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Routing Table Report 04:00 +10GMT Wed 26 May, 2004
Analysis Summary ----------------
BGP routing table entries examined: 138228 Prefixes after maximum aggregation: 84191 Unique aggregates announced to Internet: 67271 Total ASes present in the Internet Routing Table: 17290 Origin-only ASes present in the Internet Routing Table: 14995 Origin ASes announcing only one prefix: 6966 Transit ASes present in the Internet Routing Table: 2295 Transit-only ASes present in the Internet Routing Table: 78 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: 11 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1290026236 Equivalent to 76 /8s, 228 /16s and 60 /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: 61939
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 26372 Total APNIC prefixes after maximum aggregation: 13830 Prefixes being announced from the APNIC address blocks: 24676 Unique aggregates announced from the APNIC address blocks: 13866 APNIC Region origin ASes present in the Internet Routing Table: 2058 APNIC Region origin ASes announcing only one prefix: 613 APNIC Region transit ASes present in the Internet Routing Table: 328 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 147557888 Equivalent to 8 /8s, 203 /16s and 142 /24s Percentage of available APNIC address space announced: 67.3
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: 79122 Total ARIN prefixes after maximum aggregation: 49277 Prefixes being announced from the ARIN address blocks: 61177 Unique aggregates announced from the ARIN address blocks: 21581 ARIN Region origin ASes present in the Internet Routing Table: 9205 ARIN Region origin ASes announcing only one prefix: 3282 ARIN Region transit ASes present in the Internet Routing Table: 908 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 224481056 Equivalent to 13 /8s, 97 /16s and 79 /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: 25523 Total RIPE prefixes after maximum aggregation: 18174 Prefixes being announced from the RIPE address blocks: 22340 Unique aggregates announced from the RIPE address blocks: 14827 RIPE Region origin ASes present in the Internet Routing Table: 5483 RIPE Region origin ASes announcing only one prefix: 2944 RIPE Region transit ASes present in the Internet Routing Table: 942 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 162850048 Equivalent to 9 /8s, 180 /16s and 229 /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: 6054 Total LACNIC prefixes after maximum aggregation: 2237 Prefixes being announced from the LACNIC address blocks: 5698 Unique aggregates announced from the LACNIC address blocks: 3484 LACNIC Region origin ASes present in the Internet Routing Table: 377 LACNIC Region origin ASes announcing only one prefix: 105 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14946304 Equivalent to 0 /8s, 228 /16s and 16 /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: 1151 Total AfriNIC prefixes after maximum aggregation: 673 Prefixes being announced from the AfriNIC address blocks: 772 Unique aggregates announced from the AfriNIC address blocks: 581 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: 16 Number of AfriNIC addresses announced to Internet: 1864960 Equivalent to 0 /8s, 28 /16s and 117 /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 854 1091 616 Telstra Pty Ltd 4134 771 3515 141 Data Communications Bureau 4766 487 2892 262 Korea Internet Exchange for " 9583 381 30 132 Satyam Infoway Ltd., 4755 369 124 54 Videsh Sanchar Nigam Ltd. Aut 9443 354 69 78 Primus Telecommunications 2907 353 1841 330 SINET Japan 9929 346 156 33 China Netcom Corp. 17676 341 5084 33 XTAGE CORPORATION 703 329 375 256 UUNET 17557 327 23 167 Pakistan Telecom 2764 295 274 241 connect.com.au pty ltd 7474 265 268 208 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 219 364 72 CHINA UNICOM 9498 218 48 47 BHARTI BT INTERNET LTD. 4780 212 193 26 Digital United Inc. 10036 180 16 168 C&M Communication Co. Ltd. 4837 177 1811 106 chinanet IDC center beijing n 9304 170 161 25 Hutchison Telecom (HK)
