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 04 Aug, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/08/04/0400 Analysis Summary ---------------- BGP routing table entries examined: 227298 Prefixes after maximum aggregation: 119323 Deaggregation factor: 1.90 Unique aggregates announced to Internet: 110484 Total ASes present in the Internet Routing Table: 25850 Prefixes per ASN: 8.79 Origin-only ASes present in the Internet Routing Table: 22525 Origin ASes announcing only one prefix: 10999 Transit ASes present in the Internet Routing Table: 3325 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: 21 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 8 Unregistered ASNs in the Routing Table: 4 Prefixes from 32-bit ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1743111648 Equivalent to 103 /8s, 229 /16s and 197 /24s Percentage of available address space announced: 47.0 Percentage of allocated address space announced: 61.6 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 119891 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 53242 Total APNIC prefixes after maximum aggregation: 20681 APNIC Deaggregation factor: 2.57 Prefixes being announced from the APNIC address blocks: 50181 Unique aggregates announced from the APNIC address blocks: 22059 APNIC Region origin ASes present in the Internet Routing Table: 3024 APNIC Prefixes per ASN: 16.59 APNIC Region origin ASes announcing only one prefix: 814 APNIC Region transit ASes present in the Internet Routing Table: 461 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 306088608 Equivalent to 18 /8s, 62 /16s and 138 /24s Percentage of available APNIC address space announced: 75.8 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, 116/6, 120/6, 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: 107633 Total ARIN prefixes after maximum aggregation: 62571 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 79239 Unique aggregates announced from the ARIN address blocks: 31555 ARIN Region origin ASes present in the Internet Routing Table: 11715 ARIN Prefixes per ASN: 6.76 ARIN Region origin ASes announcing only one prefix: 4524 ARIN Region transit ASes present in the Internet Routing Table: 1072 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 341376000 Equivalent to 20 /8s, 88 /16s and 252 /24s Percentage of available ARIN address space announced: 75.4 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: 47791 Total RIPE prefixes after maximum aggregation: 30676 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 44142 Unique aggregates announced from the RIPE address blocks: 29072 RIPE Region origin ASes present in the Internet Routing Table: 9997 RIPE Prefixes per ASN: 4.42 RIPE Region origin ASes announcing only one prefix: 5327 RIPE Region transit ASes present in the Internet Routing Table: 1581 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 323531264 Equivalent to 19 /8s, 72 /16s and 178 /24s Percentage of available RIPE address space announced: 74.2 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 40960-44031 RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 16002 Total LACNIC prefixes after maximum aggregation: 4357 LACNIC Deaggregation factor: 3.67 Prefixes being announced from the LACNIC address blocks: 14062 Unique aggregates announced from the LACNIC address blocks: 7787 LACNIC Region origin ASes present in the Internet Routing Table: 835 LACNIC Prefixes per ASN: 16.84 LACNIC Region origin ASes announcing only one prefix: 271 LACNIC Region transit ASes present in the Internet Routing Table: 140 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 41377024 Equivalent to 2 /8s, 119 /16s and 93 /24s Percentage of available LACNIC address space announced: 61.7 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: 2619 Total AfriNIC prefixes after maximum aggregation: 1028 AfriNIC Deaggregation factor: 2.55 Prefixes being announced from the AfriNIC address blocks: 2164 Unique aggregates