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 15 Dec, 2007 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 240735 Prefixes after maximum aggregation: 123500 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 117441 Total ASes present in the Internet Routing Table: 26879 Prefixes per ASN: 8.96 Origin-only ASes present in the Internet Routing Table: 23383 Origin ASes announcing only one prefix: 11388 Transit ASes present in the Internet Routing Table: 3496 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 20 Max AS path prepend of ASN (35389) 17 Prefixes from unregistered ASNs in the Routing Table: 8 Unregistered ASNs in the Routing Table: 5 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: 14 Number of addresses announced to Internet: 1796808672 Equivalent to 107 /8s, 25 /16s and 31 /24s Percentage of available address space announced: 48.5 Percentage of allocated address space announced: 62.0 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 112821 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 56050 Total APNIC prefixes after maximum aggregation: 21429 APNIC Deaggregation factor: 2.62 Prefixes being announced from the APNIC address blocks: 52923 Unique aggregates announced from the APNIC address blocks: 23480 APNIC Region origin ASes present in the Internet Routing Table: 3108 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 815 APNIC Region transit ASes present in the Internet Routing Table: 484 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 323392416 Equivalent to 19 /8s, 70 /16s and 147 /24s Percentage of available APNIC address space announced: 74.0 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, 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: 112613 Total ARIN prefixes after maximum aggregation: 63992 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 83054 Unique aggregates announced from the ARIN address blocks: 33134 ARIN Region origin ASes present in the Internet Routing Table: 11981 ARIN Prefixes per ASN: 6.93 ARIN Region origin ASes announcing only one prefix: 4602 ARIN Region transit ASes present in the Internet Routing Table: 1137 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 355260288 Equivalent to 21 /8s, 44 /16s and 215 /24s Percentage of available ARIN address space announced: 78.4 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: 50670 Total RIPE prefixes after maximum aggregation: 32386 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 47531 Unique aggregates announced from the RIPE address blocks: 31359 RIPE Region origin ASes present in the Internet Routing Table: 10616 RIPE Prefixes per ASN: 4.48 RIPE Region origin ASes announcing only one prefix: 5617 RIPE Region transit ASes present in the Internet Routing Table: 1650 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 339078912 Equivalent to 20 /8s, 53 /16s and 239 /24s Percentage of available RIPE address space announced: 77.7 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 40960-45055 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: 18092 Total LACNIC prefixes after maximum aggregation: 4588 LACNIC Deaggregation factor: 3.94 Prefixes being announced from the LACNIC address blocks: 16072 Unique aggregates announced from the LACNIC address blocks: 8927 LACNIC Region origin ASes present in the Internet Routing Table: 888 LACNIC Prefixes per ASN: 18.10 LACNIC Region origin ASes announcing only one prefix: 289 LACNIC Region transit ASes present in the Internet Routing Table: 153 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 47070208 Equivalent to 2 /8s, 206 /16s and 60 /24s Percentage of available LACNIC address space announced: 46.8 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: 3293 Total AfriNIC prefixes after maximum aggregation: 1089 AfriNIC Deaggregation factor: 3.02 Prefixes being announced from the AfriNIC address blocks: 2465 