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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Sep 21 20:03:18 CEST 2007
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 at lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 22 Sep, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/09/22/0400 Analysis Summary ---------------- BGP routing table entries examined: 231986 Prefixes after maximum aggregation: 120745 Deaggregation factor: 1.92 Unique aggregates announced to Internet: 112862 Total ASes present in the Internet Routing Table: 26255 Prefixes per ASN: 8.84 Origin-only ASes present in the Internet Routing Table: 22860 Origin ASes announcing only one prefix: 11131 Transit ASes present in the Internet Routing Table: 3395 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 21 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 5 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: 11 Number of addresses announced to Internet: 1783351136 Equivalent to 106 /8s, 75 /16s and 199 /24s Percentage of available address space announced: 48.1 Percentage of allocated address space announced: 63.0 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 123343 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 54231 Total APNIC prefixes after maximum aggregation: 20944 APNIC Deaggregation factor: 2.59 Prefixes being announced from the APNIC address blocks: 51145 Unique aggregates announced from the APNIC address blocks: 22753 APNIC Region origin ASes present in the Internet Routing Table: 3057 APNIC Prefixes per ASN: 16.73 APNIC Region origin ASes announcing only one prefix: 808 APNIC Region transit ASes present in the Internet Routing Table: 470 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 318780832 Equivalent to 19 /8s, 0 /16s and 53 /24s Percentage of available APNIC address space announced: 79.0 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: 109463 Total ARIN prefixes after maximum aggregation: 63160 ARIN Deaggregation factor: 1.73 Prefixes being announced from the ARIN address blocks: 80732 Unique aggregates announced from the ARIN address blocks: 32052 ARIN Region origin ASes present in the Internet Routing Table: 11836 ARIN Prefixes per ASN: 6.82 ARIN Region origin ASes announcing only one prefix: 4535 ARIN Region transit ASes present in the Internet Routing Table: 1088 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 345744512 Equivalent to 20 /8s, 155 /16s and 164 /24s Percentage of available ARIN address space announced: 76.3 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: 48640 Total RIPE prefixes after maximum aggregation: 31137 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 45021 Unique aggregates announced from the RIPE address blocks: 29840 RIPE Region origin ASes present in the Internet Routing Table: 10213 RIPE Prefixes per ASN: 4.41 RIPE Region origin ASes announcing only one prefix: 5444 RIPE Region transit ASes present in the Internet Routing Table: 1621 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 327550592 Equivalent to 19 /8s, 134 /16s and 6 /24s Percentage of available RIPE address space announced: 75.1 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 RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 16943 Total LACNIC prefixes after maximum aggregation: 4466 LACNIC Deaggregation factor: 3.79 Prefixes being announced from the LACNIC address blocks: 15047 Unique aggregates announced from the LACNIC address blocks: 8004 LACNIC Region origin ASes present in the Internet Routing Table: 867 LACNIC Prefixes per ASN: 17.36 LACNIC Region origin ASes announcing only one prefix: 277 LACNIC Region transit ASes present in the Internet Routing Table: 148 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 42459136 Equivalent to 2 /8s, 135 /16s and 224 /24s Percentage of available LACNIC address space announced: 63.3 