Weekly Routing Table Report
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 28 Oct, 2006 Analysis Summary ---------------- BGP routing table entries examined: 201588 Prefixes after maximum aggregation: 109278 Unique aggregates announced to Internet: 97948 Total ASes present in the Internet Routing Table: 23492 Origin-only ASes present in the Internet Routing Table: 20462 Origin ASes announcing only one prefix: 9840 Transit ASes present in the Internet Routing Table: 3030 Transit-only ASes present in the Internet Routing Table: 78 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: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1621962480 Equivalent to 96 /8s, 173 /16s and 46 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 60.5 Percentage of available address space allocated: 72.3 Total number of prefixes smaller than registry allocations: 101380 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 44214 Total APNIC prefixes after maximum aggregation: 17732 Prefixes being announced from the APNIC address blocks: 41802 Unique aggregates announced from the APNIC address blocks: 18547 APNIC Region origin ASes present in the Internet Routing Table: 2736 APNIC Region origin ASes announcing only one prefix: 762 APNIC Region transit ASes present in the Internet Routing Table: 413 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 265045600 Equivalent to 15 /8s, 204 /16s and 70 /24s Percentage of available APNIC address space announced: 82.9 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: 101164 Total ARIN prefixes after maximum aggregation: 59714 Prefixes being announced from the ARIN address blocks: 74325 Unique aggregates announced from the ARIN address blocks: 28105 ARIN Region origin ASes present in the Internet Routing Table: 11096 ARIN Region origin ASes announcing only one prefix: 4221 ARIN Region transit ASes present in the Internet Routing Table: 1034 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 307322752 Equivalent to 18 /8s, 81 /16s and 95 /24s Percentage of available ARIN address space announced: 67.8 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: 40878 Total RIPE prefixes after maximum aggregation: 27061 Prefixes being announced from the RIPE address blocks: 37833 Unique aggregates announced from the RIPE address blocks: 25312 RIPE Region origin ASes present in the Internet Routing Table: 8675 RIPE Region origin ASes announcing only one prefix: 4566 RIPE Region transit ASes present in the Internet Routing Table: 1395 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 269882372 Equivalent to 16 /8s, 22 /16s and 20 /24s Percentage of available RIPE address space announced: 73.1 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: 12989 Total LACNIC prefixes after maximum aggregation: 3842 Prefixes being announced from the LACNIC address blocks: 10964 Unique aggregates announced from the LACNIC address blocks: 6696 LACNIC Region origin ASes present in the Internet Routing Table: 743 LACNIC Region origin ASes announcing only one prefix: 244 LACNIC Region transit ASes present in the Internet Routing Table: 130 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 33581312 Equivalent to 2 /8s, 0 /16s and 105 /24s Percentage of available LACNIC address space announced: 50.0 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: 929 Prefixes being announced from the AfriNIC address blocks: 1607 Unique aggregates announced from the AfriNIC address blocks: 1070 AfriNIC Region origin ASes present in the Internet Routing Table: 164 AfriNIC Region origin ASes announcing only one prefix: 47 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: 4322048 Equivalent to 0 /8s, 65 /16s and 243 /24s Percentage of available AfriNIC address space announced: 12.9 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 1250 8392 243 CHINANET-BACKBONE 4755 1014 383 66 Videsh Sanchar Nigam Ltd. Aut 9583 941 109 15 Sify Limited 9498 863 212 64 BHARTI BT INTERNET LTD. 4766 739 4436 306 Korea Telecom (KIX) 1221 611 1780 469 Telstra Pty Ltd 7545 543 124 73 TPG Internet Pty Ltd 17488 542 34 14 Hathway IP Over Cable Interne 17676 500 10934 64 Softbank BB Corp. 18101 464 86 21 Reliance Infocom Ltd Internet 9443 454 111 74 Primus Telecommunications 4812 437 745 61 China Telecom (Shanghai) 9942 431 77 125 COMindico Australia 17849 430 36 126 Telecommunications Technology 4802 412 86 150 Wantree Development 17557 365 31 176 Pakistan Telecom 17974 365 129 12 PT TELEKOMUNIKASI INDONESIA 10139 362 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 1541 6210 995 AT&T WorldNet Services 2386 1186 620 756 AT&T Data Communications Serv 4323 1030 786 291 Time Warner Telecom 6197 1020 638 484 BellSouth Network Solutions, 18566 969 272 8 Covad Communications 721 962 21925 306 DLA Systems Automation Center 174 955 6822 880 Cogent Communications 701 952 6721 773 UUNET Technologies, Inc. 1239 847 2764 596 Sprint 11492 781 96 16 Cable One 19262 777 2430 178 Verizon Global Networks 20115 754 679 397 Charter Communications 22773 716 1744 46 Cox Communications, Inc. 209 707 3761 556 Qwest 7011 682 208 423 Citizens Utilities 852 592 1071 388 Telus Advanced Communications 19916 565 49 54 OLM LLC 855 539 250 74 Canadian Research Network 5668 539 145 18 