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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri May 21 20:05:49 CEST 2004
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 22 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 138121 Prefixes after maximum aggregation: 84026 Unique aggregates announced to Internet: 67160 Total ASes present in the Internet Routing Table: 17261 Origin-only ASes present in the Internet Routing Table: 14964 Origin ASes announcing only one prefix: 6956 Transit ASes present in the Internet Routing Table: 2297 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 12 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 18 Number of addresses announced to Internet: 1289331964 Equivalent to 76 /8s, 217 /16s and 164 /24s Percentage of available address space announced: 34.8 Percentage of allocated address space announced: 57.1 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 61989 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26473 Total APNIC prefixes after maximum aggregation: 13746 Prefixes being announced from the APNIC address blocks: 24781 Unique aggregates announced from the APNIC address blocks: 13836 APNIC Region origin ASes present in the Internet Routing Table: 2058 APNIC Region origin ASes announcing only one prefix: 615 APNIC Region transit ASes present in the Internet Routing Table: 335 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 146961152 Equivalent to 8 /8s, 194 /16s and 115 /24s Percentage of available APNIC address space announced: 67.1 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: 79113 Total ARIN prefixes after maximum aggregation: 49264 Prefixes being announced from the ARIN address blocks: 61151 Unique aggregates announced from the ARIN address blocks: 21545 ARIN Region origin ASes present in the Internet Routing Table: 9191 ARIN Region origin ASes announcing only one prefix: 3273 ARIN Region transit ASes present in the Internet Routing Table: 909 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 224271136 Equivalent to 13 /8s, 94 /16s and 27 /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: 25470 Total RIPE prefixes after maximum aggregation: 18122 Prefixes being announced from the RIPE address blocks: 22282 Unique aggregates announced from the RIPE address blocks: 14770 RIPE Region origin ASes present in the Internet Routing Table: 5470 RIPE Region origin ASes announcing only one prefix: 2943 RIPE Region transit ASes present in the Internet Routing Table: 938 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 162493184 Equivalent to 9 /8s, 175 /16s and 115 /24s Percentage of available RIPE address space announced: 57.0 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: 5912 Total LACNIC prefixes after maximum aggregation: 2217 Prefixes being announced from the LACNIC address blocks: 5578 Unique aggregates announced from the LACNIC address blocks: 3493 LACNIC Region origin ASes present in the Internet Routing Table: 377 LACNIC Region origin ASes announcing only one prefix: 104 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14926592 Equivalent to 0 /8s, 227 /16s and 195 /24s Percentage of available LACNIC address space announced: 44.5 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1149 Total AfriNIC prefixes after maximum aggregation: 677 Prefixes being announced from the AfriNIC address blocks: 771 Unique aggregates announced from the AfriNIC address blocks: 580 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: 4.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1848576 Equivalent to 0 /8s, 28 /16s and 53 /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 852 1091 614 Telstra Pty Ltd 4134 770 3514 140 Data Communications Bureau 4766 488 2896 263 Korea Internet Exchange for " 9583 473 39 89 Satyam Infoway Ltd., 9443 354 69 78 Primus Telecommunications 2907 353 1841 330 SINET Japan 4755 352 122 48 Videsh Sanchar Nigam Ltd. Aut 9929 345 156 33 China Netcom Corp. 17676 341 5084 33 XTAGE CORPORATION 703 330 375 257 UUNET 17557 327 23 167 Pakistan Telecom 2764 296 275 242 connect.com.au pty ltd 7474 265 268 208 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 224 367 62 CHINA UNICOM 4780 212 193 26 Digital United Inc. 9498 194 47 46 BHARTI BT INTERNET LTD. 17974 179 51 97 PT TELEKOMUNIKASI INDONESIA 4837 176 1683 105 chinanet IDC center beijing n 10036 173 16 162 C&M Communication Co. Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1449 6892 1009 AT&T 701 1318 8545 944 UUNET Technologies, Inc. 1239 937 3016 639 Sprint 3356 896 10916 679 Level 3 Communications, LLC 209 736 3459 503 Qwest 4323 727 560 199 Time Warner Communications, I 18566 704 192 8 Covad Communications 6197 702 519 268 BellSouth Network Solutions, 6198 557 366 210 BellSouth Network Solutions, 20115 555 365 290 Charter Communications 852 513 1142 404 Telus Advanced Communications 7843 496 646 115 Adelphia Corp. 7132 452 7868 336 Southwestern Bell Internet Se 2386 428 601 231 AT&T Data Communications Serv 705 402 147 276 UUNET Technologies, Inc. 6347 401 388 90 SAVVIS Communications Corpora 4355 391 323 101 EarthLink, Inc. 22909 387 840 29 Comcast Cable Corporation 376 384 359 112 Reseau Interordinateurs Scien 5668 380 71 17 Century Telephone RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 651 2037 546 UUNET - Commercial IP service 3320 296 2477 236 Deutsche Telekom AG 3301 273 1096 263 TeliaNet Sweden 8220 272 428 259 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 1257 240 493 196 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 203 461 200 Song Networks 5515 202 795 144 Sonera Solution Autonomous Sy 719 178 288 102 LANLINK autonomous system 3215 176 833 69 France Telecom Transpac 8708 174 111 163 Romania Data Systems S.A. 25186 174 172 115 France Telecom Transpac's Tra 786 173 1794 173 The JANET IP Service 6746 152 29 126 Dynamic Network Technologies, 5400 150 225 128 BT Ignite European Backbone 3269 137 1101 65 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 123 18 29 MobiFon S.A. 8866 115 13 6 Bulgarian Telecommunication C LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 386 124 65 ImpSat 8151 267 373 128 UniNet S.A. de C.V. 11172 214 79 50 Servicios Alestra S.A de C.V 16814 203 13 7 NSS, S.A. 6147 160 82 21 Telefonica Del Peru 7303 143 53 32 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 15311 75 19 37 Telefonica Empresas 14420 73 5 32 ANDINATEL S.A. 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 68 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 89 272 79 The Internetworking Company o 11845 37 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 9129 27 3 4 UUNET Kenya 5713 26 125 24 Telkom SA Ltd 16637 25 9 18 Johnnic e-Ventures 6713 24 38 9 Itissalat Al-MAGHRIB 12455 24 4 2 Jambonet Autonomous system 14988 24 16 1 Botswana Telecommunications C 8524 23 2 4 AUCEGYPT Autonomous System 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 14 22 13 SONATEL-AS Autonomous System 15808 13 1 5 Communication Solutions Ltd i 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 704 696 Covad Communications 4134 770 630 Data Communications Bureau 4323 727 528 Time Warner Communications, I 6197 702 434 BellSouth Network Solutions, 9583 473 384 Satyam Infoway Ltd., 7843 496 381 Adelphia Corp. 701 1318 374 UUNET Technologies, Inc. 5668 380 363 Century Telephone 22909 387 358 Comcast Cable Corporation 6198 557 347 BellSouth Network Solutions, 27364 359 340 Armstrong Cable Services 22773 372 328 Cox Communications, Inc. Atla 6140 386 321 ImpSat 9929 345 312 China Netcom Corp. 6347 401 311 SAVVIS Communications Corpora 17676 341 308 XTAGE CORPORATION 4755 352 304 Videsh Sanchar Nigam Ltd. Aut 1239 937 298 Sprint 4355 391 290 EarthLink, Inc. 9443 354 276 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 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 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 30306 UNALLOCATED 212.85.220.0/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 212.85.220.0/22 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 212.85.221.0/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 212.85.222.0/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 212.85.223.0/24 5713 Telkom SA Ltd 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 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 /13:120 /14:293 /15:510 /16:7759 /17:2023 /18:3596 /19:9376 /20:9863 /21:7173 /22:10178 /23:11539 /24:74884 /25:214 /26:255 /27:132 /28:31 /29:8 /30:54 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 687 704 Covad Communications 7018 552 1449 AT&T 6197 533 702 BellSouth Network Solutions, 3356 508 896 Level 3 Communications, LLC 702 396 651 UUNET - Commercial IP service 6198 395 557 BellSouth Network Solutions, 701 367 1318 UUNET Technologies, Inc. 1239 361 937 Sprint 27364 347 359 Armstrong Cable Services 5668 332 380 Century Telephone 9583 314 473 Satyam Infoway Ltd., 4766 311 488 Korea Internet Exchange for " 20115 296 555 Charter Communications 9929 275 345 China Netcom Corp. 14824 250 275 NewSouth Communications Corp. 690 247 283 Merit Network 3320 245 296 Deutsche Telekom AG 25844 244 244 Skadden, Arps, Slate, Meagher 13609 235 276 Choice One Communications Inc 6517 231 257 Yipes Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:816 13:1 15:5 16:1 17:3 20:8 24:724 32:95 38:69 40:54 44:3 55:1 56:4 57:15 61:376 62:490 63:1827 64:1834 65:1987 66:2499 67:313 68:515 69:547 70:64 80:502 81:298 82:173 83:56 128:149 129:195 130:82 131:131 132:18 133:1 134:179 135:17 136:186 137:106 138:157 139:38 140:156 141:126 142:117 143:54 144:90 145:42 146:301 147:76 148:374 149:115 150:93 151:66 152:165 153:62 154:1 155:120 156:61 157:54 158:145 159:147 160:54 161:54 162:381 163:73 164:159 165:160 166:99 167:219 168:225 169:105 170:286 171:8 192:5531 193:2705 194:2030 195:1366 196:549 198:3678 199:3059 200:3350 201:7 202:4567 203:5535 204:3040 205:1992 206:2254 207:2438 208:2238 209:2787 210:1437 211:550 212:968 213:1157 214:56 215:28 216:3382 217:899 218:170 219:108 220:217 221:28 222:28 End of report
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