Unique aggregates announced from the AfriNIC address blocks: 1451 AfriNIC Region origin ASes present in the Internet Routing Table: 211 AfriNIC Prefixes per ASN: 11.68 AfriNIC Region origin ASes announcing only one prefix: 65 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 8242944 Equivalent to 0 /8s, 125 /16s and 199 /24s Percentage of available AfriNIC address space announced: 24.6 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 1494 383 71 Videsh Sanchar Nigam Ltd. Aut 9583 1094 81 431 Sify Limited 9498 1056 549 63 BHARTI BT INTERNET LTD. 4134 977 11601 305 CHINANET-BACKBONE 17488 918 59 80 Hathway IP Over Cable Interne 4766 818 5475 330 Korea Telecom (KIX) 23577 802 34 685 Korea Telecom (ATM-MPLS) 7545 660 148 107 TPG Internet Pty Ltd 18101 610 120 57 Reliance Infocom Ltd Internet 9829 598 448 10 BSNL National Internet Backbo 1221 545 1952 421 Telstra Pty Ltd 4812 529 874 82 China Telecom (Shanghai) 4808 522 798 121 CNCGROUP IP network: China169 4668 519 68 10 LG-EDS Systems Inc. 17676 504 10919 64 Softbank BB Corp. 4802 470 128 149 Wantree Development 9443 439 121 69 Primus Telecommunications 17974 408 145 17 PT TELEKOMUNIKASI INDONESIA 7474 385 202 271 SingTel Optus Pty Ltd 4837 362 5072 176 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1489 6106 1009 AT&T WorldNet Services 4323 1386 1015 366 Time Warner Telecom 2386 1316 635 795 AT&T Data Communications Serv 11492 1186 125 36 Cable One 6478 1084 328 178 AT&T Worldnet Services 18566 1034 288 9 Covad Communications 6197 1032 721 510 BellSouth Network Solutions, 7011 996 295 582 Citizens Utilities 174 971 6823 822 Cogent Communications 701 893 6546 699 UUNET Technologies, Inc. 19262 858 3102 173 Verizon Global Networks 20115 843 773 455 Charter Communications 3356 837 10904 414 Level 3 Communications, LLC 22773 831 2138 58 Cox Communications, Inc. 1239 790 2673 549 Sprint 209 742 3786 583 Qwest 5668 665 176 18 CenturyTel Internet Holdings, 6517 615 163 34 Yipes Communications, Inc. 15270 588 160 48 PaeTec.net -a division of Pae 852 585 1126 358 Telus Advanced Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 466 1917 379 UUNET - Commercial IP service 3292 406 1653 366 TDC Tele Danmark 9116 335 184 28 Goldenlines main autonomous s 3301 322 1458 296 TeliaNet Sweden 3320 315 6019 261 Deutsche Telekom AG 8452 284 188 7 TEDATA 8866 280 78 24 Bulgarian Telecommunication C 8551 276 266 40 Bezeq International 6746 273 129 252 Dynamic Network Technologies, 8708 272 421 244 Romania Data Systems S.A. 3215 270 2583 92 France Telecom Transpac 680 268 2045 254 DFN-IP service G-WiN 9155 254 43 11 QualityNet AS number 8220 242 423 228 COLT Telecommunications 3352 238 1948 40 Ibernet, Internet Access Netw 3269 230 3037 68 TELECOM ITALIA 5462 229 666 27 Telewest Broadband 3300 214 220 102 AUCS Communications Services 9121 213 1444 26 TTnet Autonomous System 1257 195 1195 178 SWIPnet Swedish IP Network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1157 2408 216 UniNet S.A. de C.V. 11830 539 299 9 Instituto Costarricense de El 16814 427 27 10 NSS, S.A. 7303 417 202 59 Telecom Argentina Stet-France 11172 379 115 62 Servicios Alestra S.A de C.V 14522 371 34 8 SatNet S.A. 6471 363 85 37 ENTEL CHILE S.A. 22047 322 254 13 VTR PUNTO NET S.A. 10481 301 120 10 Prima S.A. 10620 293 80 20 TVCABLE BOGOTA 14117 286 19 15 Telefonica del Sur S.A. 6147 256 214 21 Telefonica Del Peru 7738 237 602 25 Telecomunicacoes da Bahia S.A 11556 235 128 3 Cable-Wireless Panama 23216 223 17 47 RAMtelecom Telecomunicaciones 20299 221 33 29 NEWCOM AMERICAS 6503 220 187 86 AVANTEL, S.A. 28573 219 321 29 NET Servicos de Comunicao S.A 19169 190 12 20 Telconet 21826 187 33 48 INTERCABLE AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 400 60 36 LINKdotNET AS number 3741 278 869 226 The Internet Solution 20858 201 34 3 EgyNet 6713 145 135 11 Itissalat Al-MAGHRIB 2018 143 268 115 