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 If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 15 Jul, 2006 Analysis Summary ---------------- BGP routing table entries examined: 192150 Prefixes after maximum aggregation: 105834 Unique aggregates announced to Internet: 93950 Total ASes present in the Internet Routing Table: 22658 Origin-only ASes present in the Internet Routing Table: 19705 Origin ASes announcing only one prefix: 9458 Transit ASes present in the Internet Routing Table: 2953 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 27 Max AS path prepend of ASN (34527) 16 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 2 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1551831208 Equivalent to 92 /8s, 127 /16s and 16 /24s Percentage of available address space announced: 41.9 Percentage of allocated address space announced: 60.6 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 94909 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 41543 Total APNIC prefixes after maximum aggregation: 17091 Prefixes being announced from the APNIC address blocks: 39251 Unique aggregates announced from the APNIC address blocks: 18426 APNIC Region origin ASes present in the Internet Routing Table: 2626 APNIC Region origin ASes announcing only one prefix: 746 APNIC Region transit ASes present in the Internet Routing Table: 396 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 239166816 Equivalent to 14 /8s, 65 /16s and 101 /24s Percentage of available APNIC address space announced: 74.8 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, 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: 97783 Total ARIN prefixes after maximum aggregation: 58246 Prefixes being announced from the ARIN address blocks: 71546 Unique aggregates announced from the ARIN address blocks: 27005 ARIN Region origin ASes present in the Internet Routing Table: 10836 ARIN Region origin ASes announcing only one prefix: 4082 ARIN Region transit ASes present in the Internet Routing Table: 1006 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 295972608 Equivalent to 17 /8s, 164 /16s and 47 /24s Percentage of available ARIN address space announced: 76.7 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, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 38589 Total RIPE prefixes after maximum aggregation: 25860 Prefixes being announced from the RIPE address blocks: 35657 Unique aggregates announced from the RIPE address blocks: 24048 RIPE Region origin ASes present in the Internet Routing Table: 8263 RIPE Region origin ASes announcing only one prefix: 4348 RIPE Region transit ASes present in the Internet Routing Table: 1359 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 260092740 Equivalent to 15 /8s, 128 /16s and 179 /24s Percentage of available RIPE address space announced: 81.6 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, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 11962 Total LACNIC prefixes after maximum aggregation: 3745 Prefixes being announced from the LACNIC address blocks: 10024 Unique aggregates announced from the LACNIC address blocks: 5664 LACNIC Region origin ASes present in the Internet Routing Table: 707 LACNIC Region origin ASes announcing only one prefix: 237 LACNIC Region transit ASes present in the Internet Routing Table: 131 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 31094272 Equivalent to 1 /8s, 218 /16s and 118 /24s Percentage of available LACNIC address space announced: 46.3 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: 2271 Total AfriNIC prefixes after maximum aggregation: 892 Prefixes being announced from the AfriNIC address blocks: 1527 Unique aggregates