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 29 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 140122 Prefixes after maximum aggregation: 85218 Unique aggregates announced to Internet: 67540 Total ASes present in the Internet Routing Table: 17342 Origin-only ASes present in the Internet Routing Table: 15026 Origin ASes announcing only one prefix: 6972 Transit ASes present in the Internet Routing Table: 2316 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 13 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1291183612 Equivalent to 76 /8s, 245 /16s and 229 /24s Percentage of available address space announced: 34.8 Percentage of allocated address space announced: 57.2 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 62511 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26874 Total APNIC prefixes after maximum aggregation: 13846 Prefixes being announced from the APNIC address blocks: 25184 Unique aggregates announced from the APNIC address blocks: 13900 APNIC Region origin ASes present in the Internet Routing Table: 2058 APNIC Region origin ASes announcing only one prefix: 610 APNIC Region transit ASes present in the Internet Routing Table: 334 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 148464896 Equivalent to 8 /8s, 217 /16s and 101 /24s Percentage of available APNIC address space announced: 67.7 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 80512 Total ARIN prefixes after maximum aggregation: 50242 Prefixes being announced from the ARIN address blocks: 62138 Unique aggregates announced from the ARIN address blocks: 21700 ARIN Region origin ASes present in the Internet Routing Table: 9246 ARIN Region origin ASes announcing only one prefix: 3277 ARIN Region transit ASes present in the Internet Routing Table: 920 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 224518176 Equivalent to 13 /8s, 97 /16s and 224 /24s Percentage of available ARIN address space announced: 74.3 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: 25534 Total RIPE prefixes after maximum aggregation: 18222 Prefixes being announced from the RIPE address blocks: 22337 Unique aggregates announced from the RIPE address blocks: 14891 RIPE Region origin ASes present in the Internet Routing Table: 5496 RIPE Region origin ASes announcing only one prefix: 2956 RIPE Region transit ASes present in the Internet Routing Table: 943 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 162926080 Equivalent to 9 /8s, 182 /16s and 14 /24s Percentage of available RIPE address space announced: 57.1 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: 6047 Total LACNIC prefixes after maximum aggregation: 2236 Prefixes being announced from the LACNIC address blocks: 5712 Unique aggregates announced from the LACNIC address blocks: 3518 LACNIC Region origin ASes present in the Internet Routing Table: 379 LACNIC Region origin ASes announcing only one prefix: 108 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14961152 Equivalent to 0 /8s, 228 /16s and 74 /24s Percentage of available LACNIC address space announced: 44.6 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1148 Total AfriNIC prefixes after maximum aggregation: 672 Prefixes being announced from the AfriNIC address blocks: 780 Unique aggregates announced from the AfriNIC address blocks: 587 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1865216 Equivalent to 0 /8s, 28 /16s and 118 /24s Percentage of available AfriNIC address space announced: 11.1 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 849 1091 612 Telstra Pty Ltd 4134 735 3532 143 Data Communications Bureau 4766 489 2896 264 Korea Internet Exchange for " 9583 403 31 131 Satyam Infoway Ltd., 4663 402 54 17 ELIMNET, INC 4755 365 126 56 Videsh Sanchar Nigam Ltd. Aut 9443 355 69 79 Primus Telecommunications 2907 352 1841 329 SINET Japan 9929 347 156 33 China Netcom Corp. 17676 341 5084 33 XTAGE CORPORATION 17557 330 23 165 Pakistan Telecom 703 329 375 256 UUNET 2764 296 275 242 connect.com.au pty ltd 7474 263 268 207 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 225 367 62 CHINA UNICOM 9498 218 48 47 BHARTI BT INTERNET LTD. 4780 210 193 26 Digital United Inc. 4837 181 2003 108 chinanet IDC center beijing n 10036 180 16 168 C&M Communication Co. Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1444 6891 1005 AT&T 701 1310 8529 938 UUNET Technologies, Inc. 1239 933 3013 634 Sprint 3356 894 10900 678 Level 3 Communications, LLC 209 739 3458 502 Qwest 4323 730 578 201 Time Warner Communications, I 6197 709 525 274 BellSouth Network Solutions, 18566 706 192 8 Covad Communications 6198 561 375 214 BellSouth Network Solutions, 721 556 4445 408 DLA Systems Automation Center 20115 553 365 286 Charter Communications 852 516 1142 406 Telus Advanced Communications 7843 505 648 119 Adelphia Corp. 7132 449 7851 335 Southwestern Bell Internet Se 2386 427 582 231 AT&T Data Communications Serv 705 404 147 278 UUNET Technologies, Inc. 6347 404 391 90 SAVVIS Communications Corpora 4355 393 323 103 EarthLink, Inc. 22909 390 843 25 Comcast Cable Corporation 376 384 359 112 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 650 2038 545 UUNET - Commercial IP service 3320 297 2477 237 Deutsche Telekom AG 8220 