CenturyTel Internet Holdings, 6478 533 1289 335 AT&T Worldnet Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 546 1928 425 UUNET - Commercial IP service 3301 314 1200 298 TeliaNet Sweden 3320 307 5016 248 Deutsche Telekom AG 24863 274 41 30 LINKdotNET AS number 8220 273 470 263 COLT Telecommunications 680 251 2041 247 DFN-IP service G-WiN 6746 246 91 223 Dynamic Network Technologies, 3246 227 469 217 Song Networks 9116 225 134 23 Goldenlines main autonomous s 8708 223 279 210 Romania Data Systems S.A. 3215 219 1952 92 France Telecom Transpac 8551 216 198 28 Bezeq International 1257 213 740 169 SWIPnet Swedish IP Network 3269 206 2341 74 TELECOM ITALIA 30890 205 18 78 SC Kappa Invexim SRL 6830 200 879 43 UPC Distribution Services 5416 187 12 12 BATELCO-BH 3300 175 171 95 AUCS Communications 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 749 1906 216 UniNet S.A. de C.V. 11830 460 299 19 Instituto Costarricense de El 11172 433 101 88 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 303 206 11 VTR PUNTO NET S.A. 6147 269 150 22 Telefonica Del Peru 6471 267 74 30 ENTEL CHILE S.A. 14117 240 15 10 Telefonica del Sur S.A. 7303 208 93 35 Telecom Argentina Stet-France 6503 195 169 86 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 21826 145 19 30 INTERCABLE 19169 136 9 21 Telconet 19429 136 84 40 E.T.B. 23216 135 19 43 RAMtelecom Telecomunicaciones 7910 134 9 23 ANDINET ON LINE 11556 132 96 4 Cable-Wireless Panama 18822 129 8 10 TELEFONICA MANQUEHUE 7738 119 442 21 Telecomunicacoes da Bahia S.A 14522 117 18 9 SatNet S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 295 804 234 The Internet Solution 8452 166 60 7 TEDATA 6713 145 139 12 Itissalat Al-MAGHRIB 2018 133 297 111 Tertiary Education Network 15475 133 84 4 Nile Online 5536 122 8 17 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 109 6 3 EEPAD TISP TELECOM & INTERNET 2905 75 157 68 The Internetworking Company o 2561 56 6 2 Egyptian Universities Network 15706 52 12 4 Sudatel Internet Exchange Aut 12455 39 6 3 Jambonet Autonomous system 5713 36 293 32 Telkom SA Ltd 33774 34 7 21 AS Number for Telecom Algeria 8524 30 2 6 AUCEGYPT Autonomous System 23889 29 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 21 17 2 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1250 1007 CHINANET-BACKBONE 18566 969 961 Covad Communications 4755 1014 948 Videsh Sanchar Nigam Ltd. Aut 9583 941 926 Sify Limited 9498 863 799 BHARTI BT INTERNET LTD. 11492 781 765 Cable One 4323 1030 739 Time Warner Telecom 22773 716 670 Cox Communications, Inc. 721 962 656 DLA Systems Automation Center 19262 777 599 Verizon Global Networks 6197 1020 536 BellSouth Network Solutions, 8151 749 533 UniNet S.A. de C.V. 17488 542 528 Hathway IP Over Cable Interne 5668 539 521 CenturyTel Internet Holdings, 19916 565 511 OLM LLC 7545 543 470 TPG Internet Pty Ltd 855 539 465 Canadian Research Network 15270 481 446 PaeTec.net -a division of Pae 18101 464 443 Reliance Infocom Ltd Internet 11830 460 441 Instituto Costarricense de El List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 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 /8:19 /9:10 /10:13 /11:29 /12:107 /13:216 /14:389 /15:779 /16:9046 /17:3513 /18:5749 /19:12615 /20:14125 /21:12489 /22:15857 /23:17261 /24:108018 /25:465 /26:371 /27:211 /28:71 /29:41 /30:152 /31:0 /32:42 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 952 969 Covad Communications 2386 897 1186 AT&T Data Communications Serv 7018 817 1541 AT&T WorldNet Services 6197 799 1020 BellSouth Network Solutions, 9583 770 941 Sify Limited 11492 767 781 Cable One 7011 590 682 Citizens Utilities 19916 559 565 OLM LLC 4766 549 739 Korea Telecom (KIX) 9498 523 863 BHARTI BT INTERNET LTD. 15270 450 481 PaeTec.net -a division of Pae 4755 445 1014 Videsh Sanchar Nigam Ltd. Aut 855 434 539 Canadian Research Network 1239 421 847 Sprint 5668 420 539 CenturyTel Internet Holdings, 17849 416 430 Telecommunications Technology 18101 397 464 Reliance Infocom Ltd Internet 22773 379 716 Cox Communications, Inc. 33588 370 391 Bresnan Communications, LLC. 17488 362 542 Hathway IP Over Cable Interne Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:7 6:1 8:54 12:1642 13:1 15:16 16:3 17:3 18:4 20:38 24:829 25:1 32:58 38:260 40:57 41:18 44:4 47:7 52:4 53:1 55:1 56:3 57:25 58:235 59:304 60:216 61:946 62:1017 63:1880 64:3096 65:2241 66:3057 67:651 68:653 69:1677 70:406 71:109 72:992 74:92 75:9 80:842 81:710 82:631 83:379 84:438 85:685 86:415 87:414 88:237 89:537 91:27 121:57 122:18 124:431 125:674 128:286 129:203 130:123 131:315 132:35 133:9 134:167 135:50 136:178 137:113 138:207 139:47 140:528 141:132 142:344 143:193 144:243 145:43 146:318 147:137 148:371 149:176 150:115 151:121 152:80 153:122 154:5 155:258 156:160 157:162 158:152 159:172 160:100 161:86 162:214 163:179 164:238 165:236 166:239 167:284 168:484 169:128 170:386 171:11 172:1 189:4 190:257 192:5750 193:3538 194:2745 195:2106 196:858 198:3888 199:3312 200:4524 201:934 202:6954 203:7121 204:3927 205:2104 206:2435 207:2954 208:2322 209:3535 210:2174 211:875 212:1342 213:1465 214:381 215:39 216:4074 217:1138 218:340 219:263 220:791 221:373 222:231 End of report Report Website: http://thyme.apnic.net
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