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: 2700 Total AfriNIC prefixes after maximum aggregation: 1024 AfriNIC Deaggregation factor: 2.64 Prefixes being announced from the AfriNIC address blocks: 2288 Unique aggregates announced from the AfriNIC address blocks: 1361 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 11.16 AfriNIC Region origin ASes announcing only one prefix: 67 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7458304 Equivalent to 0 /8s, 113 /16s and 206 /24s Percentage of available AfriNIC address space announced: 22.2 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 1349 383 69 Videsh Sanchar Nigam Ltd. Aut 9583 1127 81 405 Sify Limited 4134 1077 11219 292 CHINANET-BACKBONE 9498 1007 532 65 BHARTI BT INTERNET LTD. 17488 810 53 59 Hathway IP Over Cable Interne 4766 809 5441 321 Korea Telecom (KIX) 23577 785 34 681 Korea Telecom (ATM-MPLS) 7545 724 159 120 TPG Internet Pty Ltd 18101 598 119 50 Reliance Infocom Ltd Internet 4812 547 974 94 China Telecom (Shanghai) 1221 538 1950 419 Telstra Pty Ltd 9829 530 1312 9 BSNL National Internet Backbo 4668 517 68 10 LG-EDS Systems Inc. 17676 502 10903 63 Softbank BB Corp. 4808 491 781 118 CNCGROUP IP network: China169 9443 467 122 77 Primus Telecommunications 4802 441 133 154 Wantree Development 7474 382 218 270 SingTel Optus Pty Ltd 17974 363 130 13 PT TELEKOMUNIKASI INDONESIA 4837 356 5120 168 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1479 6122 999 AT&T WorldNet Services 4323 1343 990 370 Time Warner Telecom 2386 1216 635 730 AT&T Data Communications Serv 11492 1149 112 15 Cable One 6478 1129 328 134 AT&T Worldnet Services 6197 1032 718 508 BellSouth Network Solutions, 18566 1027 288 9 Covad Communications 174 967 6780 856 Cogent Communications 7011 940 285 558 Citizens Utilities 701 877 6574 683 UUNET Technologies, Inc. 20115 823 755 440 Charter Communications 1239 803 2720 565 Sprint 19262 778 2758 190 Verizon Global Networks 22773 771 2148 50 Cox Communications, Inc. 209 742 3834 586 Qwest 3356 659 10820 367 Level 3 Communications, LLC 5668 656 176 23 CenturyTel Internet Holdings, 6517 592 165 36 Yipes Communications, Inc. 852 584 1112 363 Telus Advanced Communications 15270 579 160 38 PaeTec.net -a division of Pae RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 493 1923 395 UUNET - Commercial IP service 24863 369 57 39 LINKdotNET AS number 9116 346 168 27 Goldenlines main autonomous s 3301 319 1457 296 TeliaNet Sweden 3320 314 6035 261 Deutsche Telekom AG 8551 297 284 38 Bezeq International 6746 290 131 266 Dynamic Network Technologies, 680 269 2045 257 DFN-IP service G-WiN 8708 263 421 242 Romania Data Systems S.A. 3215 261 2456 98 France Telecom Transpac 8220 256 444 239 COLT Telecommunications 3352 227 1882 40 Ibernet, Internet Access Netw 5089 224 1658 54 NTL Group Limited 3269 223 2839 73 TELECOM ITALIA 9121 217 1442 25 TTnet Autonomous System 3292 197 1380 177 TDC Tele Danmark 3300 196 172 95 AUCS Communications Services 12479 194 578 6 Uni2 Autonomous System 1257 192 1195 170 SWIPnet Swedish IP Network 3246 187 253 177 Song Networks LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 921 1974 206 UniNet S.A. de C.V. 11830 514 299 9 Instituto Costarricense de El 16814 426 26 9 NSS, S.A. 11172 374 114 60 Servicios Alestra S.A de C.V 7303 352 166 50 Telecom Argentina Stet-France 6471 329 75 33 ENTEL CHILE S.A. 14522 329 28 7 SatNet S.A. 22047 317 246 13 VTR PUNTO NET S.A. 14117 284 19 15 Telefonica del Sur S.A. 10481 278 104 9 Prima S.A. 11664 277 30 13 Keytech SA 11556 237 128 4 Cable-Wireless Panama 10620 235 65 22 TVCABLE BOGOTA 6147 228 178 24 Telefonica Del Peru 6503 200 170 82 AVANTEL, S.A. 23216 198 17 46 RAMtelecom Telecomunicaciones 20299 178 25 30 NEWCOM AMERICAS 8163 177 11 6 METROTEL REDES S.A. 19169 175 12 19 Telconet 21826 173 31 59 INTERCABLE AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 