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 12 Jan, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 242944 Prefixes after maximum aggregation: 124170 Deaggregation factor: 1.96 Unique aggregates announced to Internet: 118684 Total ASes present in the Internet Routing Table: 27064 Prefixes per ASN: 8.98 Origin-only ASes present in the Internet Routing Table: 23563 Origin ASes announcing only one prefix: 11452 Transit ASes present in the Internet Routing Table: 3501 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: 19 Max AS path prepend of ASN (29642) 15 Prefixes from unregistered ASNs in the Routing Table: 12 Unregistered ASNs in the Routing Table: 8 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1799965984 Equivalent to 107 /8s, 73 /16s and 77 /24s Percentage of available address space announced: 48.6 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 114374 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 55911 Total APNIC prefixes after maximum aggregation: 21003 APNIC Deaggregation factor: 2.66 Prefixes being announced from the APNIC address blocks: 53426 Unique aggregates announced from the APNIC address blocks: 23847 APNIC Region origin ASes present in the Internet Routing Table: 3091 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 806 APNIC Region transit ASes present in the Internet Routing Table: 461 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 325161632 Equivalent to 19 /8s, 97 /16s and 146 /24s Percentage of available APNIC address space announced: 74.4 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, 114/7, 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: 114433 Total ARIN prefixes after maximum aggregation: 65214 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 83426 Unique aggregates announced from the ARIN address blocks: 33233 ARIN Region origin ASes present in the Internet Routing Table: 12059 ARIN Prefixes per ASN: 6.92 ARIN Region origin ASes announcing only one prefix: 4646 ARIN Region transit ASes present in the Internet Routing Table: 1152 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 355588544 Equivalent to 21 /8s, 49 /16s and 217 /24s Percentage of available ARIN address space announced: 78.5 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: 50815 Total RIPE prefixes after maximum aggregation: 32203 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 48137 Unique aggregates announced from the RIPE address blocks: 31950 RIPE Region origin ASes present in the Internet Routing Table: 10722 RIPE Prefixes per ASN: 4.49 RIPE Region origin ASes announcing only one prefix: 5645 RIPE Region transit ASes present in the Internet Routing Table: 1666 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 340099072 Equivalent to 20 /8s, 69 /16s and 128 /24s Percentage of available RIPE address space announced: 78.0 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 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: 18404 Total LACNIC prefixes after maximum aggregation: 4626 LACNIC Deaggregation factor: 3.98 Prefixes being announced from the LACNIC address blocks: 16553 Unique aggregates announced from the LACNIC address blocks: 9040 LACNIC Region origin ASes present in the Internet Routing Table: 897 LACNIC Prefixes per ASN: 18.45 LACNIC Region origin ASes announcing only one prefix: 287 LACNIC Region transit ASes present in the Internet Routing Table: 153 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 47242240 Equivalent to 2 /8s, 208 /16s and 220 /24s Percentage of available LACNIC address space announced: 46.9 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: 3359 Total AfriNIC prefixes after maximum aggregation: 1106 AfriNIC Deaggregation factor: 3.04 Prefixes being announced from the AfriNIC address blocks: 2504 Unique aggregates announced from the AfriNIC address blocks: 1455 AfriNIC Region origin ASes present in the Internet Routing Table: 217 AfriNIC Prefixes per ASN: 11.54 AfriNIC Region origin ASes announcing only one prefix: 68 AfriNIC Region transit ASes present in the Internet Routing Table: 39 