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 30 Sep, 2006 Analysis Summary ---------------- BGP routing table entries examined: 199091 Prefixes after maximum aggregation: 108525 Unique aggregates announced to Internet: 96637 Total ASes present in the Internet Routing Table: 23229 Origin-only ASes present in the Internet Routing Table: 20244 Origin ASes announcing only one prefix: 9714 Transit ASes present in the Internet Routing Table: 2985 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 29 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1593268492 Equivalent to 94 /8s, 247 /16s and 89 /24s Percentage of available address space announced: 43.0 Percentage of allocated address space announced: 61.0 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 99681 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43613 Total APNIC prefixes after maximum aggregation: 17518 Prefixes being announced from the APNIC address blocks: 41222 Unique aggregates announced from the APNIC address blocks: 18560 APNIC Region origin ASes present in the Internet Routing Table: 2699 APNIC Region origin ASes announcing only one prefix: 752 APNIC Region transit ASes present in the Internet Routing Table: 406 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 262669664 Equivalent to 15 /8s, 168 /16s and 5 /24s Percentage of available APNIC address space announced: 82.1 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, 121/8, 122/7, 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: 100462 Total ARIN prefixes after maximum aggregation: 59518 Prefixes being announced from the ARIN address blocks: 73762 Unique aggregates announced from the ARIN address blocks: 27824 ARIN Region origin ASes present in the Internet Routing Table: 11016 ARIN Region origin ASes announcing only one prefix: 4180 ARIN Region transit ASes present in the Internet Routing Table: 1019 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 302082560 Equivalent to 18 /8s, 1 /16s and 106 /24s Percentage of available ARIN address space announced: 78.3 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, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 40317 Total RIPE prefixes after maximum aggregation: 26767 Prefixes being announced from the RIPE address blocks: 37266 Unique aggregates announced from the RIPE address blocks: 25004 RIPE Region origin ASes present in the Internet Routing Table: 8553 RIPE Region origin ASes announcing only one prefix: 4489 RIPE Region transit ASes present in the Internet Routing Table: 1377 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 266490532 Equivalent to 15 /8s, 226 /16s and 82 /24s Percentage of available RIPE address space announced: 72.2 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 40960-41983 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 12355 Total LACNIC prefixes after maximum aggregation: 3804 Prefixes being announced from the LACNIC address blocks: 10360 Unique aggregates announced from the LACNIC address blocks: 6145 LACNIC Region origin ASes present in the Internet Routing Table: 726 LACNIC Region origin ASes announcing only one prefix: 245 LACNIC Region transit ASes present in the Internet Routing Table: 129 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 32790784 Equivalent to 1 /8s, 244 /16s and 89 /24s Percentage of available LACNIC address space announced: 48.9 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: 2342 Total AfriNIC prefixes after maximum aggregation: 918 Prefixes being announced from the AfriNIC address blocks: 1638 Unique aggregates announced from the AfriNIC address blocks: 1070 AfriNIC Region origin ASes present in the