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 17 Apr, 2004 Analysis Summary ---------------- BGP routing table entries examined: 136651 Prefixes after maximum aggregation: 83006 Unique aggregates announced to Internet: 66172 Total ASes present in the Internet Routing Table: 17054 Origin-only ASes present in the Internet Routing Table: 14784 Origin ASes announcing only one prefix: 6834 Transit ASes present in the Internet Routing Table: 2270 Transit-only ASes present in the Internet Routing Table: 85 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 18 Illegal AS announcements present in the Routing Table: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 17 Number of addresses announced to Internet: 1279524352 Equivalent to 76 /8s, 67 /16s and 254 /24s Percentage of available address space announced: 34.5 Percentage of allocated address space announced: 57.5 Percentage of available address space allocated: 60.0 Total number of prefixes smaller than registry allocations: 61270 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25972 Total APNIC prefixes after maximum aggregation: 13641 Prefixes being announced from the APNIC address blocks: 24295 Unique aggregates announced from the APNIC address blocks: 13578 APNIC Region origin ASes present in the Internet Routing Table: 2044 APNIC Region origin ASes announcing only one prefix: 609 APNIC Region transit ASes present in the Internet Routing Table: 329 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 142413184 Equivalent to 8 /8s, 125 /16s and 13 /24s Percentage of available APNIC address space announced: 76.7 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 78905 Total ARIN prefixes after maximum aggregation: 48618 Prefixes being announced from the ARIN address blocks: 60917 Unique aggregates announced from the ARIN address blocks: 21452 ARIN Region origin ASes present in the Internet Routing Table: 9104 ARIN Region origin ASes announcing only one prefix: 3230 ARIN Region transit ASes present in the Internet Routing Table: 894 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 221804832 Equivalent to 13 /8s, 56 /16s and 121 /24s Percentage of available ARIN address space announced: 73.4 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 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, 29695 - 30719 31744 - 32767 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 24836 Total RIPE prefixes after maximum aggregation: 17872 Prefixes being announced from the RIPE address blocks: 21651 Unique aggregates announced from the RIPE address blocks: 14369 RIPE Region origin ASes present in the Internet Routing Table: 5359 RIPE Region origin ASes announcing only one prefix: 2870 RIPE Region transit ASes present in the Internet Routing Table: 927 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 159405568 Equivalent to 9 /8s, 128 /16s and 86 /24s Percentage of available RIPE address space announced: 55.9 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 30720 - 31743 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5799 Total LACNIC prefixes after maximum aggregation: 2202 Prefixes being announced from the LACNIC address blocks: 5436 Unique aggregates announced from the LACNIC address blocks: 3386 LACNIC Region origin ASes present in the Internet Routing Table: 371 LACNIC Region origin ASes announcing only one prefix: 102 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14553088 Equivalent to 0 /8s, 222 /16s and 16 /24s Percentage of available LACNIC address space announced: 43.4 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1138 Total AfriNIC prefixes after maximum aggregation: 673 Prefixes being announced from the AfriNIC address blocks: 748 Unique aggregates announced from the AfriNIC address blocks: 556 AfriNIC Region origin ASes present in the Internet Routing Table: 90 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1838848 Equivalent to 0 /8s, 28 /16s and 15 /24s Percentage of available AfriNIC address space announced: 11.0 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 863 1091 629 Telstra Pty Ltd 4134 722 3179 119 Data Communications Bureau 4766 465 2916 251 Korea Internet Exchange for " 9583 436 39 100 Satyam Infoway Ltd., 4755 360 131 55 Videsh Sanchar Nigam Ltd. Aut 2907 356 1862 332 SINET Japan 9443 353 69 78 Primus Telecommunications 9929 347 155 31 China Netcom Corp. 703 337 374 259 UUNET 17557 322 23 164 Pakistan Telecom 17676 309 4572 41 XTAGE CORPORATION 2764 294 273 240 connect.com.au pty ltd 7474 272 300 216 Optus Communications Pty Ltd 9942 223 71 127 COMindico Australia 9800 217 348 58 CHINA UNICOM 4780 212 193 26 Digital United Inc. 9498 203 31 44 BHARTI BT INTERNET LTD. 4837 173 1571 102 chinanet IDC center beijing n 9304 168 159 23 Hutchison Telecom (HK) 7633 160 23 43 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1434 6964 1001 AT&T 701 1318 8555 946 UUNET Technologies, Inc. 1239 935 3033 634 Sprint 3356 893 10960 689 Level 3 Communications, LLC 209 758 3493 518 Qwest 4323 715 559 198 Time Warner Communications, I 18566 698 192 8 Covad Communications 6197 689 506 252 BellSouth Network Solutions, 20115 595 349 309 Charter Communications 6198 566 364 206 BellSouth Network Solutions, 7843 535 620 110 Adelphia Corp. 852 513 1127 404 Telus Advanced Communications 7066 501 208 273 