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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Dec 12 19:08:02 CET 2003
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 at lists.apnic.net If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 13 Dec, 2003 Analysis Summary ---------------- BGP routing table entries examined: 131009 Prefixes after maximum aggregation: 80811 Unique aggregates announced to Internet: 62862 Total ASes present in the Internet Routing Table: 16319 Origin-only ASes present in the Internet Routing Table: 14175 Origin ASes announcing only one prefix: 6495 Transit ASes present in the Internet Routing Table: 2144 Transit-only ASes present in the Internet Routing Table: 65 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 19 Illegal AS announcements present in the Routing Table: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1271486692 Equivalent to 75 /8s, 201 /16s and 88 /24s Percentage of available address space announced: 34.3 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 57692 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24007 Total APNIC prefixes after maximum aggregation: 12977 Prefixes being announced from the APNIC address blocks: 22455 Unique aggregates announced from the APNIC address blocks: 12740 APNIC Region origin ASes present in the Internet Routing Table: 1958 APNIC Region origin ASes announcing only one prefix: 583 APNIC Region transit ASes present in the Internet Routing Table: 317 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 132346368 Equivalent to 7 /8s, 227 /16s and 114 /24s Percentage of available APNIC address space announced: 71.3 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: 77140 Total ARIN prefixes after maximum aggregation: 47952 Prefixes being announced from the ARIN address blocks: 59745 Unique aggregates announced from the ARIN address blocks: 20690 ARIN Region origin ASes present in the Internet Routing Table: 8802 ARIN Region origin ASes announcing only one prefix: 3074 ARIN Region transit ASes present in the Internet Routing Table: 829 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 211984288 Equivalent to 12 /8s, 162 /16s and 159 /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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 23171 Total RIPE prefixes after maximum aggregation: 16955 Prefixes being announced from the RIPE address blocks: 20033 Unique aggregates announced from the RIPE address blocks: 13314 RIPE Region origin ASes present in the Internet Routing Table: 5034 RIPE Region origin ASes announcing only one prefix: 2701 RIPE Region transit ASes present in the Internet Routing Table: 883 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 146718080 Equivalent to 8 /8s, 190 /16s and 189 /24s Percentage of available RIPE address space announced: 67.3 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, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5567 Total LACNIC prefixes after maximum aggregation: 2229 Prefixes being announced from the LACNIC address blocks: 5084 Unique aggregates announced from the LACNIC address blocks: 3101 LACNIC Region origin ASes present in the Internet Routing Table: 366 LACNIC Region origin ASes announcing only one prefix: 108 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 13639680 Equivalent to 0 /8s, 208 /16s and 32 /24s Percentage of available LACNIC address space announced: 40.6 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1122 Total AfriNIC prefixes after maximum aggregation: 698 Prefixes being announced from the AfriNIC address blocks: 725 Unique aggregates announced from the AfriNIC address blocks: 556 AfriNIC Region origin ASes present in the Internet Routing Table: 94 AfriNIC Region origin ASes announcing only one prefix: 29 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1757184 Equivalent to 0 /8s, 26 /16s and 208 /24s Percentage of available AfriNIC address space announced: 10.5 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 950 1118 671 Telstra Pty Ltd 4134 617 2397 108 Data Communications Bureau 2907 363 1863 340 SINET Japan 4755 344 130 59 Videsh Sanchar Nigam Ltd. Aut 703 337 356 262 UUNET 9443 337 69 80 Primus Telecommunications 17557 304 22 153 Pakistan Telecom 17676 289 4252 38 XTAGE CORPORATION 2764 275 288 235 connect.com.au pty ltd 4766 268 2896 192 Korea Internet Exchange for " 7474 261 306 212 Optus Communications Pty Ltd 4538 249 1810 20 China Education and Research 9583 248 44 11 Satyam Infoway Ltd., 3786 233 771 203 DACOM Corporation 9929 219 154 27 China Netcom Corp. 9942 214 69 125 COMindico Australia 9800 208 345 58 CHINA UNICOM 9498 173 22 31 BHARTI BT INTERNET LTD. 17642 154 40 113 RequestDSL BGP AS# for Sydney 4837 145 1271 99 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1420 7058 988 AT&T 701 1417 8664 973 UUNET Technologies, Inc. 1239 953 3096 664 Sprint 209 857 3430 529 Qwest 6197 800 426 276 BellSouth Network Solutions, 18566 732 176 8 Covad Communications 3356 716 10892 567 Level 3 Communications, LLC 4323 681 609 207 Time Warner Communications, I 20115 582 320 333 Charter Communications 6198 561 337 189 BellSouth Network Solutions, 7066 509 207 271 Virginia Polytechnic Institut 852 508 1124 403 Telus Advanced Communications 7843 506 509 123 Adelphia Corp. 7132 451 7357 312 Southwestern Bell