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 21 Oct, 2006 Analysis Summary ---------------- BGP routing table entries examined: 201334 Prefixes after maximum aggregation: 109102 Unique aggregates announced to Internet: 97770 Total ASes present in the Internet Routing Table: 23416 Origin-only ASes present in the Internet Routing Table: 20395 Origin ASes announcing only one prefix: 9805 Transit ASes present in the Internet Routing Table: 3021 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: 29 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1617532396 Equivalent to 96 /8s, 105 /16s and 149 /24s Percentage of available address space announced: 43.6 Percentage of allocated address space announced: 60.4 Percentage of available address space allocated: 72.3 Total number of prefixes smaller than registry allocations: 101236 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 44030 Total APNIC prefixes after maximum aggregation: 17663 Prefixes being announced from the APNIC address blocks: 41627 Unique aggregates announced from the APNIC address blocks: 18399 APNIC Region origin ASes present in the Internet Routing Table: 2728 APNIC Region origin ASes announcing only one prefix: 758 APNIC Region transit ASes present in the Internet Routing Table: 407 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 263632480 Equivalent to 15 /8s, 182 /16s and 182 /24s Percentage of available APNIC address space announced: 82.4 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, 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: 100962 Total ARIN prefixes after maximum aggregation: 59591 Prefixes being announced from the ARIN address blocks: 74203 Unique aggregates announced from the ARIN address blocks: 28015 ARIN Region origin ASes present in the Internet Routing Table: 11064 ARIN Region origin ASes announcing only one prefix: 4212 ARIN Region transit ASes present in the Internet Routing Table: 1029 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 305281152 Equivalent to 18 /8s, 50 /16s and 56 /24s Percentage of available ARIN address space announced: 67.4 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: 41023 Total RIPE prefixes after maximum aggregation: 27039 Prefixes being announced from the RIPE address blocks: 37943 Unique aggregates announced from the RIPE address blocks: 25364 RIPE Region origin ASes present in the Internet Routing Table: 8651 RIPE Region origin ASes announcing only one prefix: 4548 RIPE Region transit ASes present in the Internet Routing Table: 1398 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 268852484 Equivalent to 16 /8s, 6 /16s and 93 /24s Percentage of available RIPE address space announced: 72.8 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: 12970 Total LACNIC prefixes after maximum aggregation: 3883 Prefixes being announced from the LACNIC address blocks: 10958 Unique aggregates announced from the LACNIC address blocks: 6714 LACNIC Region origin ASes present in the Internet Routing Table: 736 LACNIC Region origin ASes announcing only one prefix: 241 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: 17 Number of LACNIC addresses announced to Internet: 33481216 Equivalent to 1 /8s, 254 /16s and 226 /24s Percentage of available LACNIC address space announced: 49.9 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: 2347 Total AfriNIC prefixes after maximum aggregation: 926 Prefixes being announced from the AfriNIC address blocks: 1648 Unique aggregates announced from the AfriNIC address blocks: 1091 AfriNIC Region origin ASes present in the Internet