announced from the AfriNIC address blocks: 1293 AfriNIC Region origin ASes present in the Internet Routing Table: 200 AfriNIC Prefixes per ASN: 10.82 AfriNIC Region origin ASes announcing only one prefix: 63 AfriNIC Region transit ASes present in the Internet Routing Table: 31 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 6375680 Equivalent to 0 /8s, 97 /16s and 73 /24s Percentage of available AfriNIC address space announced: 19.0 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 1369 11014 286 CHINANET-BACKBONE 4755 1311 382 71 Videsh Sanchar Nigam Ltd. Aut 9583 1122 80 399 Sify Limited 9498 1008 533 69 BHARTI BT INTERNET LTD. 4766 796 4930 316 Korea Telecom (KIX) 23577 788 34 685 Korea Telecom (ATM-MPLS) 17488 738 48 58 Hathway IP Over Cable Interne 7545 696 146 117 TPG Internet Pty Ltd 18101 578 117 41 Reliance Infocom Ltd Internet 1221 549 1951 427 Telstra Pty Ltd 4812 530 915 96 China Telecom (Shanghai) 4668 512 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 4808 479 768 110 CNCGROUP IP network: China169 9443 471 122 77 Primus Telecommunications 7474 415 218 269 SingTel Optus Pty Ltd 4802 414 108 153 Wantree Development 17974 363 130 13 PT TELEKOMUNIKASI INDONESIA 9829 362 258 14 BSNL National Internet Backbo 4837 352 4944 164 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1475 6075 999 AT&T WorldNet Services 4323 1326 1020 370 Time Warner Telecom 2386 1192 614 739 AT&T Data Communications Serv 11492 1115 109 15 Cable One 6478 1104 319 206 AT&T Worldnet Services 6197 1028 717 509 BellSouth Network Solutions, 18566 1017 288 9 Covad Communications 174 965 6776 855 Cogent Communications 701 939 6546 716 UUNET Technologies, Inc. 7011 899 258 545 Citizens Utilities 1239 814 2742 580 Sprint 20115 806 740 431 Charter Communications 19262 768 2765 187 Verizon Global Networks 22773 750 2148 49 Cox Communications, Inc. 209 748 3871 593 Qwest 5668 627 171 23 CenturyTel Internet Holdings, 6517 576 161 37 Yipes Communications, Inc. 855 575 254 73 Canadian Research Network 852 573 1093 364 Telus Advanced Communications 6198 569 613 259 BellSouth Network Solutions, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2119 515 1075 138 Telenor Internet Access 702 503 1922 404 UUNET - Commercial IP service 24863 361 56 41 LINKdotNET AS number 9116 323 168 26 Goldenlines main autonomous s 3320 313 6035 259 Deutsche Telekom AG 3301 312 1456 292 TeliaNet Sweden 6746 287 130 263 Dynamic Network Technologies, 5089 268 1658 53 NTL Group Limited 680 264 2044 255 DFN-IP service G-WiN 8220 260 445 243 COLT Telecommunications 3215 255 2376 96 France Telecom Transpac 8708 252 420 241 Romania Data Systems S.A. 3352 224 1864 41 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 8551 215 212 27 Bezeq International 9121 210 1441 24 TTnet Autonomous System 1257 194 1195 172 SWIPnet Swedish IP Network 3292 194 1379 174 TDC Tele Danmark 12479 192 578 6 Uni2 Autonomous System 3246 185 253 176 Song Networks LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 885 1957 212 UniNet S.A. de C.V. 11830 483 299 9 Instituto Costarricense de El 16814 426 26 9 NSS, S.A. 11172 377 116 63 Servicios Alestra S.A de C.V 14522 334 28 7 SatNet S.A. 7303 318 152 39 Telecom Argentina Stet-France 22047 318 246 13 VTR PUNTO NET S.A. 6471 312 75 31 ENTEL CHILE S.A. 14117 281 19 15 Telefonica del Sur S.A. 10481 261 104 9 Prima S.A. 11556 229 128 3 Cable-Wireless Panama 6147 226 174 26 Telefonica Del Peru 10620 217 61 19 TVCABLE BOGOTA 6503 203 172 85 AVANTEL, S.A. 23216 196 16 43 RAMtelecom Telecomunicaciones 8163 177 11 6 METROTEL REDES S.A. 20299 164 24 22 NEWCOM AMERICAS 7738 159 506 23 Telecomunicacoes da Bahia S.A 7910 159 11 28 ANDINET ON LINE 19169 157 10 23 Telconet AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 282 867 223 The Internet Solution 8452 227 188 7 TEDATA 6713 142 135 11 Itissalat Al-MAGHRIB 2018 138 301 115 Tertiary Education Network 33783 126 8 11 EEPAD TISP TELECOM & INTERNET 5536 124 8 10 Internet Egypt