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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Oct 26 20:02:50 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 27 Oct, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/10/27/0400 Analysis Summary ---------------- BGP routing table entries examined: 235884 Prefixes after maximum aggregation: 121839 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 113953 Total ASes present in the Internet Routing Table: 26582 Prefixes per ASN: 8.87 Origin-only ASes present in the Internet Routing Table: 23140 Origin ASes announcing only one prefix: 11294 Transit ASes present in the Internet Routing Table: 3442 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 20 Max AS path prepend of ASN (13227) 16 Prefixes from unregistered ASNs in the Routing Table: 28 Unregistered ASNs in the Routing Table: 11 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: 10 Number of addresses announced to Internet: 1797966720 Equivalent to 107 /8s, 42 /16s and 203 /24s Percentage of available address space announced: 48.5 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 77.3 Total number of prefixes smaller than registry allocations: 109476 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 55061 Total APNIC prefixes after maximum aggregation: 20713 APNIC Deaggregation factor: 2.66 Prefixes being announced from the APNIC address blocks: 51983 Unique aggregates announced from the APNIC address blocks: 21968 APNIC Region origin ASes present in the Internet Routing Table: 3078 APNIC Prefixes per ASN: 16.89 APNIC Region origin ASes announcing only one prefix: 807 APNIC Region transit ASes present in the Internet Routing Table: 469 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 322664128 Equivalent to 19 /8s, 59 /16s and 118 /24s Percentage of available APNIC address space announced: 79.9 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, 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: 110769 Total ARIN prefixes after maximum aggregation: 63679 ARIN Deaggregation factor: 1.74 Prefixes being announced from the ARIN address blocks: 81900 Unique aggregates announced from the ARIN address blocks: 32455 ARIN Region origin ASes present in the Internet Routing Table: 11912 ARIN Prefixes per ASN: 6.88 ARIN Region origin ASes announcing only one prefix: 4589 ARIN Region transit ASes present in the Internet Routing Table: 1106 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 348256128 Equivalent to 20 /8s, 193 /16s and 247 /24s Percentage of available ARIN address space announced: 76.9 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, 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: 49773 Total RIPE prefixes after maximum aggregation: 31817 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 46251 Unique aggregates announced from the RIPE address blocks: 30449 RIPE Region origin ASes present in the Internet Routing Table: 10425 RIPE Prefixes per ASN: 4.44 RIPE Region origin ASes announcing only one prefix: 5544 RIPE Region transit ASes present in the Internet Routing Table: 1639 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 333987200 Equivalent to 19 /8s, 232 /16s and 61 /24s Percentage of available RIPE address space announced: 76.6 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: 17518 Total LACNIC prefixes after maximum aggregation: 4579 LACNIC Deaggregation factor: 3.83 Prefixes being announced from the LACNIC address blocks: 15546 Unique aggregates announced from the LACNIC address blocks: 8668 LACNIC Region origin ASes present in the Internet Routing Table: 875 LACNIC Prefixes per ASN: 17.77 LACNIC Region origin ASes announcing only one prefix: 285 LACNIC Region transit ASes present in the Internet Routing Table: 152 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 44806912 Equivalent to 2 /8s, 171 /16s and 179 /24s Percentage of available LACNIC address space announced: 44.5 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 2727 Total AfriNIC prefixes after maximum aggregation: 1037 