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 18 Nov, 2006 Analysis Summary ---------------- BGP routing table entries examined: 203977 Prefixes after maximum aggregation: 110635 Unique aggregates announced to Internet: 99054 Total ASes present in the Internet Routing Table: 23714 Origin-only ASes present in the Internet Routing Table: 20668 Origin ASes announcing only one prefix: 9968 Transit ASes present in the Internet Routing Table: 3046 Transit-only ASes present in the Internet Routing Table: 82 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 29 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 1 Unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 7 Number of addresses announced to Internet: 1636930476 Equivalent to 97 /8s, 145 /16s and 147 /24s Percentage of available address space announced: 44.2 Percentage of allocated address space announced: 62.7 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 103463 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 45034 Total APNIC prefixes after maximum aggregation: 18334 Prefixes being announced from the APNIC address blocks: 42613 Unique aggregates announced from the APNIC address blocks: 18655 APNIC Region origin ASes present in the Internet Routing Table: 2761 APNIC Region origin ASes announcing only one prefix: 779 APNIC Region transit ASes present in the Internet Routing Table: 411 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 269241056 Equivalent to 16 /8s, 12 /16s and 74 /24s Percentage of available APNIC address space announced: 84.2 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: 101463 Total ARIN prefixes after maximum aggregation: 59963 Prefixes being announced from the ARIN address blocks: 74702 Unique aggregates announced from the ARIN address blocks: 28353 ARIN Region origin ASes present in the Internet Routing Table: 11159 ARIN Region origin ASes announcing only one prefix: 4256 ARIN Region transit ASes present in the Internet Routing Table: 1032 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 310888832 Equivalent to 18 /8s, 135 /16s and 201 /24s Percentage of available ARIN address space announced: 68.6 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: 41751 Total RIPE prefixes after maximum aggregation: 27478 Prefixes being announced from the RIPE address blocks: 38656 Unique aggregates announced from the RIPE address blocks: 25768 RIPE Region origin ASes present in the Internet Routing Table: 8794 RIPE Region origin ASes announcing only one prefix: 4639 RIPE Region transit ASes present in the Internet Routing Table: 1412 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 276008708 Equivalent to 16 /8s, 115 /16s and 143 /24s Percentage of available RIPE address space announced: 74.8 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: 13339 Total LACNIC prefixes after maximum aggregation: 3928 Prefixes being announced from the LACNIC address blocks: 11292 Unique aggregates announced from the LACNIC address blocks: 6919 LACNIC Region origin ASes present in the Internet Routing Table: 751 LACNIC Region origin ASes announcing only one prefix: 246 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: 17 Number of LACNIC addresses announced to Internet: 34189056 Equivalent to 2 /8s, 9 /16s and 175 /24s Percentage of available LACNIC address space announced: 50.9 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: 2389 Total AfriNIC prefixes after maximum aggregation: 932 Prefixes being announced from the AfriNIC address blocks: 1656 Unique aggregates announced from the AfriNIC address blocks: 1052 AfriNIC Region origin ASes present in the Internet Routing Table: 167 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 27 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4487168 Equivalent to 0 /8s, 68 /16s and 120 /24s Percentage of available AfriNIC address space announced: 13.4 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 1231 8533 248 CHINANET-BACKBONE 4755 1032 384 67 Videsh Sanchar Nigam Ltd. Aut 9583 935 109 15 Sify Limited 9498 884 212 64 BHARTI BT INTERNET LTD. 23577 772 35 702 KRNIC 4766 743 4945 305 Korea Telecom (KIX) 1221 584 1714 449 Telstra Pty Ltd 17488 552 34 18 Hathway IP Over Cable Interne 7545 547 124 73 TPG Internet Pty Ltd 17676 500 10934 64 Softbank BB Corp. 18101 482 86 21 Reliance Infocom Ltd Internet 9443 443 111 74 Primus Telecommunications 9942 440 82 132 COMindico Australia 4812 439 749 63 China Telecom (Shanghai) 17849 430 36 126 Telecommunications Technology 4802 411 86 151 Wantree Development 17974 369 129 12 PT TELEKOMUNIKASI INDONESIA 17557 368 32 179 Pakistan Telecom 2907 333 1749 310 SINET Japan 4837 320 3553 138 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1545 6188 980 AT&T WorldNet Services 2386 1109 570 738 AT&T Data Communications Serv 4323 1038 804 298 Time Warner Telecom 6197 1023 626 496 BellSouth Network Solutions, 18566 977 272 8 Covad Communications 701 948 6706 772 UUNET Technologies, Inc. 174 945 6822 870 Cogent Communications 721 846 21922 302 DLA Systems Automation Center 1239 838 2731 585 Sprint 20115 834 687 413 Charter Communications 11492 806 98 15 Cable One 19262 784 2436 177 Verizon Global Networks 22773 714 1743 41 Cox Communications, Inc. 209 709 3761 553 Qwest 7011 691 213 431 Citizens Utilities 852 592 1084 386 Telus Advanced