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Routing Table Report 04:00 +10GMT Tue 08 Jun, 2004
Analysis Summary ----------------
BGP routing table entries examined: 140260 Prefixes after maximum aggregation: 84797 Unique aggregates announced to Internet: 67814 Total ASes present in the Internet Routing Table: 17369 Origin-only ASes present in the Internet Routing Table: 15073 Origin ASes announcing only one prefix: 6993 Transit ASes present in the Internet Routing Table: 2296 Transit-only ASes present in the Internet Routing Table: 71 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: 40 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1310653180 Equivalent to 78 /8s, 30 /16s and 250 /24s Percentage of available address space announced: 35.4 Percentage of allocated address space announced: 58.0 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 63960
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 26766 Total APNIC prefixes after maximum aggregation: 13826 Prefixes being announced from the APNIC address blocks: 25049 Unique aggregates announced from the APNIC address blocks: 13821 APNIC Region origin ASes present in the Internet Routing Table: 2066 APNIC Region origin ASes announcing only one prefix: 613 APNIC Region transit ASes present in the Internet Routing Table: 340 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 149582848 Equivalent to 8 /8s, 234 /16s and 116 /24s Percentage of available APNIC address space announced: 68.3
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: 80482 Total ARIN prefixes after maximum aggregation: 49749 Prefixes being announced from the ARIN address blocks: 62317 Unique aggregates announced from the ARIN address blocks: 21951 ARIN Region origin ASes present in the Internet Routing Table: 9238 ARIN Region origin ASes announcing only one prefix: 3281 ARIN Region transit ASes present in the Internet Routing Table: 901 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 225027872 Equivalent to 13 /8s, 105 /16s and 167 /24s Percentage of available ARIN address space announced: 74.5
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 - 33791 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: 25733 Total RIPE prefixes after maximum aggregation: 18305 Prefixes being announced from the RIPE address blocks: 22532 Unique aggregates announced from the RIPE address blocks: 15015 RIPE Region origin ASes present in the Internet Routing Table: 5527 RIPE Region origin ASes announcing only one prefix: 2970 RIPE Region transit ASes present in the Internet Routing Table: 940 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 163608320 Equivalent to 9 /8s, 192 /16s and 119 /24s Percentage of available RIPE address space announced: 57.4
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: 6105 Total LACNIC prefixes after maximum aggregation: 2245 Prefixes being announced from the LACNIC address blocks: 5714 Unique aggregates announced from the LACNIC address blocks: 3488 LACNIC Region origin ASes present in the Internet Routing Table: 379 LACNIC Region origin ASes announcing only one prefix: 107 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14994176 Equivalent to 0 /8s, 228 /16s and 203 /24s Percentage of available LACNIC address space announced: 44.7
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1139 Total AfriNIC prefixes after maximum aggregation: 672 Prefixes being announced from the AfriNIC address blocks: 776 Unique aggregates announced from the AfriNIC address blocks: 582 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 22 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: 15 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 845 1075 613 Telstra Pty Ltd 4134 790 3660 144 Data Communications Bureau 4766 491 2896 264 Korea Internet Exchange for " 9583 460 40 87 Satyam Infoway Ltd., 4755 363 133 51 Videsh Sanchar Nigam Ltd. Aut 9443 355 69 79 Primus Telecommunications 2907 352 1841 329 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 17557 330 23 165 Pakistan Telecom 703 329 375 256 UUNET 9929 323 156 33 China Netcom Corp. 2764 294 274 241 connect.com.au pty ltd 7474 263 267 206 Optus Communications Pty Ltd 9942 232 71 128 COMindico Australia 9800 225 367 62 CHINA UNICOM 9498 215 47 46 BHARTI BT INTERNET LTD. 4780 209 193 26 Digital United Inc. 10036 189 17 172 C&M Communication Co. Ltd. 17974 183 35 106 PT TELEKOMUNIKASI INDONESIA 4837 182 2019 105 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1439 6891 1001 AT&T 701 1304 8509 930 UUNET Technologies, Inc. 1239 937 3000 637 Sprint 6347 936 400 98 SAVVIS Communications Corpora 3356 894 10901 678 Level 3 Communications, LLC 4323 732 547 203 Time Warner Communications, I 209 728 3456 500 Qwest 6197 713 525 275 BellSouth Network Solutions, 18566 708 192 8 Covad Communications 6198 571 440 218 BellSouth Network Solutions, 20115 556 368 288 Charter Communications 852 512 1142 403 Telus Advanced Communications 7843 506 650 120 Adelphia Corp. 7132 452 7868 338 Southwestern Bell Internet Se 2386 432 582 233 AT&T Data Communications Serv 705 395 144 270 UUNET Technologies, Inc. 4355 393 323 103 EarthLink, Inc. 22909 390 843 25 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 702 645 2055 540 UUNET - Commercial IP service 3320 297 2477 237 Deutsche Telekom AG 3301 274 1097 264 TeliaNet Sweden 8220 273 429 261 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 1257 244 495 195 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 209 468 206 Song Networks 5515 198 779 143 Sonera Solution Autonomous Sy 719 180 288 102 LANLINK autonomous system 3215 178 831 68 France Telecom Transpac 8708 177 111 166 Romania Data