announced from the AfriNIC address blocks: 956 AfriNIC Region origin ASes present in the Internet Routing Table: 159 AfriNIC Region origin ASes announcing only one prefix: 45 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 11 Number of AfriNIC addresses announced to Internet: 4184832 Equivalent to 0 /8s, 63 /16s and 219 /24s Percentage of available AfriNIC address space announced: 12.5 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 1243 7528 233 CHINANET-BACKBONE 4755 967 257 74 Videsh Sanchar Nigam Ltd. Aut 9583 914 109 15 Sify Limited 9498 765 211 70 BHARTI BT INTERNET LTD. 4766 689 4435 303 Korea Telecom (KIX) 1221 610 1779 468 Telstra Pty Ltd 7545 551 124 74 TPG Internet Pty Ltd 17488 519 32 17 Hathway IP Over Cable Interne 17676 490 7093 110 Softbank BB Corp. 9443 452 111 83 Primus Telecommunications 18101 425 85 23 Reliance Infocom Ltd Internet 17974 406 129 14 PT TELEKOMUNIKASI INDONESIA 17849 396 28 123 Telecommunications Technology 17557 382 30 172 Pakistan Telecom 4802 379 81 168 Wantree Development 2907 336 1733 311 SINET Japan 9929 298 244 56 China Netcom Corp. 7474 295 211 229 SingTel Optus Pty Ltd 4837 288 3196 128 chinanet IDC center beijing n 10139 280 19 5 Meridian Telekoms ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1466 6246 941 AT&T WorldNet Services 721 1022 21934 309 DLA Systems Automation Center 6197 1012 635 478 BellSouth Network Solutions, 4323 966 746 271 Time Warner Telecom 174 959 5769 891 Cogent Communications 18566 946 272 8 Covad Communications 701 942 6753 777 UUNET Technologies, Inc. 2386 923 558 711 AT&T Data Communications Serv 1239 855 2786 605 Sprint 19262 722 2188 190 Verizon Global Networks 20115 716 621 382 Charter Communications 209 695 3663 548 Qwest 22773 674 1741 40 Cox Communications, Inc. 11492 657 89 11 Cable One 7011 648 218 412 Citizens Utilities 6198 598 568 236 BellSouth Network Solutions, 852 582 1084 381 Telus Advanced Communications 855 573 247 74 Canadian Research Network 19916 563 49 54 OLM LLC 5668 533 147 23 CenturyTel Internet Holdings, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 564 1932 443 UUNET - Commercial IP service 3301 316 1187 301 TeliaNet Sweden 3352 305 1639 33 Ibernet, Internet Access Netw 8220 279 471 265 COLT Telecommunications 3320 278 5012 234 Deutsche Telekom AG 680 246 2041 243 DFN-IP service G-WiN 6746 237 90 212 Dynamic Network Technologies, 3246 230 463 220 Song Networks 24863 216 42 11 LINKdotNET AS number 8708 211 275 200 Romania Data Systems S.A. 8551 209 198 29 Bezeq International 30890 206 18 80 SC Kappa Invexim SRL 3215 204 1760 97 France Telecom Transpac 3269 201 2182 72 TELECOM ITALIA 1257 194 741 166 SWIPnet Swedish IP Network 8866 189 37 15 Bulgarian Telecommunication C 6830 175 813 37 UPC Distribution Services 3300 169 171 97 AUCS Communications Services 786 168 1762 168 The JANET IP Service 5400 160 352 142 BT Ignite European Backbone LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 698 1771 227 UniNet S.A. de C.V. 22047 432 206 11 VTR PUNTO NET S.A. 11172 358 113 85 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 6147 267 134 22 Telefonica Del Peru 6471 252 74 28 ENTEL CHILE S.A. 14117 211 13 7 Telefonica del Sur S.A. 6503 181 151 82 AVANTEL, S.A. 7303 181 84 29 Telecom Argentina Stet-France 10481 181 72 8 Prima S.A. 21826 133 17 22 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19429 131 84 45 E.T.B. 14522 129 18 9 SatNet S.A. 19169 129 8 26 Telconet 14259 119 10 15 GTD Internet S.A. 23216 113 21 9 RAMtelecom Telecomunicaciones 5639 109 12 9 Telecommunications Services o 6505 109 88 79 Global One Communicaoes Ltda 14420 108 7 23 ANDINATEL S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 284 