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 8219136 Equivalent to 0 /8s, 125 /16s and 106 /24s Percentage of available AfriNIC address space announced: 24.5 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 4755 1518 383 71 Videsh Sanchar Nigam Ltd. Aut 9583 1112 82 436 Sify Limited 9498 1094 549 61 BHARTI BT INTERNET LTD. 17488 960 62 87 Hathway IP Over Cable Interne 4134 858 11593 305 CHINANET-BACKBONE 4766 834 5494 339 Korea Telecom (KIX) 23577 815 34 693 Korea Telecom (ATM-MPLS) 18101 609 121 60 Reliance Infocom Ltd Internet 4780 591 308 43 Digital United Inc. 9829 590 449 11 BSNL National Internet Backbo 1221 545 1952 421 Telstra Pty Ltd 4812 535 938 83 China Telecom (Shanghai) 4808 530 821 125 CNCGROUP IP network: China169 4668 521 68 10 LG-EDS Systems Inc. 17676 505 10919 64 Softbank BB Corp. 7545 486 146 89 TPG Internet Pty Ltd 4802 471 128 152 Wantree Development 9443 434 121 69 Primus Telecommunications 17974 399 145 17 PT TELEKOMUNIKASI INDONESIA 7474 386 202 272 SingTel Optus Pty Ltd ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1472 6073 996 AT&T WorldNet Services 4323 1388 1011 361 Time Warner Telecom 2386 1355 668 824 AT&T Data Communications Serv 11492 1210 134 16 Cable One 6478 1095 330 135 AT&T Worldnet Services 18566 1039 296 10 Covad Communications 7011 1003 296 589 Citizens Utilities 174 969 6832 812 Cogent Communications 6197 968 697 502 BellSouth Network Solutions, 701 898 6559 693 UUNET Technologies, Inc. 19262 863 3156 171 Verizon Global Networks 20115 862 794 468 Charter Communications 22773 837 2139 58 Cox Communications, Inc. 3356 835 10907 412 Level 3 Communications, LLC 1239 793 2673 552 Sprint 209 751 3912 600 Qwest 5668 666 177 19 CenturyTel Internet Holdings, 6140 608 110 151 ImpSat 6517 605 151 42 Yipes Communications, Inc. 852 600 1134 358 Telus Advanced Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 402 1651 367 TDC Tele Danmark 3301 327 1458 298 TeliaNet Sweden 3320 317 6019 263 Deutsche Telekom AG 8452 287 188 7 TEDATA 8551 278 267 41 Bezeq International 8866 277 78 24 Bulgarian Telecommunication C 5462 276 666 27 Telewest Broadband 6746 272 128 250 Dynamic Network Technologies, 680 270 2046 255 DFN-IP service G-WiN 3215 270 2583 92 France Telecom Transpac 8708 270 420 241 Romania Data Systems S.A. 8220 242 422 228 COLT Telecommunications 3352 240 1948 40 Ibernet, Internet Access Netw 3269 231 3037 68 TELECOM ITALIA 9155 227 43 10 QualityNet AS number 3300 211 172 100 AUCS Communications Services 9121 209 1444 25 TTnet Autonomous System 29357 199 17 4 WATANIYA TELECOM 1257 197 1196 180 SWIPnet Swedish IP Network 9116 196 184 28 Goldenlines main autonomous s LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1149 2390 218 UniNet S.A. de C.V. 11830 545 299 9 Instituto Costarricense de El 16814 427 27 10 NSS, S.A. 7303 418 203 56 Telecom Argentina Stet-France 11172 396 115 62 Servicios Alestra S.A de C.V 6471 374 85 37 ENTEL CHILE S.A. 14117 351 23 16 Telefonica del Sur S.A. 10620 343 91 25 TVCABLE BOGOTA 22047 322 254 13 VTR PUNTO NET S.A. 10481 301 120 10 Prima S.A. 6147 255 214 21 Telefonica Del Peru 7738 240 602 25 Telecomunicacoes da Bahia S.A 11556 236 128 4 Cable-Wireless Panama 20299 236 33 29 NEWCOM AMERICAS 28573 228 322 23 NET Servicos de Comunicao S.A 23216 225 17 47 RAMtelecom Telecomunicaciones 14522 220 36 8 SatNet S.A. 6503 215 180 85 AVANTEL, S.A. 10834 194 76 40 ADVANCE TELECOMUNICACIONES S. 19169 193 12 20 Telconet AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 402 60 36 LINKdotNET AS number 3741 282 869 226 The Internet Solution 20858 201 34 3 EgyNet 6713 145 135 11 Itissalat Al-MAGHRIB 2018 142 268 114 Tertiary Education Network 33783 141 9 10 EEPAD TISP TELECOM & INTERNET 5536 124 8 10 Internet Egypt Network 33776 99 6 7 Starcomms Nigeria Limited 24835 88 48 6 RAYA Telecom - Egypt 15475 85 84 4 Nile Online 2905 77 174 73 The Internetworking Company o 23889 77 24 16 MAURITIUS TELECOM 29571 77 13 7 Ci Telecom Autonomous system 20484 71 5 4 Yalla Online Autonomous Syste 15706 57 12 4 Sudatel Internet Exchange Aut 5713 50 