Systems S.A. 25186 175 156 116 France Telecom Transpac's Tra 786 172 1778 172 The JANET IP Service 6746 156 29 127 Dynamic Network Technologies, 5400 142 206 118 BT Ignite European Backbone 3269 134 1099 64 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 125 18 31 MobiFon S.A. 1273 118 166 94 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 11172 358 96 56 Servicios Alestra S.A de C.V 6140 346 140 67 ImpSat 8151 272 373 130 UniNet 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 129 218 89 AVANTEL, S.A. 11992 101 9 28 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 79 5 16 Chilesat Servicios Empresari 14420 76 5 32 ANDINATEL S.A. 14535 75 6 5 Techtel S.A. 15311 75 19 37 Telefonica Empresas 11311 73 7 20 Sinectis S.A. 5639 72 8 8 Telecommunications Services o 4270 71 18 9 Red de Interconexion Universi 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 252 632 219 The Internet Solution 5536 108 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 89 276 79 The Internetworking Company o 11845 37 9 11 Data Pro Business Online 24835 30 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 7 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 6347 936 838 SAVVIS Communications Corpora 18566 708 700 Covad Communications 4134 790 646 Data Communications Bureau 4323 732 529 Time Warner Communications, I 6197 713 438 BellSouth Network Solutions, 7843 506 386 Adelphia Corp. 701 1304 374 UUNET Technologies, Inc. 9583 460 373 Satyam Infoway Ltd., 22909 390 365 Comcast Cable Corporation 5668 380 363 Century Telephone 6198 571 353 BellSouth Network Solutions, 27364 360 341 Armstrong Cable Services 22773 379 328 Cox Communications, Inc. Atla 4755 363 312 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 11172 358 302 Servicios Alestra S.A de C.V 1239 937 300 Sprint 4355 393 290 EarthLink, Inc. 9929 323 290 China Netcom Corp. 6140 346 279 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 64601 PRIVATE 61.233.0.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.1.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.2.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.3.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.4.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.5.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.6.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.7.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.8.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.10.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.11.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.12.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.14.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.15.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.16.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.17.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.18.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.19.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.20.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.21.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.22.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.23.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.24.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.25.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.26.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.27.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.28.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.29.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.30.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.31.0/24 9394 CHINA RAILWAY Intern 65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone 65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 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 /8:19 /9:3 /10:6 /11:15 /12:59 /13:124 /14:298 /15:513 /16:7852 /17:2049 /18:3617 /19:9410 /20:9903 /21:7233 /22:10305 /23:11676 /24:76430 /25:225 /26:255 /27:140 /28:31 /29:15 /30:68 /31:0 /32:14
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 713 936 SAVVIS Communications Corpora 18566 691 708 Covad Communications 7018 555 1439 AT&T 6197 542 713 BellSouth Network Solutions, 3356 509 894 Level 3 Communications, LLC 6198 400 571 BellSouth Network Solutions, 702 396 645 UUNET - Commercial IP service 701 371 1304 UUNET Technologies, Inc. 1239 368 937 Sprint 27364 348 360 Armstrong Cable Services 5668 332 380 Century Telephone 4766 312 491 Korea Internet Exchange for " 9583 301 460 Satyam Infoway Ltd., 20115 295 556 Charter Communications 9929 256 323 China Netcom Corp. 14824 251 277 NewSouth Communications Corp. 690 246 282 Merit Network 3320 246 297 Deutsche Telekom AG 25844 244 244 Skadden, Arps, Slate, Meagher 13609 236 277 Choice One Communications Inc
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:825 13:1 15:5 16:2 17:3 20:8 24:732 32:65 33:1 38:67 40:54 44:3 55:1 56:3 57:15 61:429 62:500 63:1816 64:1966 65:2006 66:2579 67:324 68:528 69:545 70:64 80:491 81:306 82:174 83:70 128:142 129:184 130:82 131:177 132:21 133:1 134:178 135:17 136:184 137:92 138:157 139:44 140:166 141:125 142:116 143:55 144:90 145:42 146:303 147:77 148:418 149:120 150:93 151:71 152:165 153:62 154:1 155:118 156:62 157:60 158:145 159:146 160:52 161:56 162:380 163:75 164:178 165:159 166:94 167:218 168:226 169:106 170:284 171:8 192:5560 193:2743 194:2026 195:1376 196:555 198:3713 199:3105 200:3471 201:7 202:4601 203:5642 204:3092 205:2045 206:2283 207:2505 208:2231 209:2909 210:1421 211:565 212:977 213:1184 214:62 215:30 216:3670 217:952 218:163 219:108 220:228 221:28 222:42
End of report
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