14941 Total LACNIC prefixes after maximum aggregation: 4105 LACNIC Deaggregation factor: 3.64 Prefixes being announced from the LACNIC address blocks: 13030 Unique aggregates announced from the LACNIC address blocks: 7169 LACNIC Region origin ASes present in the Internet Routing Table: 785 LACNIC Prefixes per ASN: 16.60 LACNIC Region origin ASes announcing only one prefix: 254 LACNIC Region transit ASes present in the Internet Routing Table: 140 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 38440704 Equivalent to 2 /8s, 74 /16s and 143 /24s Percentage of available LACNIC address space announced: 57.3 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: 2579 Total AfriNIC prefixes after maximum aggregation: 1007 AfriNIC Deaggregation factor: 2.56 Prefixes being announced from the AfriNIC address blocks: 1959 Unique aggregates announced from the AfriNIC address blocks: 1193 AfriNIC Region origin ASes present in the Internet Routing Table: 189 AfriNIC Prefixes per ASN: 10.37 AfriNIC Region origin ASes announcing only one prefix: 57 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6070016 Equivalent to 0 /8s, 92 /16s and 159 /24s Percentage of available AfriNIC address space announced: 18.1 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 1282 9603 274 CHINANET-BACKBONE 4755 1205 383 72 Videsh Sanchar Nigam Ltd. Aut 9583 1108 79 381 Sify Limited 9498 974 469 73 BHARTI BT INTERNET LTD. 4766 784 4943 312 Korea Telecom (KIX) 23577 778 35 706 Korea Telecom (ATM-MPLS) 17488 672 44 34 Hathway IP Over Cable Interne 7545 627 142 80 TPG Internet Pty Ltd 1221 543 1954 421 Telstra Pty Ltd 18101 534 116 27 Reliance Infocom Ltd Internet 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 4812 465 799 75 China Telecom (Shanghai) 9443 453 115 74 Primus Telecommunications 7474 411 217 268 SingTel Optus Pty Ltd 4802 359 86 148 Wantree Development 17557 359 35 170 Pakistan Telecom 9829 354 273 10 BSNL National Internet Backbo 4837 346 4725 160 chinanet IDC center beijing n 17974 344 129 12 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1495 6134 986 AT&T WorldNet Services 4323 1263 1023 361 Time Warner Telecom 2386 1136 580 754 AT&T Data Communications Serv 6478 1091 337 133 AT&T Worldnet Services 11492 1049 103 20 Cable One 6197 1034 688 503 BellSouth Network Solutions, 18566 1001 288 9 Covad Communications 174 968 6793 877 Cogent Communications 701 958 6660 731 UUNET Technologies, Inc. 20115 824 738 431 Charter Communications 1239 819 2717 580 Sprint 7011 790 226 471 Citizens Utilities 19262 769 2596 208 Verizon Global Networks 209 731 3862 584 Qwest 22773 710 1872 42 Cox Communications, Inc. 721 601 21739 270 DLA Systems Automation Center 5668 598 160 17 CenturyTel Internet Holdings, 852 589 1096 371 Telus Advanced Communications 7029 582 456 81 Alltel Information Services, 855 568 253 71 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 522 1941 416 UUNET - Commercial IP service 24863 344 47 30 LINKdotNET AS number 3301 310 1455 290 TeliaNet Sweden 3320 302 4993 250 Deutsche Telekom AG 6746 275 128 252 Dynamic Network Technologies, 8220 259 461 250 COLT Telecommunications 680 257 2044 250 DFN-IP service G-WiN 3215 240 2256 92 France Telecom Transpac 8708 236 287 229 Romania Data Systems S.A. 3352 224 1799 33 Ibernet, Internet Access Netw 3269 214 2583 73 TELECOM ITALIA 3246 208 340 198 Song Networks 8551 206 196 30 Bezeq International 30890 205 17 95 SC Kappa Invexim SRL 20858 196 34 4 EgyNet 1257 190 1180 168 SWIPnet Swedish IP Network 9116 189 134 24 Goldenlines main autonomous s 3300 185 171 90 AUCS Communications Services 12479 185 578 6 Uni2 Autonomous System 786 177 1795 177 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1179 1869 210 UniNet S.A. de C.V. 11830 483 299 19 Instituto Costarricense de El 11172 364 116 63 Servicios Alestra S.A de C.V 16814 362 22 8 NSS, S.A. 22047 310 238 12 VTR PUNTO NET S.A. 7303 273 143 28 Telecom Argentina Stet-France 6471 259 74 31 ENTEL CHILE S.A. 14117 242 17 14 Telefonica del Sur S.A. 11556 235 128 3 Cable-Wireless Panama 6147 221 166 25 Telefonica Del Peru 6503 215 172 86 AVANTEL, S.A. 20299 192 23 14 NEWCOM AMERICAS 10620 185 53 23 TVCABLE BOGOTA 10481 181 72 8 Prima S.A. 23216 157 19 42 RAMtelecom Telecomunicaciones 14522 155 25 7 SatNet S.A. 21826 155 27 59 INTERCABLE 7910 154 11 29 