Routing Table: 163 AfriNIC Region origin ASes announcing only one prefix: 46 AfriNIC Region transit ASes present in the Internet Routing Table: 27 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4310272 Equivalent to 0 /8s, 65 /16s and 197 /24s Percentage of available AfriNIC address space announced: 12.8 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 1242 8288 239 CHINANET-BACKBONE 4755 1010 255 64 Videsh Sanchar Nigam Ltd. Aut 9583 952 109 15 Sify Limited 9498 862 212 64 BHARTI BT INTERNET LTD. 4766 736 4436 307 Korea Telecom (KIX) 1221 609 1780 468 Telstra Pty Ltd 7545 542 124 74 TPG Internet Pty Ltd 17488 538 33 13 Hathway IP Over Cable Interne 17676 500 10934 64 Softbank BB Corp. 18101 462 86 21 Reliance Infocom Ltd Internet 9443 454 111 74 Primus Telecommunications 17849 430 36 126 Telecommunications Technology 9942 429 77 125 COMindico Australia 4802 413 86 150 Wantree Development 4812 413 741 63 China Telecom (Shanghai) 17557 367 31 178 Pakistan Telecom 17974 365 129 12 PT TELEKOMUNIKASI INDONESIA 10139 354 23 6 Meridian Telekoms 2907 333 1733 310 SINET Japan 4837 324 3556 140 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1531 6210 989 AT&T WorldNet Services 2386 1180 618 752 AT&T Data Communications Serv 4323 1033 786 291 Time Warner Telecom 6197 1021 636 483 BellSouth Network Solutions, 18566 968 272 8 Covad Communications 174 960 6823 885 Cogent Communications 721 959 21925 306 DLA Systems Automation Center 701 955 6755 775 UUNET Technologies, Inc. 1239 842 2763 591 Sprint 19262 760 2410 177 Verizon Global Networks 11492 755 90 16 Cable One 20115 753 676 397 Charter Communications 22773 720 1744 46 Cox Communications, Inc. 209 707 3633 556 Qwest 7011 683 210 428 Citizens Utilities 852 592 1071 388 Telus Advanced Communications 19916 565 49 54 OLM LLC 855 539 250 74 Canadian Research Network 5668 538 145 18 CenturyTel Internet Holdings, 6478 534 1289 338 AT&T Worldnet Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 544 1928 424 UUNET - Commercial IP service 3301 313 1200 297 TeliaNet Sweden 3320 306 5016 247 Deutsche Telekom AG 8220 280 455 266 COLT Telecommunications 24863 273 41 30 LINKdotNET AS number 12715 263 40 29 Jazz Telecom S.A. 680 251 2041 247 DFN-IP service G-WiN 6746 246 91 224 Dynamic Network Technologies, 3246 228 469 218 Song Networks 9116 223 134 23 Goldenlines main autonomous s 8708 222 279 209 Romania Data Systems S.A. 8551 216 198 28 Bezeq International 3215 214 1872 93 France Telecom Transpac 1257 213 740 169 SWIPnet Swedish IP Network 30890 205 18 79 SC Kappa Invexim SRL 3269 204 2277 74 TELECOM ITALIA 6830 200 879 43 UPC Distribution Services 5416 186 12 11 BATELCO-BH 8866 184 37 15 Bulgarian Telecommunication C 3300 175 171 96 AUCS Communications Services LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 723 1890 224 UniNet S.A. de C.V. 11830 459 299 27 Instituto Costarricense de El 11172 432 100 87 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 303 206 11 VTR PUNTO NET S.A. 6471 267 74 30 ENTEL CHILE S.A. 6147 264 142 22 Telefonica Del Peru 14117 235 15 8 Telefonica del Sur S.A. 7303 209 93 28 Telecom Argentina Stet-France 6503 187 169 86 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 21826 145 19 30 INTERCABLE 7910 138 9 11 ANDINET ON LINE 19169 136 9 21 Telconet 19429 136 84 40 E.T.B. 23216 135 19 43 RAMtelecom Telecomunicaciones 11556 132 96 4 Cable-Wireless Panama 18822 129 8 10 TELEFONICA MANQUEHUE 14522 118 18 9 SatNet S.A. 7738 115 410 20 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 294 804 233 The Internet Solution 8452 173 60 7 TEDATA 