Virginia Polytechnic Institut 7132 450 7847 332 Southwestern Bell Internet Se 2386 433 579 235 AT&T Data Communications Serv 27364 405 29 23 Armstrong Cable Services 4355 396 323 103 EarthLink, Inc. 22909 383 839 23 Comcast Cable Corporation 376 380 343 112 Reseau Interordinateurs Scien 6347 376 386 84 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 665 2039 556 UUNET - Commercial IP service 3320 293 2477 235 Deutsche Telekom AG 3301 266 984 257 TeliaNet Sweden 8220 264 412 252 COLT Internet - International 680 245 2027 240 DFN-IP service G-WiN 1257 233 510 195 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 5515 197 778 140 Sonera Solution Autonomous Sy 3246 196 451 194 Song Networks 786 175 1826 175 The JANET IP Service 8708 173 111 162 Romania Data Systems S.A. 3215 167 815 71 France Telecom Transpac 25186 164 187 106 France Telecom Transpac's Tra 5400 157 241 140 BT Ignite European Backbone 6746 136 28 114 Dynamic Network Technologies, 3303 135 618 135 Swisscom Ltd 3269 134 1101 65 TELECOM ITALIA 12302 121 17 28 MobiFon S.A. 719 113 288 102 LANLINK autonomous system 1273 111 166 88 Cable & Wireless Deutschland LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 379 122 69 ImpSat 8151 265 357 130 UniNet S.A. de C.V. 11172 207 75 43 Servicios Alestra S.A de C.V 16814 163 11 6 NSS, S.A. 6147 145 78 20 Telefonica Del Peru 7303 141 53 26 Telecom Argentina Stet-France 6503 138 220 93 AVANTEL, S.A. 6505 132 90 92 Global One Communicaoes Ltda 11992 90 9 29 Integrated Systems 11556 88 73 25 Cable-Wireless Panama 6535 79 5 19 Chilesat Servicios Empresari 15311 75 18 38 Telefonica Empresas 14420 74 5 30 ANDINATEL S.A. 4270 71 18 9 Red de Interconexion Universi 14535 70 6 5 Techtel S.A. 11311 69 7 16 Sinectis S.A. 14259 69 4 5 GTD Internet S.A. 5639 64 7 13 Telecommunications Services o 7080 64 4 1 Electronica y Comunicaciones 10292 63 6 25 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 254 632 219 The Internet Solution 5536 106 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 89 272 79 The Internetworking Company o 11845 36 9 11 Data Pro Business Online 9129 33 3 4 UUNET Kenya 24835 31 18 6 RAYA Telecom - Egypt 5713 26 125 24 Telkom SA Ltd 16637 25 9 18 Johnnic e-Ventures 12455 24 4 2 Jambonet Autonomous system 8524 23 2 4 AUCEGYPT Autonomous System 6713 22 38 9 Itissalat Al-MAGHRIB 14988 22 16 1 Botswana Telecommunications C 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 15808 14 1 6 Communication Solutions Ltd i 8346 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 698 690 Covad Communications 4134 722 603 Data Communications Bureau 4323 715 517 Time Warner Communications, I 6197 689 437 BellSouth Network Solutions, 7843 535 425 Adelphia Corp. 27364 405 382 Armstrong Cable Services 701 1318 372 UUNET Technologies, Inc. 6198 566 360 BellSouth Network Solutions, 22909 383 360 Comcast Cable Corporation 5668 365 349 Century Telephone 9583 436 336 Satyam Infoway Ltd., 22773 358 323 Cox Communications, Inc. Atla 9929 347 316 China Netcom Corp. 6140 379 310 ImpSat 4755 360 305 Videsh Sanchar Nigam Ltd. Aut 1239 935 301 Sprint 4355 396 293 EarthLink, Inc. 6347 376 292 SAVVIS Communications Corpora 20115 595 286 Charter Communications 9443 353 275 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 156.154.16.0/22 7786 Lockheed Martin IMS 158.0.0.0/13 568 DISO-UNRRA 164.234.0.0/18 721 DLA Systems Automation Center 164.234.0.0/16 721 DLA Systems Automation Center 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 DISO-UNRRA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:3 /10:6 /11:15 /12:58 /13:112 /14:293 /15:511 /16:7673 /17:1985 /18:3545 /19:9297 /20:9687 /21:7024 /22:9917 /23:11396 /24:74490 /25:184 /26:216 /27:128 /28:29 /29:4 /30:48 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 681 698 Covad Communications 7018 532 1434 AT&T 6197 526 689 BellSouth Network Solutions, 3356 494 893 Level 3 Communications, LLC 6198 408 566 BellSouth Network Solutions, 702 403 665 UUNET - Commercial IP service 27364 398 405 Armstrong Cable Services 7066 395 501 Virginia Polytechnic Institut 701 366 1318 UUNET Technologies, Inc. 1239 354 935 Sprint 20115 346 595 Charter Communications 690 336 373 Merit Network 5668 319 365 Century Telephone 4766 287 465 Korea Internet Exchange for " 9583 278 436 Satyam Infoway Ltd., 9929 276 347 China Netcom Corp. 14824 250 275 NewSouth Communications Corp. 25844 244 244 Skadden, Arps, Slate, Meagher 19029 242 369 New Edge Networks 3320 240 293 Deutsche Telekom AG Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:824 13:1 15:4 16:1 17:3 20:8 24:809 32:83 38:60 40:54 44:3 55:1 56:4 57:13 61:384 62:461 63:1816 64:1911 65:1937 66:2542 67:297 68:552 69:480 80:500 81:262 82:149 83:30 128:148 129:252 130:101 131:79 132:17 134:182 135:17 136:193 137:106 138:149 139:36 140:150 141:133 142:108 143:49 144:92 145:40 146:295 147:69 148:366 149:92 150:93 151:63 152:207 153:62 154:1 155:129 156:59 157:55 158:146 159:159 160:51 161:53 162:375 163:77 164:328 165:164 166:98 167:211 168:215 169:101 170:289 171:8 192:5507 193:2634 194:2005 195:1338 196:530 198:3650 199:2978 200:3261 201:8 202:4541 203:5488 204:2987 205:1973 206:2250 207:2599 208:2320 209:2851 210:1357 211:520 212:943 213:1125 214:26 215:26 216:3367 217:885 218:164 219:96 220:204 221:27 222:20 End of report