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 29 Sep, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/09/29/0400 Analysis Summary ---------------- BGP routing table entries examined: 233332 Prefixes after maximum aggregation: 121009 Deaggregation factor: 1.93 Unique aggregates announced to Internet: 113214 Total ASes present in the Internet Routing Table: 26304 Prefixes per ASN: 8.87 Origin-only ASes present in the Internet Routing Table: 22901 Origin ASes announcing only one prefix: 11173 Transit ASes present in the Internet Routing Table: 3403 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 22 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 21 Unregistered ASNs in the Routing Table: 7 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1787287392 Equivalent to 106 /8s, 135 /16s and 215 /24s Percentage of available address space announced: 48.2 Percentage of allocated address space announced: 63.1 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 124191 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 54550 Total APNIC prefixes after maximum aggregation: 20985 APNIC Deaggregation factor: 2.60 Prefixes being announced from the APNIC address blocks: 51477 Unique aggregates announced from the APNIC address blocks: 22764 APNIC Region origin ASes present in the Internet Routing Table: 3064 APNIC Prefixes per ASN: 16.80 APNIC Region origin ASes announcing only one prefix: 812 APNIC Region transit ASes present in the Internet Routing Table: 474 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 319989664 Equivalent to 19 /8s, 18 /16s and 167 /24s Percentage of available APNIC address space announced: 79.3 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: 109895 Total ARIN prefixes after maximum aggregation: 63243 ARIN Deaggregation factor: 1.74 Prefixes being announced from the ARIN address blocks: 81066 Unique aggregates announced from the ARIN address blocks: 32140 ARIN Region origin ASes present in the Internet Routing Table: 11850 ARIN Prefixes per ASN: 6.84 ARIN Region origin ASes announcing only one prefix: 4549 ARIN Region transit ASes present in the Internet Routing Table: 1089 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 346033280 Equivalent to 20 /8s, 160 /16s and 12 /24s Percentage of available ARIN address space announced: 76.4 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: 48930 Total RIPE prefixes after maximum aggregation: 31225 RIPE Deaggregation factor: 1.57 Prefixes being announced from the RIPE address blocks: 45305 Unique aggregates announced from the RIPE address blocks: 29867 RIPE Region origin ASes present in the Internet Routing Table: 10244 RIPE Prefixes per ASN: 4.42 RIPE Region origin ASes announcing only one prefix: 5467 RIPE Region transit ASes present in the Internet Routing Table: 1623 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 329301120 Equivalent to 19 /8s, 160 /16s and 188 /24s Percentage of available RIPE address space announced: 75.5 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: 17229 Total LACNIC prefixes after maximum aggregation: 4516 LACNIC Deaggregation factor: 3.82 Prefixes being announced from the LACNIC address blocks: 15244 Unique aggregates announced from the LACNIC address blocks: 8195 LACNIC Region origin ASes present in the Internet Routing Table: 867 LACNIC Prefixes per ASN: 17.58 LACNIC Region origin ASes announcing only one prefix: 275 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: 43546624 Equivalent to 2 /8s, 152 /16s and 120 /24s Percentage of available LACNIC address space announced: 64.9 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: 2699 Total AfriNIC prefixes after maximum aggregation: 1024 AfriNIC Deaggregation factor: 2.64 Prefixes being announced from the AfriNIC address blocks: 2291 Unique aggregates announced from the AfriNIC address blocks: 1364 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 11.18 AfriNIC Region origin ASes announcing only one prefix: 70 AfriNIC Region transit ASes present in the Internet Routing Table: 35 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7460096 Equivalent to 0 /8s, 113 /16s and 213 /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 1423 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1126 81 413 Sify Limited 4134 1077 11403 294 CHINANET-BACKBONE 9498 1002 533 66 BHARTI BT INTERNET LTD. 17488 816 53 61 Hathway IP Over Cable Interne 4766 809 5441 321 Korea Telecom (KIX) 23577 791 34 685 Korea Telecom (ATM-MPLS) 7545 731 159 118 TPG Internet Pty Ltd 18101 600 119 50 Reliance Infocom Ltd Internet 4802 576 131 149 Wantree Development 4812 548 974 94 China Telecom (Shanghai) 1221 539 1950 420 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 490 783 119 CNCGROUP IP network: China169 9443 467 122 77 Primus Telecommunications 7474 381 218 268 SingTel Optus Pty Ltd 17974 362 130 13 PT TELEKOMUNIKASI INDONESIA 4837 357 5136 169 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1474 6106 987 AT&T WorldNet Services 4323 1400 991 366 Time Warner Telecom 2386 1220 635 732 AT&T Data Communications Serv 11492 1152 113 17 Cable One 6478 1131 328 137 AT&T Worldnet Services 6197 1030 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 965 6779 844 Cogent Communications 7011 944 287 559 Citizens Utilities 701 873 6573 681 UUNET Technologies, Inc. 20115 830 762 441 Charter Communications 1239 800 2720 564 Sprint 19262 780 2766 189 Verizon Global