6713 145 139 12 Itissalat Al-MAGHRIB 15475 133 84 4 Nile Online 2018 132 297 111 Tertiary Education Network 5536 122 8 17 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 108 6 3 EEPAD TISP TELECOM & INTERNET 2905 75 157 68 The Internetworking Company o 2561 55 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 12455 39 6 3 Jambonet Autonomous system 5713 36 293 32 Telkom SA Ltd 33774 35 7 21 AS Number for Telecom Algeria 8524 30 2 6 AUCEGYPT Autonomous System 23889 28 9 13 MAURITIUS TELECOM 21280 26 4 4 Swift Global Kenya Ltd.Is an 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 Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1242 1003 CHINANET-BACKBONE 18566 968 960 Covad Communications 4755 1010 946 Videsh Sanchar Nigam Ltd. Aut 9583 952 937 Sify Limited 9498 862 798 BHARTI BT INTERNET LTD. 4323 1033 742 Time Warner Telecom 11492 755 739 Cable One 22773 720 674 Cox Communications, Inc. 721 959 653 DLA Systems Automation Center 19262 760 583 Verizon Global Networks 6197 1021 538 BellSouth Network Solutions, 17488 538 525 Hathway IP Over Cable Interne 5668 538 520 CenturyTel Internet Holdings, 19916 565 511 OLM LLC 8151 723 499 UniNet S.A. de C.V. 7545 542 468 TPG Internet Pty Ltd 855 539 465 Canadian Research Network 18101 462 441 Reliance Infocom Ltd Internet 17676 500 436 Softbank BB Corp. 15270 472 435 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65500 PRIVATE 64.141.136.0/24 26554 US Signal 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 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 /8:19 /9:10 /10:13 /11:29 /12:107 /13:214 /14:386 /15:774 /16:9017 /17:3502 /18:5722 /19:12500 /20:14094 /21:12439 /22:15810 /23:17239 /24:108114 /25:461 /26:435 /27:195 /28:72 /29:47 /30:98 /31:0 /32:37 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 951 968 Covad Communications 2386 893 1180 AT&T Data Communications Serv 7018 808 1531 AT&T WorldNet Services 6197 801 1021 BellSouth Network Solutions, 9583 780 952 Sify Limited 11492 743 755 Cable One 7011 590 683 Citizens Utilities 19916 559 565 OLM LLC 4766 546 736 Korea Telecom (KIX) 9498 522 862 BHARTI BT INTERNET LTD. 4755 442 1010 Videsh Sanchar Nigam Ltd. Aut 15270 441 472 PaeTec.net -a division of Pae 855 434 539 Canadian Research Network 5668 420 538 CenturyTel Internet Holdings, 17849 416 430 Telecommunications Technology 1239 414 842 Sprint 18101 395 462 Reliance Infocom Ltd Internet 22773 380 720 Cox Communications, Inc. 33588 370 391 Bresnan Communications, LLC. 6517 358 385 Yipes Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:7 6:1 8:54 12:1638 13:1 15:16 16:3 17:3 18:4 20:37 24:819 25:1 32:57 38:257 40:57 41:23 44:3 47:7 52:4 53:1 55:1 56:3 57:25 58:228 59:303 60:217 61:928 62:1119 63:1867 64:3135 65:2239 66:3053 67:653 68:649 69:1671 70:404 71:92 72:985 74:89 75:9 80:837 81:710 82:625 83:389 84:407 85:681 86:412 87:473 88:230 89:573 91:27 121:58 122:18 124:421 125:667 128:281 129:225 130:123 131:314 132:35 133:9 134:166 135:50 136:177 137:110 138:184 139:47 140:526 141:131 142:343 143:192 144:241 145:43 146:320 147:138 148:369 149:176 150:115 151:121 152:80 153:121 154:5 155:256 156:160 157:163 158:152 159:172 160:99 161:86 162:215 163:177 164:238 165:235 166:239 167:273 168:486 169:128 170:383 171:11 172:1 189:4 190:250 192:5748 193:3521 194:2741 195:2105 196:895 198:3876 199:3321 200:4547 201:922 202:6945 203:7137 204:3924 205:2120 206:2437 207:2988 208:2301 209:3506 210:2184 211:876 212:1336 213:1494 214:376 215:39 216:4068 217:1137 218:340 219:261 220:795 221:382 222:231 End of report Report Website: http://thyme.apnic.net