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 23 Dec, 2006 Analysis Summary ---------------- BGP routing table entries examined: 206421 Prefixes after maximum aggregation: 112114 Unique aggregates announced to Internet: 100639 Total ASes present in the Internet Routing Table: 23975 Origin-only ASes present in the Internet Routing Table: 20911 Origin ASes announcing only one prefix: 10073 Transit ASes present in the Internet Routing Table: 3064 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 32 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1647917228 Equivalent to 98 /8s, 57 /16s and 56 /24s Percentage of available address space announced: 44.5 Percentage of allocated address space announced: 63.1 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 105039 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 45880 Total APNIC prefixes after maximum aggregation: 18689 Prefixes being announced from the APNIC address blocks: 43436 Unique aggregates announced from the APNIC address blocks: 19174 APNIC Region origin ASes present in the Internet Routing Table: 2806 APNIC Region origin ASes announcing only one prefix: 794 APNIC Region transit ASes present in the Internet Routing Table: 421 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 272505184 Equivalent to 16 /8s, 62 /16s and 25 /24s Percentage of available APNIC address space announced: 85.2 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: 101998 Total ARIN prefixes after maximum aggregation: 60492 Prefixes being announced from the ARIN address blocks: 75228 Unique aggregates announced from the ARIN address blocks: 28684 ARIN Region origin ASes present in the Internet Routing Table: 11238 ARIN Region origin ASes announcing only one prefix: 4287 ARIN Region transit ASes present in the Internet Routing Table: 1023 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 311044480 Equivalent to 18 /8s, 138 /16s and 41 /24s Percentage of available ARIN address space announced: 68.7 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: 42677 Total RIPE prefixes after maximum aggregation: 27973 Prefixes being announced from the RIPE address blocks: 39469 Unique aggregates announced from the RIPE address blocks: 26255 RIPE Region origin ASes present in the Internet Routing Table: 8933 RIPE Region origin ASes announcing only one prefix: 4693 RIPE Region transit ASes present in the Internet Routing Table: 1424 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 281860996 Equivalent to 16 /8s, 204 /16s and 219 /24s Percentage of available RIPE address space announced: 76.4 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 40960-43007 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: 13344 Total LACNIC prefixes after maximum aggregation: 4015 Prefixes being announced from the LACNIC address blocks: 11392 Unique aggregates announced from the LACNIC address blocks: 7008 LACNIC Region origin ASes present in the Internet Routing Table: 753 LACNIC Region origin ASes announcing only one prefix: 248 LACNIC Region transit ASes present in the Internet Routing Table: 132 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 35471360 Equivalent to 2 /8s, 29 /16s and 64 /24s Percentage of available LACNIC address space announced: 52.9 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: 2520 Total AfriNIC prefixes after maximum aggregation: 945 Prefixes being announced from the AfriNIC address blocks: 1769 Unique aggregates announced from the AfriNIC address blocks: 1127 AfriNIC Region origin ASes present in the Internet Routing Table: 170 AfriNIC Region origin ASes announcing