803 231 The Internet Solution 8452 169 60 7 TEDATA 6713 150 135 11 Itissalat Al-MAGHRIB 2018 131 314 105 Tertiary Education Network 15475 124 84 4 Nile Online 5536 123 8 15 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 105 6 2 EEPAD TISP TELECOM & INTERNET 2905 69 139 60 The Internetworking Company o 20928 60 16 3 Noor Advanced Technologies AS 15706 44 8 3 Sudatel Internet Exchange Aut 5713 39 294 35 Telkom SA Ltd 33774 31 7 21 AS Number for Telecom Algeria 16637 25 18 23 Johnnic e-Ventures 23889 24 8 11 MAURITIUS TELECOM 10798 23 1 14 Standard Bank of South Africa 8524 22 1 5 AUCEGYPT Autonomous System 33766 21 2 1 Nyala Communications Pty Ltd 12455 20 6 3 Jambonet Autonomous system 21491 20 17 2 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1243 1010 CHINANET-BACKBONE 18566 946 938 Covad Communications 9583 914 899 Sify Limited 4755 967 893 Videsh Sanchar Nigam Ltd. Aut 721 1022 713 DLA Systems Automation Center 4323 966 695 Time Warner Telecom 9498 765 695 BHARTI BT INTERNET LTD. 11492 657 646 Cable One 22773 674 634 Cox Communications, Inc. 6197 1012 534 BellSouth Network Solutions, 19262 722 532 Verizon Global Networks 5668 533 510 CenturyTel Internet Holdings, 19916 563 509 OLM LLC 17488 519 502 Hathway IP Over Cable Interne 855 573 499 Canadian Research Network 7545 551 477 TPG Internet Pty Ltd 8151 698 471 UniNet S.A. de C.V. 3602 525 421 Sprint Canada, Inc. 22047 432 421 VTR PUNTO NET S.A. 15270 444 411 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 198.18.1.0/24 3301 TeliaNet Sweden 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 183.206.196.0/24 2188 FR-RENATER-ASTER 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 Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:9 /10:11 /11:28 /12:95 /13:202 /14:369 /15:723 /16:8901 /17:3306 /18:5430 /19:11880 /20:13503 /21:11776 /22:14903 /23:16068 /24:103805 /25:382 /26:298 /27:176 /28:65 /29:78 /30:79 /31:0 /32:46 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 929 946 Covad Communications 6197 792 1012 BellSouth Network Solutions, 7018 775 1466 AT&T WorldNet Services 9583 744 914 Sify Limited 11492 645 657 Cable One 2386 634 923 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 556 648 Citizens Utilities 4766 500 689 Korea Telecom (KIX) 855 447 573 Canadian Research Network 6198 440 598 BellSouth Network Solutions, 9498 429 765 BHARTI BT INTERNET LTD. 5668 416 533 CenturyTel Internet Holdings, 15270 413 444 PaeTec.net -a division of Pae 1239 398 855 Sprint 17849 390 396 Telecommunications Technology 4755 382 967 Videsh Sanchar Nigam Ltd. Aut 6517 375 409 Yipes Communications, Inc. 18101 356 425 Reliance Infocom Ltd Internet 22773 355 674 Cox Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:43 11:1 12:1612 13:1 15:15 16:3 17:3 18:4 20:41 24:778 25:1 32:58 38:234 40:54 41:7 44:3 47:6 52:4 55:1 56:3 57:23 58:192 59:248 60:196 61:860 62:810 63:1888 64:3076 65:2243 66:2946 67:624 68:671 69:1546 70:389 71:86 72:816 74:56 75:1 80:768 81:665 82:638 83:393 84:384 85:569 86:409 87:404 88:114 89:339 121:3 122:3 123:1 124:275 125:552 128:151 129:184 130:119 131:313 132:34 133:8 134:159 135:48 136:178 137:82 138:206 139:51 140:488 141:135 142:383 143:170 144:230 145:40 146:305 147:137 148:344 149:191 150:113 151:96 152:70 153:107 154:5 155:205 156:186 157:143 158:166 159:172 160:91 161:76 162:246 163:160 164:242 165:222 166:174 167:244 168:497 169:125 170:353 171:14 183:1 190:88 192:5722 193:3355 194:2654 195:1960 196:854 198:3965 199:3289 200:4631 201:965 202:6750 203:7090 204:3894 205:2046 206:2407 207:2921 208:2190 209:3401 210:2064 211:711 212:1241 213:1483 214:363 215:41 216:4005 217:1183 218:297 219:228 220:734 221:351 222:189 End of report