Networks 22773 777 2149 52 Cox Communications, Inc. 209 740 3818 584 Qwest 3356 674 10820 373 Level 3 Communications, LLC 5668 655 176 23 CenturyTel Internet Holdings, 6517 586 165 36 Yipes Communications, Inc. 852 581 1095 360 Telus Advanced Communications 15270 580 160 38 PaeTec.net -a division of Pae RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 491 1921 393 UUNET - Commercial IP service 24863 371 58 37 LINKdotNET AS number 9116 353 168 27 Goldenlines main autonomous s 3301 317 1457 294 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 8551 296 284 38 Bezeq International 6746 290 131 266 Dynamic Network Technologies, 680 269 2045 257 DFN-IP service G-WiN 8866 265 62 22 Bulgarian Telecommunication C 8708 263 421 242 Romania Data Systems S.A. 3215 262 2472 99 France Telecom Transpac 8220 255 444 238 COLT Telecommunications 3352 230 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 3300 197 172 96 AUCS Communications Services 3292 196 1380 176 TDC Tele Danmark 1257 194 1195 171 SWIPnet Swedish IP Network 12479 194 578 6 Uni2 Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1018 2157 211 UniNet S.A. de C.V. 11830 514 299 9 Instituto Costarricense de El 16814 426 26 9 NSS, S.A. 11172 378 114 60 Servicios Alestra S.A de C.V 7303 352 166 50 Telecom Argentina Stet-France 14522 345 29 8 SatNet S.A. 6471 337 75 33 ENTEL CHILE S.A. 22047 317 246 13 VTR PUNTO NET S.A. 14117 287 19 15 Telefonica del Sur S.A. 11664 278 30 13 Keytech SA 10481 261 104 9 Prima S.A. 10620 238 66 24 TVCABLE BOGOTA 11556 237 128 4 Cable-Wireless Panama 6147 229 178 24 Telefonica Del Peru 6503 206 171 83 AVANTEL, S.A. 23216 196 16 44 RAMtelecom Telecomunicaciones 20299 178 25 30 NEWCOM AMERICAS 8163 177 11 6 METROTEL REDES S.A. 19169 176 12 19 Telconet 28573 175 272 18 NET Servicos de Comunicao S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 277 869 225 The Internet Solution 8452 220 188 7 TEDATA 6713 142 135 11 Itissalat Al-MAGHRIB 2018 140 299 115 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 37 6 3 Jambonet Autonomous system 8524 31 2 10 AUCEGYPT Autonomous System 10798 27 16 1 Standard Bank of South Africa 29975 26 10 9 Vodacom 15804 24 2 1 AS of The Way Out Internet So Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1423 1356 Videsh Sanchar Nigam Ltd. Aut 11492 1152 1135 Cable One 4323 1400 1034 Time Warner Telecom 18566 1028 1019 Covad Communications 6478 1131 994 AT&T Worldnet Services 9498 1002 936 BHARTI BT INTERNET LTD. 8151 1018 807 UniNet S.A. de C.V. 4134 1077 783 CHINANET-BACKBONE 17488 816 755 Hathway IP Over Cable Interne 22773 777 725 Cox Communications, Inc. 9583 1126 713 Sify Limited 5668 655 632 CenturyTel Internet Holdings, 7545 731 613 TPG Internet Pty Ltd 19262 780 591 Verizon Global Networks 18101 600 550 Reliance Infocom Ltd Internet 6517 586 550 Yipes Communications, Inc. 15270 580 542 PaeTec.net -a division of Pae 6197 1030 522 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 64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L 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 64520 PRIVATE 172.11.12.0/24 1803 SPRINT 65501 PRIVATE 202.153.21.0/24 23666 PT Sistelindo Mitral 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 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 172.11.12.0/24 64520 PRIVATE ASN 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 /12:136 /13:265 /14:474 /15:928 /16:9621 /17:4094 /18:6661 /19:14149 /20:16608 /21:15124 /22:19589 /23:20400 /24:122734 /25:766 /26:1028 /27:548 /28:113 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1144 1152 Cable One 6478 1130 1131 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 968 1126 Sify Limited 2386 911 1220 AT&T Data Communications Serv 7011 834 944 Citizens Utilities 7018 819 1474 AT&T WorldNet Services 4755 796 1423 Videsh Sanchar Nigam Ltd. Aut 6197 783 1030 BellSouth Network Solutions, 23577 782 791 Korea Telecom (ATM-MPLS) 9498 681 1002 BHARTI BT INTERNET LTD. 17488 639 816 Hathway IP Over Cable Interne 4766 607 809 Korea Telecom (KIX) 4323 596 1400 Time Warner Telecom 19916 563 568 OLM LLC 6517 551 586 Yipes Communications, Inc. 15270 544 580 PaeTec.net -a division of Pae 5668 521 655 CenturyTel Internet Holdings, 4668 507 517 LG-EDS Systems Inc. 18101 503 600 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:83 12:1791 13:1 15:20 16:3 17:3 18:13 20:36 24:974 25:1 32:60 33:3 38:349 40:61 41:320 44:2 47:4 52:4 55:3 56:3 57:23 58:473 59:409 60:370 61:989 62:934 63:2001 64:3253 65:2372 66:3518 67:819 68:676 69:1976 70:454 71:107 72:1419 73:5 74:677 75:260 76:133 77:378 78:196 80:816 81:841 82:570 83:364 84:632 85:820 86:346 87:560 88:287 89:994 90:38 91:562 97:6 98:2 101:1 116:373 117:162 118:21 121:302 122:610 123:184 124:677 125:1008 128:272 129:212 130:137 131:364 132:60 133:9 134:198 135:33 136:188 137:81 138:156 139:74 140:513 141:174 142:398 143:272 144:313 145:47 146:332 147:128 148:485 149:165 150:111 151:157 152:89 153:118 154:11 155:255 156:162 157:218 158:160 159:175 160:135 161:100 162:173 163:182 164:487 165:396 166:287 167:302 168:503 169:123 170:387 171:22 172:3 189:74 190:1168 192:5711 193:3964 194:3196 195:2305 196:965 198:3821 199:3216 200:5314 201:1222 202:7368 203:7873 204:3930 205:1996 206:2430 207:2847 208:2867 209:3472 210:2473 211:1083 212:1299 213:1488 214:424 215:45 216:4079 217:1193 218:317 219:382 220:1008 221:414 222:263 End of report
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