Internet Routing Table: 162 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 4247296 Equivalent to 0 /8s, 64 /16s and 207 /24s Percentage of available AfriNIC address space announced: 12.7 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 4134 1239 8158 238 CHINANET-BACKBONE 4755 999 255 66 Videsh Sanchar Nigam Ltd. Aut 9583 954 108 58 Sify Limited 9498 856 212 72 BHARTI BT INTERNET LTD. 4766 741 4436 307 Korea Telecom (KIX) 1221 608 1780 466 Telstra Pty Ltd 7545 540 124 74 TPG Internet Pty Ltd 17488 534 33 12 Hathway IP Over Cable Interne 17676 499 10933 63 Softbank BB Corp. 18101 456 87 19 Reliance Infocom Ltd Internet 9443 454 111 74 Primus Telecommunications 9942 424 77 124 COMindico Australia 17849 424 31 127 Telecommunications Technology 4802 411 86 150 Wantree Development 4812 407 741 63 China Telecom (Shanghai) 17974 371 129 12 PT TELEKOMUNIKASI INDONESIA 17557 363 30 176 Pakistan Telecom 2907 337 1734 313 SINET Japan 4837 323 3554 139 chinanet IDC center beijing n 10139 315 23 6 Meridian Telekoms ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1539 6257 992 AT&T WorldNet Services 2386 1168 594 843 AT&T Data Communications Serv 6197 1027 643 478 BellSouth Network Solutions, 4323 1021 782 290 Time Warner Telecom 174 979 6825 902 Cogent Communications 721 964 21893 305 DLA Systems Automation Center 18566 964 272 8 Covad Communications 701 952 6742 781 UUNET Technologies, Inc. 1239 837 2763 588 Sprint 11492 750 90 13 Cable One 19262 747 2340 188 Verizon Global Networks 20115 743 666 387 Charter Communications 22773 713 1744 46 Cox Communications, Inc. 209 705 3631 554 Qwest 7011 665 208 419 Citizens Utilities 852 589 1070 386 Telus Advanced Communications 6478 588 1269 382 AT&T Worldnet Services 19916 565 49 54 OLM LLC 855 552 249 74 Canadian Research Network 5668 537 145 18 CenturyTel Internet Holdings, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 544 1928 424 UUNET - Commercial IP service 3301 314 1186 298 TeliaNet Sweden 3320 297 5013 242 Deutsche Telekom AG 8220 278 455 264 COLT Telecommunications 24863 273 41 30 LINKdotNET AS number 680 252 2041 247 DFN-IP service G-WiN 6746 240 90 219 Dynamic Network Technologies, 3246 228 469 218 Song Networks 1257 221 740 168 SWIPnet Swedish IP Network 8708 219 278 206 Romania Data Systems S.A. 3215 209 1832 96 France Telecom Transpac 3269 203 2261 73 TELECOM ITALIA 8551 199 182 29 Bezeq International 9116 199 134 23 Goldenlines main autonomous s 6830 198 879 43 UPC Distribution Services 30890 192 17 82 SC Kappa Invexim SRL 8866 186 37 15 Bulgarian Telecommunication C 5416 181 12 11 BATELCO-BH 3300 174 171 97 AUCS Communications Services 786 171 1779 171 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 633 1811 225 UniNet S.A. de C.V. 11172 373 98 86 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 303 206 11 VTR PUNTO NET S.A. 6147 263 140 24 Telefonica Del Peru 6471 255 74 30 ENTEL CHILE S.A. 14117 229 15 8 Telefonica del Sur S.A. 7303 204 90 27 Telecom Argentina Stet-France 6503 183 168 84 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 11830 165 298 25 Instituto Costarricense de El 23216 146 21 10 RAMtelecom Telecomunicaciones 21826 144 18 29 INTERCABLE 7910 139 9 14 ANDINET ON LINE 19169 136 9 21 Telconet 19429 136 83 38 E.T.B. 11556 132 96 4 Cable-Wireless Panama 18822 129 8 10 TELEFONICA MANQUEHUE 14522 116 18 9 SatNet S.A. 7738 113 410 20 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 289 803 233 The Internet Solution 8452 173 60 7 TEDATA 6713 144 135 11 Itissalat Al-MAGHRIB 15475 142 84 4 Nile Online 2018 134 297 111 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 107 6 2 EEPAD TISP TELECOM & INTERNET 2905 80 159 71 The Internetworking Company o 2561 55 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 12455 38 6 3 Jambonet Autonomous system 5713 36 293 32 Telkom SA Ltd 33774 32 7 20 AS Number for Telecom Algeria 21280 26 4 4 Swift Global Kenya Ltd.Is an 23889 26 8 11 MAURITIUS TELECOM 16637 24 19 23 Johnnic e-Ventures 10798 23 1 14 Standard Bank of South Africa 21491 23 17 2 UTL On-line is RF broadband I 8524 22 1 5 AUCEGYPT Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1239 1001 CHINANET-BACKBONE 18566 964 956 Covad Communications 4755 999 933 Videsh Sanchar Nigam Ltd. Aut 9583 954 896 Sify Limited 9498 856 784 BHARTI BT INTERNET LTD. 11492 750 737 Cable One 4323 1021 731 Time Warner Telecom 22773 713 667 Cox Communications, Inc. 721 964 659 DLA Systems Automation Center 19262 747 559 Verizon Global Networks 6197 1027 549 BellSouth Network Solutions, 17488 534 522 Hathway IP Over Cable Interne 5668 537 519 CenturyTel Internet Holdings, 19916 565 511 OLM LLC 855 552 478 Canadian Research Network 7545 540 466 TPG Internet Pty Ltd 18101 456 437 Reliance Infocom Ltd Internet 17676 499 436 Softbank BB Corp. 4766 741 434 Korea Telecom (KIX) 15270 467 432 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65001 PRIVATE 88.213.181.0/24 28929 Tiziano D'Inca' - AS 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 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 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.84.205.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.249.0.0/20 3450 University of Tennessee, Knox 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 /10:13 /11:31 /12:106 /13:212 /14:384 /15:762 /16:9022 /17:3494 /18:5705 /19:12297 /20:13887 /21:12252 /22:15548 /23:16940 /24:107129 /25:430 /26:413 /27:194 /28:66 /29:41 /30:89 /31:0 /32:49 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 947 964 Covad Communications 2386 884 1168 AT&T Data Communications Serv 7018 807 1539 AT&T WorldNet Services 6197 806 1027 BellSouth Network Solutions, 9583 786 954 Sify Limited 11492 738 750 Cable One 7011 572 665 Citizens Utilities 19916 559 565 OLM LLC 4766 550 741 Korea Telecom (KIX) 9498 513 856 BHARTI BT INTERNET LTD. 15270 436 467 PaeTec.net -a division of Pae 855 432 552 Canadian Research Network 4755 431 999 Videsh Sanchar Nigam Ltd. Aut 5668 419 537 CenturyTel Internet Holdings, 17849 412 424 Telecommunications Technology 1239 406 837 Sprint 18101 389 456 Reliance Infocom Ltd Internet 22773 373 713 Cox Communications, Inc. 33588 370 391 Bresnan Communications, LLC. 17488 354 534 Hathway IP Over Cable Interne Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:52 12:1654 13:1 15:16 16:3 17:3 18:4 20:41 24:829 25:1 32:57 38:254 40:56 41:19 44:3 47:7 52:4 53:1 55:1 56:3 57:25 58:223 59:268 60:168 61:896 62:973 63:1899 64:3109 65:2249 66:3047 67:644 68:657 69:1649 70:391 71:89 72:942 74:81 75:7 80:804 81:695 82:602 83:375 84:399 85:663 86:423 87:465 88:195 89:474 121:35 122:14 123:1 124:374 125:646 128:283 129:229 130:120 131:309 132:34 133:9 134:167 135:51 136:177 137:87 138:223 139:47 140:523 141:134 142:361 143:188 144:237 145:42 146:319 147:137 148:363 149:177 150:115 151:120 152:76 153:121 154:5 155:230 156:159 157:164 158:155 159:173 160:98 161:84 162:217 163:152 164:231 165:224 166:239 167:249 168:485 169:129 170:377 171:11 172:1 190:222 192:5733 193:3488 194:2722 195:2085 196:905 198:3894 199:3331 200:4445 201:992 202:6907 203:7175 204:3932 205:2095 206:2428 207:2951 208:2314 209:3503 210:2175 211:838 212:1349 213:1500 214:382 215:40 216:4049 217:1129 218:341 219:261 220:795 221:385 222:232 End of report Report Website: http://thyme.apnic.net