only one prefix: 51 AfriNIC Region transit ASes present in the Internet Routing Table: 31 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5324544 Equivalent to 0 /8s, 81 /16s and 63 /24s Percentage of available AfriNIC address space announced: 15.9 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 1251 8623 258 CHINANET-BACKBONE 4755 1055 383 64 Videsh Sanchar Nigam Ltd. Aut 9583 1043 87 118 Sify Limited 9498 895 211 63 BHARTI BT INTERNET LTD. 23577 772 34 700 KRNIC 4766 752 4946 307 Korea Telecom (KIX) 1221 572 1698 443 Telstra Pty Ltd 17488 565 35 21 Hathway IP Over Cable Interne 7545 554 126 74 TPG Internet Pty Ltd 17676 503 10935 66 Softbank BB Corp. 18101 493 87 23 Reliance Infocom Ltd Internet 9443 442 111 74 Primus Telecommunications 9942 439 81 132 COMindico Australia 4812 437 758 69 China Telecom (Shanghai) 17849 411 36 126 Telecommunications Technology 4802 405 86 146 Wantree Development 17557 365 35 173 Pakistan Telecom 17974 364 129 12 PT TELEKOMUNIKASI INDONESIA 2907 332 1749 309 SINET Japan 4837 329 3847 145 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1540 6159 1001 AT&T WorldNet Services 2386 1110 586 735 AT&T Data Communications Serv 4323 1057 820 299 Time Warner Telecom 6197 1018 636 501 BellSouth Network Solutions, 18566 983 272 8 Covad Communications 174 965 6809 877 Cogent Communications 701 936 6691 760 UUNET Technologies, Inc. 11492 863 98 13 Cable One 1239 827 2730 578 Sprint 19262 789 2496 181 Verizon Global Networks 721 779 21885 292 DLA Systems Automation Center 20115 767 666 406 Charter Communications 209 713 3763 563 Qwest 22773 709 1744 40 Cox Communications, Inc. 7011 687 211 432 Citizens Utilities 852 603 1092 391 Telus Advanced Communications 19916 567 48 57 OLM LLC 6198 548 535 257 BellSouth Network Solutions, 5668 546 161 19 CenturyTel Internet Holdings, 855 538 250 73 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 546 1912 425 UUNET - Commercial IP service 3301 310 1199 292 TeliaNet Sweden 3320 297 4993 245 Deutsche Telekom AG 24863 294 44 26 LINKdotNET AS number 8220 273 474 264 COLT Telecommunications 6746 264 93 242 Dynamic Network Technologies, 680 253 2041 248 DFN-IP service G-WiN 9116 233 134 23 Goldenlines main autonomous s 8708 231 282 218 Romania Data Systems S.A. 3215 230 2104 96 France Telecom Transpac 1257 214 1069 171 SWIPnet Swedish IP Network 3269 210 2373 73 TELECOM ITALIA 30890 207 19 89 SC Kappa Invexim SRL 5416 206 13 9 BATELCO-BH 3246 202 353 192 Song Networks 8551 198 197 24 Bezeq International 3300 180 171 97 AUCS Communications Services 3352 175 1767 31 Ibernet, Internet Access Netw 12479 175 578 6 Uni2 Autonomous System 786 172 1795 172 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 782 1937 205 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 385 104 74 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 14117 258 16 13 Telefonica del Sur S.A. 6471 257 74 31 ENTEL CHILE S.A. 7303 226 101 38 Telecom Argentina Stet-France 6503 217 170 94 AVANTEL, S.A. 6147 209 150 20 Telefonica Del Peru 11556 204 101 6 Cable-Wireless Panama 10481 181 72 8 Prima S.A. 21826 156 20 35 INTERCABLE 23216 146 19 43 RAMtelecom Telecomunicaciones 7910 144 10 31 ANDINET ON LINE 19169 139 9 22 Telconet 19429 138 84 34 E.T.B. 18822 129 8 10 TELEFONICA MANQUEHUE 14522 128 20 9 SatNet S.A. 7738 116 442 21 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 289 868 231 The Internet Solution 8452 225 60 7 TEDATA 15475 147 84 4 Nile Online 6713 144 135 11 Itissalat Al-MAGHRIB 2018 136 297 111 Tertiary Education Network 5536 124 8 11 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 