Tertiary Education Network 5536 124 8 10 Internet Egypt Network 33783 124 8 15 EEPAD TISP TELECOM & INTERNET 33776 100 6 3 Starcomms Nigeria Limited 24835 88 48 6 RAYA Telecom - Egypt 15475 84 84 4 Nile Online 23889 79 24 16 MAURITIUS TELECOM 2905 77 174 73 The Internetworking Company o 29571 77 13 7 Ci Telecom Autonomous system 20484 65 5 6 Yalla Online Autonomous Syste 15706 57 12 4 Sudatel Internet Exchange Aut 33774 51 37 28 AS Number for Telecom Algeria 5713 49 455 39 Telkom SA Ltd 8524 32 2 10 AUCEGYPT Autonomous System 12455 32 6 3 Jambonet Autonomous system 21152 32 2 1 AS for the uplinks of Soficom Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 11492 1186 1150 Cable One 18566 1034 1025 Covad Communications 4323 1386 1020 Time Warner Telecom 9498 1056 993 BHARTI BT INTERNET LTD. 8151 1157 941 UniNet S.A. de C.V. 6478 1084 906 AT&T Worldnet Services 17488 918 838 Hathway IP Over Cable Interne 22773 831 773 Cox Communications, Inc. 19262 858 685 Verizon Global Networks 4134 977 672 CHINANET-BACKBONE 9583 1094 663 Sify Limited 5668 665 647 CenturyTel Internet Holdings, 9829 598 588 BSNL National Internet Backbo 6517 615 581 Yipes Communications, Inc. 7545 660 553 TPG Internet Pty Ltd 18101 610 553 Reliance Infocom Ltd Internet 15270 588 540 PaeTec.net -a division of Pae 11830 539 530 Instituto Costarricense de El 6197 1032 522 BellSouth Network Solutions, 19916 569 522 OLM LLC List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65000 PRIVATE 78.108.160.0/24 39010 TerraNet sal 65068 PRIVATE 79.171.184.0/21 43895 * 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 172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona 172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona 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 /12:135 /13:271 /14:487 /15:962 /16:9745 /17:4184 /18:6860 /19:14868 /20:16967 /21:16053 /22:20148 /23:21122 /24:126325 /25:832 /26:1033 /27:551 /28:96 /29:5 /30:0 /31:0 /32:9 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1177 1186 Cable One 6478 1083 1084 AT&T Worldnet Services 18566 1016 1034 Covad Communications 2386 1007 1316 AT&T Data Communications Serv 9583 939 1094 Sify Limited 7011 881 996 Citizens Utilities 4755 860 1494 Videsh Sanchar Nigam Ltd. Aut 7018 818 1489 AT&T WorldNet Services 23577 793 802 Korea Telecom (ATM-MPLS) 6197 774 1032 BellSouth Network Solutions, 9498 742 1056 BHARTI BT INTERNET LTD. 17488 733 918 Hathway IP Over Cable Interne 4766 605 818 Korea Telecom (KIX) 4323 591 1386 Time Warner Telecom 6517 570 615 Yipes Communications, Inc. 19916 564 569 OLM LLC 15270 551 588 PaeTec.net -a division of Pae 5668 524 665 CenturyTel Internet Holdings, 4668 509 519 LG-EDS Systems Inc. 18101 504 610 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:92 12:1897 13:2 15:21 16:3 17:6 18:14 20:35 24:1016 25:1 31:1 32:61 33:4 38:368 40:69 41:422 44:2 47:8 52:3 55:3 56:3 57:21 58:498 59:412 60:389 61:984 62:1062 63:1980 64:3305 65:2364 66:3611 67:997 68:645 69:2105 70:466 71:106 72:1454 73:7 74:795 75:263 76:163 77:495 78:384 79:46 80:903 81:787 82:565 83:368 84:609 85:827 86:366 87:611 88:290 89:1058 90:39 91:867 92:45 96:2 97:7 98:21 114:1 115:1 116:475 117:222 118:54 119:4 121:365 122:656 123:229 124:755 125:1059 128:309 129:181 130:136 131:375 132:68 133:9 134:194 135:33 136:195 137:82 138:148 139:72 140:513 141:127 142:374 143:263 144:332 145:51 146:330 147:128 148:483 149:185 150:171 151:124 152:101 153:122 154:11 155:277 156:199 157:226 158:165 159:206 160:189 161:100 162:197 163:186 164:560 165:410 166:288 167:311 168:550 169:128 170:421 171:29 172:5 173:1 189:122 190:1298 192:5729 193:4052 194:3221 195:2328 196:938 198:3812 199:3227 200:5214 201:1287 202:7481 203:7852 204:3964 205:2024 206:2420 207:2759 208:3027 209:3544 210:2516 211:1112 212:1251 213:1597 214:433 215:42 216:4082 217:1210 218:331 219:403 220:1009 221:406 222:291 End of report