Communications 19916 567 48 57 OLM LLC 5668 550 161 19 CenturyTel Internet Holdings, 6198 548 526 255 BellSouth Network Solutions, 855 540 250 74 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 553 1929 431 UUNET - Commercial IP service 3301 313 1200 296 TeliaNet Sweden 3320 298 4992 246 Deutsche Telekom AG 24863 286 44 27 LINKdotNET AS number 8220 272 472 262 COLT Telecommunications 6746 259 92 236 Dynamic Network Technologies, 680 250 2041 246 DFN-IP service G-WiN 3246 230 459 219 Song Networks 9116 228 134 23 Goldenlines main autonomous s 8708 221 279 208 Romania Data Systems S.A. 3215 219 1964 93 France Telecom Transpac 1257 218 1073 172 SWIPnet Swedish IP Network 8551 215 198 30 Bezeq International 3269 208 2357 75 TELECOM ITALIA 30890 194 17 83 SC Kappa Invexim SRL 5416 188 13 13 BATELCO-BH 3300 176 171 95 AUCS Communications Services 6830 173 695 38 UPC Distribution Services 786 171 1779 171 The JANET IP Service 3352 168 1703 31 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 759 1921 208 UniNet S.A. de C.V. 11830 484 299 19 Instituto Costarricense de El 11172 400 101 89 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 6471 266 74 30 ENTEL CHILE S.A. 14117 254 16 13 Telefonica del Sur S.A. 6147 223 150 23 Telefonica Del Peru 7303 214 96 38 Telecom Argentina Stet-France 6503 209 170 94 AVANTEL, S.A. 11556 195 96 4 Cable-Wireless Panama 10481 181 72 8 Prima S.A. 21826 151 20 34 INTERCABLE 23216 143 19 43 RAMtelecom Telecomunicaciones 19169 139 9 22 Telconet 19429 135 84 34 E.T.B. 14522 130 20 13 SatNet S.A. 18822 129 8 10 TELEFONICA MANQUEHUE 7910 127 9 35 ANDINET ON LINE 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 293 804 233 The Internet Solution 8452 186 60 9 TEDATA 15475 153 84 4 Nile Online 6713 145 139 12 Itissalat Al-MAGHRIB 2018 133 297 111 Tertiary Education Network 5536 122 8 17 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 110 6 4 EEPAD TISP TELECOM & INTERNET 2905 78 173 71 The Internetworking Company o 2561 56 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 12455 40 6 3 Jambonet Autonomous system 5713 36 293 32 Telkom SA Ltd 33774 34 8 21 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 8524 31 2 5 AUCEGYPT Autonomous System 23889 30 9 12 MAURITIUS TELECOM 21280 26 4 4 Swift Global Kenya Ltd.Is an 10798 23 1 14 Standard Bank of South Africa 33766 21 2 1 Nyala Communications Pty Ltd Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1231 983 CHINANET-BACKBONE 18566 977 969 Covad Communications 4755 1032 965 Videsh Sanchar Nigam Ltd. Aut 9583 935 920 Sify Limited 9498 884 820 BHARTI BT INTERNET LTD. 11492 806 791 Cable One 4323 1038 740 Time Warner Telecom 22773 714 673 Cox Communications, Inc. 19262 784 607 Verizon Global Networks 8151 759 551 UniNet S.A. de C.V. 721 846 544 DLA Systems Automation Center 17488 552 534 Hathway IP Over Cable Interne 5668 550 531 CenturyTel Internet Holdings, 6197 1023 527 BellSouth Network Solutions, 19916 567 510 OLM LLC 7545 547 474 TPG Internet Pty Ltd 855 540 466 Canadian Research Network 11830 484 465 Instituto Costarricense de El 18101 482 461 Reliance Infocom Ltd Internet 15270 485 451 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S 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 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 /12:110 /13:220 /14:398 /15:795 /16:9058 /17:3599 /18:5810 /19:12653 /20:14225 /21:12745 /22:16148 /23:17608 /24:108822 /25:661 /26:476 /27:359 /28:67 /29:41 /30:80 /31:0 /32:30 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 960 977 Covad Communications 2386 827 1109 AT&T Data Communications Serv 7018 822 1545 AT&T WorldNet Services 6197 802 1023 BellSouth Network Solutions, 11492 792 806 Cable One 9583 766 935 Sify Limited 23577 758 772 KRNIC 7011 596 691 Citizens Utilities 19916 562 567 OLM LLC 4766 554 743 Korea Telecom (KIX) 9498 535 884 BHARTI BT INTERNET LTD. 4755 462 1032 Videsh Sanchar Nigam Ltd. Aut 15270 455 485 PaeTec.net -a division of Pae 855 436 540 Canadian Research Network 5668 426 550 CenturyTel Internet Holdings, 1239 420 838 Sprint 17849 416 430 Telecommunications Technology 18101 415 482 Reliance Infocom Ltd Internet 6198 388 548 BellSouth Network Solutions, 33588 387 408 Bresnan Communications, LLC. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:61 9:1 12:1639 13:1 15:15 16:3 17:3 18:4 20:39 24:850 25:1 32:56 38:265 40:57 41:23 44:2 47:8 52:4 53:1 55:1 56:3 57:26 58:263 59:319 60:221 61:946 62:1060 63:1880 64:3164 65:2285 66:3050 67:658 68:657 69:1700 70:403 71:114 72:996 74:112 75:42 76:14 80:830 81:749 82:641 83:385 84:457 85:759 86:418 87:419 88:244 89:619 91:75 121:67 122:27 123:3 124:440 125:708 128:290 129:206 130:125 131:315 132:35 133:9 134:177 135:42 136:179 137:113 138:186 139:49 140:525 141:134 142:347 143:192 144:246 145:67 146:324 147:138 148:367 149:175 150:115 151:118 152:83 153:121 154:5 155:261 156:147 157:161 158:152 159:173 160:98 161:88 162:215 163:154 164:237 165:235 166:243 167:270 168:488 169:124 170:389 171:11 190:287 192:5745 193:3579 194:2779 195:2138 196:878 198:3779 199:3292 200:4576 201:954 202:6948 203:7152 204:3934 205:2089 206:2416 207:2896 208:2326 209:3556 210:2166 211:873 212:1372 213:1448 214:382 215:39 216:4130 217:1164 218:341 219:257 220:794 221:356 222:250 End of report Report Website: http://thyme.apnic.net