455 40 Telkom SA Ltd 33774 50 37 28 AS Number for Telecom Algeria 16637 41 21 28 Johnnic e-Ventures 8524 33 2 8 AUCEGYPT Autonomous System 12455 32 6 3 Jambonet Autonomous system Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 11492 1210 1194 Cable One 9498 1094 1033 BHARTI BT INTERNET LTD. 18566 1039 1029 Covad Communications 4323 1388 1027 Time Warner Telecom 6478 1095 960 AT&T Worldnet Services 8151 1149 931 UniNet S.A. de C.V. 17488 960 873 Hathway IP Over Cable Interne 22773 837 779 Cox Communications, Inc. 19262 863 692 Verizon Global Networks 9583 1112 676 Sify Limited 5668 666 647 CenturyTel Internet Holdings, 9829 590 579 BSNL National Internet Backbo 6517 605 563 Yipes Communications, Inc. 4134 858 553 CHINANET-BACKBONE 18101 609 549 Reliance Infocom Ltd Internet 4780 591 548 Digital United Inc. 15270 600 545 PaeTec.net -a division of Pae 11830 545 536 Instituto Costarricense de El 2386 1355 531 AT&T Data Communications Serv 19916 563 521 OLM LLC List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65101 PRIVATE 89.211.192.0/19 42298 Qatar Telecom 65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA 65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA 65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA 65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA 65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA 65201 PRIVATE 202.112.45.0/24 4538 China Education and 65201 PRIVATE 202.112.49.0/24 4538 China Education and 65201 PRIVATE 202.112.50.0/24 4538 China Education and 65201 PRIVATE 202.112.54.0/24 4538 China Education and 65201 PRIVATE 202.112.57.0/24 4538 China Education and 65201 PRIVATE 202.112.58.0/24 4538 China Education and Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.31.31.0/24 9730 The Best ISP to go Multimedia 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 173.173.173.0/24 9730 The Best ISP to go Multimedia 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 /8:18 /9:9 /10:15 /11:40 /12:133 /13:271 /14:486 /15:969 /16:9735 /17:4210 /18:6947 /19:14867 /20:17088 /21:16130 /22:20334 /23:21444 /24:127610 /25:872 /26:1093 /27:557 /28:101 /29:8 /30:1 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1200 1210 Cable One 6478 1094 1095 AT&T Worldnet Services 2386 1049 1355 AT&T Data Communications Serv 18566 1020 1039 Covad Communications 9583 957 1112 Sify Limited 7011 888 1003 Citizens Utilities 4755 882 1518 Videsh Sanchar Nigam Ltd. Aut 7018 808 1472 AT&T WorldNet Services 23577 806 815 Korea Telecom (ATM-MPLS) 17488 775 960 Hathway IP Over Cable Interne 9498 766 1094 BHARTI BT INTERNET LTD. 6197 728 968 BellSouth Network Solutions, 4766 618 834 Korea Telecom (KIX) 4323 594 1388 Time Warner Telecom 6517 568 605 Yipes Communications, Inc. 15270 560 600 PaeTec.net -a division of Pae 19916 558 563 OLM LLC 5668 522 666 CenturyTel Internet Holdings, 4668 511 521 LG-EDS Systems Inc. 18101 503 609 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:97 12:1940 13:2 15:21 16:3 17:6 18:14 20:35 24:1009 25:1 31:1 32:61 33:4 38:379 40:65 41:439 44:2 47:8 52:3 55:3 56:3 57:22 58:504 59:413 60:405 61:980 62:1046 63:1981 64:3335 65:2364 66:3605 67:1059 68:640 69:2077 70:469 71:105 72:1462 73:7 74:785 75:173 76:176 77:493 78:434 79:65 80:888 81:786 82:565 83:352 84:522 85:926 86:366 87:595 88:289 89:1085 90:39 91:898 92:96 93:18 95:1 96:2 97:7 98:29 114:1 115:1 116:481 117:241 118:63 119:89 121:387 122:668 123:226 124:767 125:1062 128:310 129:198 130:125 131:390 132:68 133:9 134:188 135:31 136:215 137:85 138:149 139:90 140:500 141:131 142:375 143:272 144:325 145:51 146:336 147:129 148:481 149:188 150:115 151:131 152:95 153:127 154:11 155:278 156:196 157:246 158:165 159:212 160:196 161:99 162:199 163:190 164:562 165:420 166:291 167:310 168:566 169:130 170:427 171:28 172:3 173:1 189:140 190:1382 192:5742 193:4061 194:3247 195:2317 196:959 198:3803 199:3221 200:5414 201:1295 202:7492 203:7906 204:3959 205:2052 206:2424 207:2753 208:3092 209:3607 210:2637 211:1118 212:1265 213:1612 214:448 215:46 216:4134 217:1236 218:331 219:404 220:1008 221:411 222:295 End of report