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 2320 Unique aggregates announced from the AfriNIC address blocks: 1395 AfriNIC Region origin ASes present in the Internet Routing Table: 211 AfriNIC Prefixes per ASN: 11.00 AfriNIC Region origin ASes announcing only one prefix: 69 AfriNIC Region transit ASes present in the Internet Routing Table: 39 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7632128 Equivalent to 0 /8s, 116 /16s and 117 /24s Percentage of available AfriNIC address space announced: 22.7 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 1472 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1126 108 15 Sify Limited 4134 1095 11539 299 CHINANET-BACKBONE 9498 1014 550 67 BHARTI BT INTERNET LTD. 17488 855 55 67 Hathway IP Over Cable Interne 4766 815 5473 327 Korea Telecom (KIX) 23577 780 34 681 Korea Telecom (ATM-MPLS) 7545 718 159 120 TPG Internet Pty Ltd 18101 607 119 52 Reliance Infocom Ltd Internet 1221 544 1951 424 Telstra Pty Ltd 9829 530 1312 9 BSNL National Internet Backbo 4812 523 858 76 China Telecom (Shanghai) 4668 518 68 10 LG-EDS Systems Inc. 17676 502 10903 63 Softbank BB Corp. 4808 498 793 119 CNCGROUP IP network: China169 4802 487 133 141 Wantree Development 9443 441 121 72 Primus Telecommunications 7474 374 201 261 SingTel Optus Pty Ltd 17974 369 142 16 PT TELEKOMUNIKASI INDONESIA 4837 356 4993 167 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1487 6149 1001 AT&T WorldNet Services 4323 1345 1006 356 Time Warner Telecom 2386 1240 628 751 AT&T Data Communications Serv 11492 1153 117 39 Cable One 6478 1115 328 197 AT&T Worldnet Services 18566 1028 288 9 Covad Communications 6197 1024 718 508 BellSouth Network Solutions, 174 992 6803 846 Cogent Communications 7011 967 289 558 Citizens Utilities 701 889 6560 696 UUNET Technologies, Inc. 20115 849 774 458 Charter Communications 1239 799 2721 558 Sprint 22773 798 2133 54 Cox Communications, Inc. 19262 790 2847 191 Verizon Global Networks 3356 764 10891 398 Level 3 Communications, LLC 209 730 3784 573 Qwest 5668 662 176 17 CenturyTel Internet Holdings, 6517 590 163 34 Yipes Communications, Inc. 852 580 1108 357 Telus Advanced Communications 3561 573 2325 377 Savvis RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 473 1920 386 UUNET - Commercial IP service 24863 375 58 39 LINKdotNET AS number 9116 334 168 28 Goldenlines main autonomous s 3301 317 1441 294 TeliaNet Sweden 3320 316 6035 263 Deutsche Telekom AG 8551 310 298 41 Bezeq International 6746 275 129 252 Dynamic Network Technologies, 8708 271 421 243 Romania Data Systems S.A. 8866 269 62 25 Bulgarian Telecommunication C 680 266 2045 254 DFN-IP service G-WiN 3215 264 2504 99 France Telecom Transpac 8220 257 445 238 COLT Telecommunications 3352 232 1916 40 Ibernet, Internet Access Netw 3269 228 2935 75 TELECOM ITALIA 9121 212 1442 25 TTnet Autonomous System 3300 199 172 95 AUCS Communications Services 20858 195 34 3 EgyNet 1257 194 1194 176 SWIPnet Swedish IP Network 12479 194 578 6 Uni2 Autonomous System 3292 193 1380 177 TDC Tele Danmark LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1055 2196 215 UniNet S.A. de C.V. 11830 514 299 9 Instituto Costarricense de El 16814 427 27 10 NSS, S.A. 14522 380 32 7 SatNet S.A. 11172 374 114 60 Servicios Alestra S.A de C.V 7303 361 175 54 Telecom Argentina Stet-France 6471 348 75 37 ENTEL CHILE S.A. 22047 317 246 13 VTR PUNTO NET S.A. 14117 285 19 15 Telefonica del Sur S.A. 10620 263 73 29 TVCABLE BOGOTA 10481 261 104 9 Prima S.A. 11556 237 128 4 Cable-Wireless Panama 6147 230 178 24 Telefonica Del Peru 6503 213 187 84 AVANTEL, S.A. 23216 211 17 47 RAMtelecom Telecomunicaciones 7738 204 538 24 Telecomunicacoes da Bahia S.A 28573 200 314 27 NET Servicos de Comunicao S.A 8163 183 11 8 METROTEL REDES S.A. 21826 181 32 50 INTERCABLE 20299 180 25 30 NEWCOM AMERICAS AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 279 869 225 The Internet Solution 8452 221 188 7 TEDATA 6713 143 135 11 Itissalat Al-MAGHRIB 2018 140 299 115 Tertiary Education Network 33783 127 8 11 EEPAD TISP TELECOM & INTERNET 5536 124 8 10 Internet Egypt Network 33776 100 6 3 Starcomms Nigeria Limited 24835 88 48 6 RAYA Telecom - Egypt 15475 77 84 4 Nile Online 2905 75 174 72 The Internetworking Company o 23889 73 24 15 MAURITIUS TELECOM 15706 53 12 4 Sudatel Internet Exchange Aut 33774 48 33 25 AS Number for Telecom Algeria 5713 46 294 36 Telkom SA Ltd 16637 42 21 29 Johnnic e-Ventures 12455 36 6 3 Jambonet Autonomous system 8524 32 2 10 AUCEGYPT Autonomous System 10798 26 16 1 Standard Bank of South Africa 21280 26 4 4 Swift Global Kenya Ltd.Is an 29975 26 10 9 Vodacom Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1472 1405 Videsh Sanchar Nigam Ltd. Aut 11492 1153 1114 Cable One 9583 1126 1111 Sify Limited 18566 1028 1019 Covad Communications 4323 1345 989 Time Warner Telecom 9498 1014 947 BHARTI BT INTERNET LTD. 6478 1115 918 AT&T Worldnet Services 8151 1055 840 UniNet S.A. de C.V. 4134 1095 796 CHINANET-BACKBONE 17488 855 788 Hathway IP Over Cable Interne 22773 798 744 Cox Communications, Inc. 5668 662 645 CenturyTel Internet Holdings, 19262 790 599 Verizon Global Networks 7545 718 598 TPG Internet Pty Ltd 6517 590 556 Yipes Communications, Inc. 18101 607 555 Reliance Infocom Ltd Internet 19916 569 522 OLM LLC 9829 530 521 BSNL National Internet Backbo 6197 1024 516 BellSouth Network Solutions, 4668 518 508 LG-EDS Systems Inc. List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L 64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network 64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network 64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network 64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L 64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L 65535 PRIVATE 200.62.98.0/24 7137 TELEMATIX/ ENITEL 65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma 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 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 /11:38 /12:135 /13:268 /14:478 /15:946 /16:9692 /17:4154 /18:6681 /19:14421 /20:16666 /21:15458 /22:19795 /23:20747 /24:123914 /25:775 /26:1017 /27:541 /28:101 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1145 1153 Cable One 6478 1114 1115 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 961 1126 Sify Limited 2386 931 1240 AT&T Data Communications Serv 7011 854 967 Citizens Utilities 4755 844 1472 Videsh Sanchar Nigam Ltd. Aut 7018 812 1487 AT&T WorldNet Services 6197 772 1024 BellSouth Network Solutions, 23577 771 780 Korea Telecom (ATM-MPLS) 9498 701 1014 BHARTI BT INTERNET LTD. 17488 674 855 Hathway IP Over Cable Interne 4766 606 815 Korea Telecom (KIX) 4323 569 1345 Time Warner Telecom 19916 564 569 OLM LLC 6517 545 590 Yipes Communications, Inc. 5668 521 662 CenturyTel Internet Holdings, 4668 508 518 LG-EDS Systems Inc. 18101 508 607 Reliance Infocom Ltd Internet 15270 446 480 PaeTec.net -a division of Pae Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:86 12:1796 15:19 16:3 17:5 18:13 20:36 24:982 25:1 32:57 33:3 38:357 40:64 41:346 44:2 45:2 47:8 52:3 55:3 56:3 57:23 58:473 59:416 60:380 61:983 62:931 63:1979 64:3282 65:2369 66:3562 67:849 68:674 69:2001 70:465 71:108 72:1411 73:6 74:730 75:263 76:153 77:411 78:248 79:1 80:858 81:798 82:583 83:355 84:631 85:831 86:349 87:583 88:284 89:1043 90:39 91:683 92:4 96:1 97:7 98:9 116:415 117:204 118:39 121:323 122:635 123:206 124:702 125:1040 128:276 129:195 130:136 131:366 132:56 133:8 134:193 135:34 136:182 137:82 138:156 139:75 140:505 141:151 142:371 143:254 144:317 145:46 146:327 147:130 148:486 149:187 150:113 151:137 152:83 153:121 154:11 155:261 156:162 157:223 158:160 159:195 160:143 161:99 162:189 163:183 164:498 165:397 166:290 167:308 168:496 169:126 170:404 171:22 172:2 189:118 190:1212 192:5705 193:3997 194:3212 195:2463 196:941 198:3791 199:3225 200:5258 201:1237 202:7404 203:7810 204:3978 205:2002 206:2416 207:2785 208:2907 209:3597 210:2482 211:1077 212:1345 213:1525 214:419 215:45 216:4080 217:1197 218:316 219:390 220:1010 221:410 222:267 End of report
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