284 870 226 The Internet Solution 8452 219 188 7 TEDATA 6713 142 135 11 Itissalat Al-MAGHRIB 2018 140 301 115 Tertiary Education Network 33783 125 8 12 EEPAD TISP TELECOM & INTERNET 5536 124 8 10 Internet Egypt Network 33776 100 6 3 Starcomms Nigeria Limited 24835 87 48 6 RAYA Telecom - Egypt 15475 76 84 4 Nile Online 2905 75 174 72 The Internetworking Company o 23889 73 24 15 MAURITIUS TELECOM 15706 56 12 4 Sudatel Internet Exchange Aut 33774 47 29 25 AS Number for Telecom Algeria 5713 46 294 36 Telkom SA Ltd 16637 42 21 29 Johnnic e-Ventures 12455 35 6 3 Jambonet Autonomous system 8524 31 2 10 AUCEGYPT Autonomous System 21280 29 4 4 Swift Global Kenya Ltd.Is an 10798 27 16 1 Standard Bank of South Africa 29975 26 10 9 Vodacom Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1349 1280 Videsh Sanchar Nigam Ltd. Aut 11492 1149 1134 Cable One 18566 1027 1018 Covad Communications 6478 1129 995 AT&T Worldnet Services 4323 1343 973 Time Warner Telecom 9498 1007 942 BHARTI BT INTERNET LTD. 4134 1077 785 CHINANET-BACKBONE 17488 810 751 Hathway IP Over Cable Interne 9583 1127 722 Sify Limited 22773 771 721 Cox Communications, Inc. 8151 921 715 UniNet S.A. de C.V. 5668 656 633 CenturyTel Internet Holdings, 7545 724 604 TPG Internet Pty Ltd 19262 778 588 Verizon Global Networks 6517 592 556 Yipes Communications, Inc. 18101 598 548 Reliance Infocom Ltd Internet 15270 579 541 PaeTec.net -a division of Pae 6197 1032 524 BellSouth Network Solutions, 9829 530 521 BSNL National Internet Backbo 19916 568 517 OLM LLC List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65501 PRIVATE 202.153.21.0/24 23666 PT Sistelindo Mitral 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous 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 /10:16 /11:37 /12:135 /13:262 /14:473 /15:922 /16:9621 /17:4089 /18:6651 /19:13997 /20:16498 /21:15034 /22:19460 /23:20318 /24:122056 /25:757 /26:1019 /27:513 /28:87 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1141 1149 Cable One 6478 1128 1129 AT&T Worldnet Services 18566 1009 1027 Covad Communications 9583 969 1127 Sify Limited 2386 908 1216 AT&T Data Communications Serv 7011 830 940 Citizens Utilities 7018 823 1479 AT&T WorldNet Services 6197 785 1032 BellSouth Network Solutions, 23577 776 785 Korea Telecom (ATM-MPLS) 4755 754 1349 Videsh Sanchar Nigam Ltd. Aut 9498 679 1007 BHARTI BT INTERNET LTD. 17488 633 810 Hathway IP Over Cable Interne 4766 607 809 Korea Telecom (KIX) 4323 578 1343 Time Warner Telecom 19916 563 568 OLM LLC 6517 557 592 Yipes Communications, Inc. 15270 543 579 PaeTec.net -a division of Pae 5668 521 656 CenturyTel Internet Holdings, 4668 507 517 LG-EDS Systems Inc. 18101 503 598 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:82 12:1785 13:1 15:20 16:3 17:3 18:13 20:37 24:967 25:1 32:60 33:3 38:349 40:60 41:319 44:2 47:4 52:4 55:3 56:3 57:23 58:474 59:403 60:367 61:992 62:938 63:2012 64:3230 65:2375 66:3507 67:806 68:670 69:1996 70:449 71:106 72:1432 73:5 74:662 75:260 76:127 77:353 78:164 80:833 81:834 82:569 83:364 84:623 85:820 86:341 87:521 88:281 89:994 90:24 91:560 97:6 101:1 116:360 117:158 118:19 121:300 122:614 123:192 124:675 125:1005 128:271 129:213 130:137 131:366 132:54 133:9 134:196 135:34 136:187 137:83 138:153 139:74 140:505 141:177 142:383 143:256 144:306 145:47 146:331 147:125 148:415 149:156 150:107 151:158 152:89 153:119 154:3 155:259 156:161 157:219 158:160 159:173 160:134 161:102 162:172 163:182 164:487 165:395 166:285 167:298 168:499 169:123 170:389 171:22 172:2 189:74 190:1135 192:5705 193:3952 194:3193 195:2298 196:962 198:3814 199:3220 200:5307 201:1197 202:7386 203:7734 204:3912 205:1999 206:2418 207:2845 208:2844 209:3487 210:2464 211:1086 212:1314 213:1484 214:420 215:45 216:4008 217:1195 218:321 219:371 220:1003 221:415 222:260 End of report
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