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1448 6892 1009 AT&T 701 1312 8545 940 UUNET Technologies, Inc. 1239 938 3016 641 Sprint 3356 878 10867 663 Level 3 Communications, LLC 209 735 3458 500 Qwest 4323 728 577 200 Time Warner Communications, I 18566 705 192 8 Covad Communications 6197 704 520 270 BellSouth Network Solutions, 6198 558 368 211 BellSouth Network Solutions, 20115 556 366 291 Charter Communications 852 513 1142 404 Telus Advanced Communications 7843 497 647 116 Adelphia Corp. 7132 447 7851 333 Southwestern Bell Internet Se 2386 428 585 232 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 389 843 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 702 650 2037 545 UUNET - Commercial IP service 3320 296 2477 236 Deutsche Telekom AG 8220 273 429 261 COLT Internet - International 3301 272 1096 262 TeliaNet Sweden 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 198 779 143 Sonera Solution Autonomous Sy 719 180 288 102 LANLINK autonomous system 3215 176 831 68 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 145 209 123 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 11172 359 80 55 Servicios Alestra S.A de C.V 6140 353 124 66 ImpSat 8151 267 373 128 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 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 5639 72 8 8 Telecommunications Services o 14420 72 5 31 ANDINATEL S.A. 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 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 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 705 697 Covad Communications 4134 771 630 Data Communications Bureau 4323 728 528 Time Warner Communications, I 6197 704 434 BellSouth Network Solutions, 7843 497 381 Adelphia Corp. 701 1312 372 UUNET Technologies, Inc. 22909 389 364 Comcast Cable Corporation 5668 380 363 Century Telephone 6198 558 347 BellSouth Network Solutions, 27364 360 341 Armstrong Cable Services 22773 374 328 Cox Communications, Inc. Atla 4755 369 315 Videsh Sanchar Nigam Ltd. Aut 9929 346 313 China Netcom Corp. 6347 401 311 SAVVIS Communications Corpora 17676 341 308 XTAGE CORPORATION 11172 359 304 Servicios Alestra S.A de C.V 1239 938 297 Sprint 4355 391 290 EarthLink, Inc. 6140 353 287 ImpSat 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 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 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 /13:121 /14:294 /15:511 /16:7748 /17:2018 /18:3592 /19:9384 /20:9853 /21:7192 /22:10193 /23:11526 /24:74990 /25:217 /26:252 /27:130 /28:31 /29:8 /30:55 /31:0 /32:12
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 688 705 Covad Communications 7018 554 1448 AT&T 6197 535 704 BellSouth Network Solutions, 3356 502 878 Level 3 Communications, LLC 702 396 650 UUNET - Commercial IP service 6198 395 558 BellSouth Network Solutions, 701 367 1312 UUNET Technologies, Inc. 1239 361 938 Sprint 27364 348 360 Armstrong Cable Services 5668 332 380 Century Telephone 4766 310 487 Korea Internet Exchange for " 20115 297 556 Charter Communications 9929 276 346 China Netcom Corp. 14824 251 276 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 9583 234 381 Satyam Infoway Ltd., 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 32:100 38:69 40:54 44:3 55:1 56:4 57:15 61:380 62:489 63:1824 64:1836 65:1990 66:2500 67:312 68:517 69:525 70:64 80:499 81:297 82:175 83:63 128:145 129:195 130:81 131:131 132:18 133:1 134:179 135:17 136:185 137:92 138:156 139:42 140:157 141:126 142:117 143:54 144:86 145:42 146:299 147:76 148:402 149:114 150:93 151:66 152:165 153:62 154:1 155:120 156:61 157:58 158:145 159:145 160:53 161:54 162:380 163:75 164:160 165:161 166:99 167:219 168:226 169:105 170:286 171:8 192:5533 193:2706 194:2023 195:1368 196:549 198:3675 199:3062 200:3459 201:7 202:4572 203:5555 204:3051 205:1991 206:2255 207:2452 208:2244 209:2787 210:1359 211:551 212:967 213:1162 214:56 215:28 216:3352 217:921 218:171 219:109 220:226 221:28 222:36
End of report
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