Network 24835 89 48 6 RAYA Telecom - Egypt 15475 77 84 4 Nile Online 2905 75 174 72 The Internetworking Company o 2561 62 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 23889 52 24 15 MAURITIUS TELECOM 5713 46 294 36 Telkom SA Ltd 33774 46 29 24 AS Number for Telecom Algeria 33776 38 2 4 Starcomms Nigeria Limited 16637 37 21 29 Johnnic e-Ventures 8524 32 2 8 AUCEGYPT Autonomous System 12455 30 6 3 Jambonet Autonomous system 21280 29 4 4 Swift Global Kenya Ltd.Is an 10798 24 2 15 Standard Bank of South Africa Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1311 1240 Videsh Sanchar Nigam Ltd. Aut 11492 1115 1100 Cable One 4134 1369 1083 CHINANET-BACKBONE 18566 1017 1008 Covad Communications 4323 1326 956 Time Warner Telecom 9498 1008 939 BHARTI BT INTERNET LTD. 6478 1104 898 AT&T Worldnet Services 9583 1122 723 Sify Limited 22773 750 701 Cox Communications, Inc. 17488 738 680 Hathway IP Over Cable Interne 8151 885 673 UniNet S.A. de C.V. 5668 627 604 CenturyTel Internet Holdings, 19262 768 581 Verizon Global Networks 7545 696 579 TPG Internet Pty Ltd 6517 576 539 Yipes Communications, Inc. 18101 578 537 Reliance Infocom Ltd Internet 15270 565 528 PaeTec.net -a division of Pae 6197 1028 519 BellSouth Network Solutions, 19916 568 517 OLM LLC 855 575 502 Canadian Research Network List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 64513 PRIVATE 63.171.234.0/26 1803 SPRINT 64513 PRIVATE 63.171.234.64/26 1803 SPRINT 64513 PRIVATE 63.171.234.128/26 1803 SPRINT 64513 PRIVATE 63.171.234.192/26 1803 SPRINT 38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE 38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE 65535 PRIVATE 193.203.218.0/23 38931 Traffic-Media 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 7.1.1.0/24 1239 Sprint 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 192.153.136.0/21 721 DLA Systems Automation Center 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 /8:18 /9:9 /10:15 /11:36 /12:130 /13:256 /14:468 /15:903 /16:9568 /17:4025 /18:6558 /19:13834 /20:16097 /21:14649 /22:18989 /23:19907 /24:119486 /25:765 /26:1011 /27:485 /28:76 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1106 1115 Cable One 6478 1103 1104 AT&T Worldnet Services 18566 999 1017 Covad Communications 9583 964 1122 Sify Limited 2386 886 1192 AT&T Data Communications Serv 7018 809 1475 AT&T WorldNet Services 7011 797 899 Citizens Utilities 6197 782 1028 BellSouth Network Solutions, 23577 779 788 Korea Telecom (ATM-MPLS) 4755 702 1311 Videsh Sanchar Nigam Ltd. Aut 9498 678 1008 BHARTI BT INTERNET LTD. 4766 595 796 Korea Telecom (KIX) 19916 563 568 OLM LLC 17488 561 738 Hathway IP Over Cable Interne 4323 558 1326 Time Warner Telecom 6517 541 576 Yipes Communications, Inc. 15270 530 565 PaeTec.net -a division of Pae 4668 502 512 LG-EDS Systems Inc. 5668 492 627 CenturyTel Internet Holdings, 18101 490 578 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 7:1 8:84 9:1 12:1795 15:19 16:3 17:3 18:12 20:37 24:925 25:1 32:57 33:3 38:342 40:60 41:230 44:2 47:4 52:4 55:3 56:3 57:25 58:468 59:381 60:345 61:997 62:886 63:1991 64:3136 65:2349 66:3312 67:757 68:627 69:1929 70:446 71:103 72:1375 73:2 74:595 75:256 76:87 77:265 78:27 80:830 81:827 82:671 83:374 84:550 85:851 86:339 87:456 88:289 89:951 90:13 91:453 97:6 98:4 116:270 117:90 121:252 122:579 123:141 124:873 125:971 128:291 129:212 130:140 131:362 132:54 133:9 134:193 135:39 136:184 137:81 138:149 139:71 140:494 141:172 142:378 143:236 144:284 145:46 146:325 147:120 148:403 149:143 150:111 151:160 152:90 153:122 154:2 155:257 156:157 157:212 158:158 159:165 160:108 161:95 162:217 163:181 164:470 165:395 166:283 167:293 168:507 169:121 170:411 171:22 172:1 189:70 190:915 192:5756 193:3948 194:3170 195:2262 196:973 198:3802 199:3281 200:5041 201:1153 202:7384 203:7565 204:3942 205:1956 206:2417 207:2802 208:2740 209:3473 210:2418 211:966 212:1286 213:1460 214:414 215:40 216:3989 217:1164 218:353 219:384 220:1013 221:412 222:267 End of report