109 6 4 EEPAD TISP TELECOM & INTERNET 2905 84 175 73 The Internetworking Company o 2561 60 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 23889 52 13 15 MAURITIUS TELECOM 5713 41 294 34 Telkom SA Ltd 12455 39 6 3 Jambonet Autonomous system 33774 38 12 22 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 8524 30 2 6 AUCEGYPT Autonomous System 15804 27 2 1 AS of The Way Out Internet So 33776 25 2 9 Starcomms Nigeria Limited 10798 23 1 14 Standard Bank of South Africa Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1251 993 CHINANET-BACKBONE 4755 1055 991 Videsh Sanchar Nigam Ltd. Aut 18566 983 975 Covad Communications 9583 1043 925 Sify Limited 11492 863 850 Cable One 9498 895 832 BHARTI BT INTERNET LTD. 4323 1057 758 Time Warner Telecom 22773 709 669 Cox Communications, Inc. 19262 789 608 Verizon Global Networks 8151 782 577 UniNet S.A. de C.V. 17488 565 544 Hathway IP Over Cable Interne 5668 546 527 CenturyTel Internet Holdings, 6197 1018 517 BellSouth Network Solutions, 19916 567 510 OLM LLC 721 779 487 DLA Systems Automation Center 7545 554 480 TPG Internet Pty Ltd 18101 493 470 Reliance Infocom Ltd Internet 855 538 465 Canadian Research Network 11830 482 463 Instituto Costarricense de El 15270 494 460 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65124 PRIVATE 193.110.52.0/24 24652 Juniper Networks, Eu 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 192.0.10.0/24 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 192.172.0.0/19 721 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 /9:10 /10:13 /11:30 /12:113 /13:228 /14:405 /15:798 /16:9091 /17:3640 /18:5901 /19:12803 /20:14453 /21:12863 /22:16392 /23:17890 /24:110104 /25:628 /26:459 /27:358 /28:70 /29:43 /30:87 /31:0 /32:23 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 966 983 Covad Communications 9583 872 1043 Sify Limited 11492 849 863 Cable One 7018 831 1540 AT&T WorldNet Services 2386 827 1110 AT&T Data Communications Serv 6197 794 1018 BellSouth Network Solutions, 23577 758 772 KRNIC 7011 592 687 Citizens Utilities 19916 562 567 OLM LLC 4766 561 752 Korea Telecom (KIX) 9498 559 895 BHARTI BT INTERNET LTD. 4755 511 1055 Videsh Sanchar Nigam Ltd. Aut 15270 464 494 PaeTec.net -a division of Pae 855 435 538 Canadian Research Network 18101 427 493 Reliance Infocom Ltd Internet 5668 419 546 CenturyTel Internet Holdings, 1239 409 827 Sprint 17849 397 411 Telecommunications Technology 33588 396 418 Bresnan Communications, LLC. 17488 388 565 Hathway IP Over Cable Interne Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:61 9:1 12:1653 13:1 15:15 16:3 17:3 18:5 20:34 24:854 25:1 32:55 38:273 40:57 41:55 44:2 47:10 52:4 53:1 55:1 56:3 57:25 58:269 59:354 60:221 61:971 62:1055 63:1898 64:3189 65:2297 66:3103 67:692 68:655 69:1697 70:403 71:114 72:1104 74:120 75:49 76:16 80:814 81:759 82:656 83:390 84:453 85:770 86:404 87:455 88:255 89:713 90:1 91:106 97:1 121:111 122:43 123:7 124:510 125:736 128:303 129:219 130:133 131:317 132:48 133:9 134:177 135:43 136:180 137:114 138:189 139:51 140:528 141:134 142:347 143:213 144:262 145:67 146:320 147:141 148:369 149:171 150:111 151:118 152:89 153:118 154:5 155:247 156:149 157:152 158:166 159:140 160:99 161:88 162:224 163:160 164:239 165:236 166:243 167:282 168:481 169:122 170:377 171:12 172:1 189:29 190:305 192:5730 193:3613 194:2866 195:2169 196:927 198:3766 199:3272 200:4553 201:943 202:7030 203:7216 204:3959 205:2093 206:2431 207:2910 208:2370 209:3581 210:2239 211:880 212:1327 213:1442 214:385 215:39 216:4091 217:1156 218:338 219:254 220:829 221:381 222:269 End of report Report Website: http://thyme.apnic.net