Internet Se 19029 424 174 275 New Edge Networks 2386 404 527 211 AT&T Data Communications Serv 690 400 58 270 Merit Network 4355 391 329 101 EarthLink, Inc. 705 382 196 237 UUNET Technologies, Inc. 376 354 359 114 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 677 2074 561 UUNET - Commercial IP service 3301 300 1138 284 TeliaNet Sweden 3320 285 1972 233 Deutsche Telekom AG 8220 260 423 248 COLT Internet - International 1257 242 495 192 SWIPnet Swedish IP Network 680 230 2022 227 DFN-IP service G-WiN 13083 215 51 8 Mannesmann Datenverarbeitung 3246 187 426 185 Song Networks 786 175 1826 175 The JANET IP Service 5515 173 762 135 Sonera Solution Autonomous Sy 25186 172 215 123 France Telecom Transpac's Tra 8708 164 111 157 Romania Data Systems S.A. 5400 156 177 141 BT Ignite European Backbone 3215 144 722 69 France Telecom Transpac 3303 144 557 137 Swisscom Ltd 719 134 288 104 LANLINK autonomous system 12302 126 18 33 MobiFon S.A. 3269 118 940 63 TELECOM ITALIA 2856 116 1294 107 BTnet UK Regional network 3352 102 876 30 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 346 120 66 ImpSat 8151 241 352 125 UniNet S.A. de C.V. 11172 195 77 43 Servicios Alestra S.A de C.V 7303 177 46 29 Telecom Argentina Stet-France 16814 156 10 5 NSS, S.A. 6505 135 91 95 Global One Communicaoes Ltda 6503 127 204 93 AVANTEL, S.A. 6147 124 78 20 Telefonica Del Peru 10620 123 8 27 TVCABLE BOGOTA 11340 108 3 29 Red Universitaria Nacional 11992 89 25 31 Integrated Systems 8065 76 10 21 Empresas Publicas de Medellin 15311 76 16 39 Telefonica Empresas 6535 75 5 18 Chilesat Servicios Empresari 4270 71 18 9 Red de Interconexion Universi 11311 66 7 22 Sinectis S.A. 7080 64 4 1 Electronica y Comunicaciones 14420 60 4 23 ANDINATEL S.A. 27699 60 152 15 TELECOMUNICACOES DE SAO PAULO 1916 59 247 39 Fundacao de Amparo a Pesquisa AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 632 218 The Internet Solution 2018 94 297 92 Tertiary Education Network 5536 88 7 23 Internet Egypt Network 2905 60 245 53 The Internetworking Company o 2561 57 6 3 Egyptian Universities Network 11845 35 9 10 Data Pro Business Online 11569 31 29 28 satellite data networks 16284 31 4 5 GST-N Autonomous System 9129 26 3 4 UUNET Kenya 16637 26 9 19 Johnnic e-Ventures 5713 24 93 22 Telkom SA Ltd 12455 23 4 2 Jambonet Autonomous system 6713 22 38 9 Itissalat Al-MAGHRIB 10798 18 1 12 Standard Bank of South Africa 8524 17 1 3 AUCEGYPT Autonomous System 3208 15 2 1 ARN Network 12258 15 3 10 Vodacom Internet Company 15706 15 2 5 Sudatel Internet Exchange Aut 17148 14 1 8 First National Bank 2609 12 10 3 Tunisia BackBone AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 732 724 Covad Communications 6197 800 524 BellSouth Network Solutions, 4134 617 509 Data Communications Bureau 4323 681 474 Time Warner Communications, I 701 1417 444 UUNET Technologies, Inc. 7843 506 383 Adelphia Corp. 6198 561 372 BellSouth Network Solutions, 27364 354 330 Armstrong Cable Services 209 857 328 Qwest 22909 321 308 Comcast Cable Corporation 4355 391 290 EarthLink, Inc. 1239 953 289 Sprint 22773 317 286 Cox Communications, Inc. Atla 4755 344 285 Videsh Sanchar Nigam Ltd. Aut 6140 346 280 ImpSat 1221 950 279 Telstra Pty Ltd 5668 280 262 Century Telephone 9443 337 257 Primus Telecommunications 6347 330 251 SAVVIS Communications Corpora 17676 289 251 XTAGE CORPORATION List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64512 PRIVATE 131.95.1.240/28 16430 University of Southe Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 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 /8:19 /9:4 /10:6 /11:15 /12:57 /13:101 /14:278 /15:486 /16:7504 /17:1838 /18:3412 /19:8819 /20:9317 /21:6695 /22:9385 /23:11050 /24:71351 /25:183 /26:232 /27:155 /28:34 /29:9 /30:48 /31:0 /32:11 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 726 732 Covad Communications 6197 655 800 BellSouth Network Solutions, 7018 521 1420 AT&T 701 432 1417 UUNET Technologies, Inc. 6198 423 561 BellSouth Network Solutions, 702 408 677 UUNET - Commercial IP service 7066 401 509 Virginia Polytechnic Institut 20115 364 582 Charter Communications 3356 363 716 Level 3 Communications, LLC 690 361 400 Merit Network 27364 348 354 Armstrong Cable Services 1239 339 953 Sprint 209 295 857 Qwest 19029 274 424 New Edge Networks 5668 246 280 Century Telephone 25844 244 244 Skadden, Arps, Slate, Meagher 3320 228 285 Deutsche Telekom AG 4355 216 391 EarthLink, Inc. 6517 213 238 Yipes Communications, Inc. 6386 202 227 bellsouth.net, inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:756 13:1 15:6 16:1 17:3 20:7 24:863 32:82 38:43 40:25 44:2 55:1 56:1 57:16 61:319 62:456 63:1840 64:1798 65:1806 66:2192 67:281 68:645 69:354 80:443 81:173 82:43 128:144 129:263 130:67 131:80 132:17 134:167 135:16 136:184 137:114 138:127 139:31 140:164 141:134 142:112 143:49 144:65 145:42 146:290 147:70 148:315 149:88 150:118 151:60 152:208 153:55 154:1 155:128 156:61 157:61 158:135 159:137 160:46 161:49 162:368 163:71 164:333 165:173 166:104 167:211 168:181 169:96 170:299 171:9 192:5492 193:2475 194:2000 195:1290 196:515 198:3632 199:2836 200:3028 201:3 202:4240 203:5353 204:2948 205:2026 206:2272 207:2572 208:2481 209:2814 210:971 211:397 212:922 213:944 214:23 215:25 216:3346 217:802 218:121 219:87 220:116 221:17 End of report
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