273 429 261 COLT Internet - International 3301 272 1096 262 TeliaNet Sweden 1257 248 495 199 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 205 464 202 Song Networks 5515 198 779 143 Sonera Solution Autonomous Sy 719 180 288 102 LANLINK autonomous system 3215 177 831 68 France Telecom Transpac 25186 175 172 116 France Telecom Transpac's Tra 8708 174 111 163 Romania Data Systems S.A. 786 172 1778 172 The JANET IP Service 6746 154 29 127 Dynamic Network Technologies, 5400 143 207 121 BT Ignite European Backbone 3269 137 1101 65 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 123 18 29 MobiFon S.A. 1273 115 166 91 Cable & Wireless Deutschland LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 11172 360 80 55 Servicios Alestra S.A de C.V 6140 345 124 66 ImpSat 8151 268 373 129 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 160 82 21 Telefonica Del Peru 7303 140 53 30 Telecom Argentina Stet-France 6505 134 90 92 Global One Communicaoes Ltda 6503 130 219 89 AVANTEL, S.A. 11992 89 9 28 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 79 5 16 Chilesat Servicios Empresari 14420 77 5 31 ANDINATEL S.A. 15311 75 19 37 Telefonica Empresas 5639 72 8 8 Telecommunications Services o 4270 71 18 9 Red de Interconexion Universi 14535 70 6 5 Techtel S.A. 11311 69 7 19 Sinectis S.A. 14259 67 4 5 GTD Internet S.A. 10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA 7080 64 4 1 Electronica y Comunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 254 632 219 The Internet Solution 5536 107 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 276 80 The Internetworking Company o 11845 37 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 5713 26 125 24 Telkom SA Ltd 9129 25 3 4 UUNET Kenya 16637 25 9 18 Johnnic e-Ventures 6713 24 38 9 Itissalat Al-MAGHRIB 8524 24 2 4 AUCEGYPT Autonomous System 12455 24 4 2 Jambonet Autonomous system 14988 24 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 8346 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS 15808 12 1 4 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 706 698 Covad Communications 4134 735 592 Data Communications Bureau 4323 730 529 Time Warner Communications, I 6197 709 435 BellSouth Network Solutions, 7843 505 386 Adelphia Corp. 4663 402 385 ELIMNET, INC 701 1310 372 UUNET Technologies, Inc. 22909 390 365 Comcast Cable Corporation 5668 379 363 Century Telephone 6198 561 347 BellSouth Network Solutions, 27364 363 344 Armstrong Cable Services 22773 377 328 Cox Communications, Inc. Atla 6347 404 314 SAVVIS Communications Corpora 9929 347 314 China Netcom Corp. 4755 365 309 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 11172 360 305 Servicios Alestra S.A de C.V 1239 933 299 Sprint 4355 393 290 EarthLink, Inc. 6140 345 279 ImpSat List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64512 PRIVATE 61.17.25.0/24 10199 DishnetDSL Limited 18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm 65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone 65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone 65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V. 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati 65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V. 65502 PRIVATE 203.97.150.0/24 7714 TelstraClear 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 192.70.164.0/24 25689 National Research Council of 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 192.172.11.0/24 721 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 /9:3 /10:6 /11:15 /12:59 /13:122 /14:295 /15:512 /16:7754 /17:2020 /18:3602 /19:9395 /20:9910 /21:7238 /22:10265 /23:11552 /24:76408 /25:314 /26:395 /27:133 /28:31 /29:8 /30:55 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 689 706 Covad Communications 7018 556 1444 AT&T 6197 538 709 BellSouth Network Solutions, 3356 509 894 Level 3 Communications, LLC 702 395 650 UUNET - Commercial IP service 6198 394 561 BellSouth Network Solutions, 701 368 1310 UUNET Technologies, Inc. 1239 365 933 Sprint 4663 364 402 ELIMNET, INC 27364 351 363 Armstrong Cable Services 5668 332 379 Century Telephone 4766 310 489 Korea Internet Exchange for " 20115 294 553 Charter Communications 9929 277 347 China Netcom Corp. 14824 251 276 NewSouth Communications Corp. 9583 249 403 Satyam Infoway Ltd., 690 247 283 Merit Network 3320 246 297 Deutsche Telekom AG 25844 244 244 Skadden, Arps, Slate, Meagher 6517 236 262 Yipes Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:818 13:1 15:5 16:2 17:3 20:8 24:731 32:101 38:69 40:54 44:3 55:1 56:3 57:15 61:380 62:484 63:1823 64:1839 65:1996 66:2524 67:316 68:519 69:526 70:64 80:499 81:292 82:172 83:62 128:146 129:185 130:82 131:131 132:18 133:1 134:177 135:17 136:185 137:92 138:152 139:43 140:156 141:124 142:117 143:63 144:86 145:42 146:301 147:76 148:403 149:118 150:93 151:71 152:165 153:62 154:1 155:118 156:61 157:59 158:125 159:146 160:54 161:55 162:379 163:75 164:165 165:161 166:100 167:220 168:225 169:106 170:286 171:8 192:5717 193:2733 194:2025 195:1350 196:556 198:3939 199:3270 200:3474 201:7 202:4595 203:5607 204:3044 205:2278 206:2263 207:2452 208:2245 209:2796 210:1442 211:601 212:961 213:1167 214:222 215:28 216:3383 217:917 218:168 219:110 220:229 221:28 222:38 End of report