ANDINET ON LINE 19429 151 93 41 E.T.B. 19169 143 9 26 Telconet AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 291 868 232 The Internet Solution 8452 228 188 7 TEDATA 6713 143 135 11 Itissalat Al-MAGHRIB 2018 137 309 112 Tertiary Education Network 15475 129 84 4 Nile Online 5536 123 8 15 Internet Egypt Network 33783 119 8 9 EEPAD TISP TELECOM & INTERNET 24835 85 48 6 RAYA Telecom - Egypt 2905 81 174 73 The Internetworking Company o 2561 55 6 2 Egyptian Universities Network 15706 51 12 4 Sudatel Internet Exchange Aut 23889 49 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 43 13 24 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 33776 31 2 6 Starcomms Nigeria Limited 8524 30 2 6 AUCEGYPT Autonomous System 21280 29 4 4 Swift Global Kenya Ltd.Is an 33766 29 2 1 Nyala Communications Pty Ltd 12455 25 6 3 Jambonet Autonomous system Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1205 1133 Videsh Sanchar Nigam Ltd. Aut 11492 1049 1029 Cable One 4134 1282 1008 CHINANET-BACKBONE 18566 1001 992 Covad Communications 8151 1179 969 UniNet S.A. de C.V. 6478 1091 958 AT&T Worldnet Services 4323 1263 902 Time Warner Telecom 9498 974 901 BHARTI BT INTERNET LTD. 9583 1108 727 Sify Limited 22773 710 668 Cox Communications, Inc. 17488 672 638 Hathway IP Over Cable Interne 5668 598 581 CenturyTel Internet Holdings, 19262 769 561 Verizon Global Networks 7545 627 547 TPG Internet Pty Ltd 6197 1034 531 BellSouth Network Solutions, 19916 568 517 OLM LLC 18101 534 507 Reliance Infocom Ltd Internet 7029 582 501 Alltel Information Services, 855 568 497 Canadian Research Network 4668 507 497 LG-EDS Systems Inc. List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global 64858 PRIVATE 84.36.180.0/24 20858 EgyNet 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 65534 PRIVATE 203.222.150.0/24 4817 Techex Primary Netbl 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 2.0.0.0/24 41856 Flagmanskaya Sluzhba Svyazi 7.1.1.0/24 1239 Sprint 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 172.33.1.0/24 7018 AT&T WorldNet Services 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 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 192.153.136.0/21 721 DLA Systems Automation Center 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 /8:19 /9:9 /10:13 /11:34 /12:123 /13:238 /14:450 /15:862 /16:9372 /17:3837 /18:6368 /19:13452 /20:15279 /21:13824 /22:17896 /23:19200 /24:116510 /25:759 /26:818 /27:491 /28:59 /29:6 /30:1 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1082 1091 AT&T Worldnet Services 11492 1035 1049 Cable One 18566 983 1001 Covad Communications 9583 946 1108 Sify Limited 2386 832 1136 AT&T Data Communications Serv 7018 807 1495 AT&T WorldNet Services 6197 795 1034 BellSouth Network Solutions, 23577 764 778 Korea Telecom (ATM-MPLS) 7011 693 790 Citizens Utilities 9498 638 974 BHARTI BT INTERNET LTD. 4755 600 1205 Videsh Sanchar Nigam Ltd. Aut 4766 590 784 Korea Telecom (KIX) 19916 563 568 OLM LLC 8151 557 1179 UniNet S.A. de C.V. 4323 522 1263 Time Warner Telecom 4668 496 507 LG-EDS Systems Inc. 15270 495 528 PaeTec.net -a division of Pae 17488 493 672 Hathway IP Over Cable Interne 855 466 568 Canadian Research Network 5668 463 598 CenturyTel Internet Holdings, Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:9 7:1 8:73 9:1 12:1805 15:19 16:3 17:3 18:8 20:37 24:927 25:1 32:53 38:306 40:60 41:127 44:2 47:4 52:4 55:2 56:3 57:26 58:391 59:371 60:272 61:930 62:970 63:1972 64:3073 65:2363 66:3261 67:806 68:636 69:1829 70:499 71:104 72:1314 73:1 74:414 75:258 76:45 77:145 80:858 81:805 82:600 83:373 84:435 85:750 86:360 87:464 88:264 89:851 90:7 91:272 97:6 116:55 121:175 122:520 123:97 124:798 125:926 128:278 129:219 130:123 131:347 132:52 133:11 134:193 135:39 136:183 137:78 138:197 139:65 140:477 141:164 142:371 143:234 144:289 145:43 146:323 147:145 148:400 149:142 150:116 151:158 152:92 153:120 154:4 155:252 156:155 157:185 158:160 159:156 160:105 161:89 162:234 163:176 164:452 165:405 166:234 167:279 168:491 169:118 170:400 171:16 172:1 189:396 190:600 192:5760 193:3806 194:3107 195:2213 196:951 198:3753 199:3300 200:4763 201:979 202:7240 203:7464 204:3953 205:2088 206:2358 207:2880 208:2665 209:3606 210:2478 211:937 212:1312 213:1460 214:408 215:41 216:3999 217:1139 218:356 219:356 220:949 221:408 222:269 End of report