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Routing Table Report 04:00 +10GMT Sun 06 Jun, 2004
Analysis Summary ----------------
BGP routing table entries examined: 139825 Prefixes after maximum aggregation: 84639 Unique aggregates announced to Internet: 67505 Total ASes present in the Internet Routing Table: 17349 Origin-only ASes present in the Internet Routing Table: 15046 Origin ASes announcing only one prefix: 6988 Transit ASes present in the Internet Routing Table: 2303 Transit-only ASes present in the Internet Routing Table: 74 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: 42 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1310253308 Equivalent to 78 /8s, 24 /16s and 224 /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: 63676
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 26685 Total APNIC prefixes after maximum aggregation: 13808 Prefixes being announced from the APNIC address blocks: 24976 Unique aggregates announced from the APNIC address blocks: 13788 APNIC Region origin ASes present in the Internet Routing Table: 2061 APNIC Region origin ASes announcing only one prefix: 611 APNIC Region transit ASes present in the Internet Routing Table: 336 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 149564928 Equivalent to 8 /8s, 234 /16s and 46 /24s Percentage of available APNIC address space announced: 68.2
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: 80201 Total ARIN prefixes after maximum aggregation: 49611 Prefixes being announced from the ARIN address blocks: 62025 Unique aggregates announced from the ARIN address blocks: 21739 ARIN Region origin ASes present in the Internet Routing Table: 9228 ARIN Region origin ASes announcing only one prefix: 3277 ARIN Region transit ASes present in the Internet Routing Table: 902 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 224981280 Equivalent to 13 /8s, 104 /16s and 241 /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: 25671 Total RIPE prefixes after maximum aggregation: 18294 Prefixes being announced from the RIPE address blocks: 22472 Unique aggregates announced from the RIPE address blocks: 14967 RIPE Region origin ASes present in the Internet Routing Table: 5518 RIPE Region origin ASes announcing only one prefix: 2969 RIPE Region transit ASes present in the Internet Routing Table: 949 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 163467520 Equivalent to 9 /8s, 190 /16s and 81 /24s Percentage of available RIPE address space announced: 57.3
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, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 6093 Total LACNIC prefixes after maximum aggregation: 2252 Prefixes being announced from the LACNIC address blocks: 5706 Unique aggregates announced from the LACNIC address blocks: 3484 LACNIC Region origin ASes present in the Internet Routing Table: 381 LACNIC Region origin ASes announcing only one prefix: 109 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: 15001344 Equivalent to 0 /8s, 228 /16s and 231 /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: 1138 Total AfriNIC prefixes after maximum aggregation: 674 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: 12 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 843 1075 611 Telstra Pty Ltd 4134 798 3660 144 Data Communications Bureau 4766 491 2896 264 Korea Internet Exchange for " 9583 464 40 86 Satyam Infoway Ltd., 4755 367 133 53 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 264 268 207 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 225 367 62 CHINA UNICOM 9498 216 47 46 BHARTI BT INTERNET LTD. 4780 209 193 26 Digital United Inc. 4837 182 2019 105 chinanet IDC center beijing n 17974 182 35 106 PT TELEKOMUNIKASI INDONESIA 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 1438 6891 1002 AT&T 701 1315 8513 941 UUNET Technologies, Inc. 1239 938 3000 638 Sprint 6347 938 400 99 SAVVIS Communications Corpora 3356 893 10900 677 Level 3 Communications, LLC 4323 730 547 201 Time Warner Communications, I 209 726 3456 498 Qwest 6197 712 525 274 BellSouth Network Solutions, 18566 708 192 8 Covad Communications 6198 570 440 218 BellSouth Network Solutions, 20115 555 367 288 Charter Communications 852 512 1142 403 Telus Advanced Communications 7843 506 650 120 Adelphia Corp. 7132 450 7866 336 Southwestern Bell Internet Se 2386 430 582 231 AT&T Data Communications Serv 705 393 144 268 UUNET Technologies, Inc. 4355 393 323 103 EarthLink, Inc. 22909 390 843 25 Comcast Cable Corporation 5668 380 71 17 Century Telephone 376 379 359 111 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 641 2040 537 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 176 831 68 France Telecom Transpac 8708 176 111 165 Romania Data Systems S.A. 25186 174 156 116 France Telecom Transpac's Tra 786 173 1794 173 The JANET IP Service 6746 156 29 127 Dynamic Network Technologies, 5400 145 207 121 BT Ignite European Backbone 3269 134 1099 64 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 124 18 30 MobiFon S.A. 8866 118 13 7 Bulgarian Telecommunication C
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 11172 350 80 55 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 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 14420 71 5 32 ANDINATEL 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 252 632 219 The Internet Solution 5536 108 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 88 276 78 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 26 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 938 839 SAVVIS Communications Corpora 18566 708 700 Covad Communications 4134 798 654 Data Communications Bureau 4323 730 529 Time Warner Communications, I 6197 712 438 BellSouth Network Solutions, 7843 506 386 Adelphia Corp. 9583 464 378 Satyam Infoway Ltd., 701 1315 374 UUNET Technologies, Inc. 22909 390 365 Comcast Cable Corporation 5668 380 363 Century Telephone 6198 570 352 BellSouth Network Solutions, 27364 360 341 Armstrong Cable Services 22773 379 328 Cox Communications, Inc. Atla 4755 367 314 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 1239 938 300 Sprint 11172 350 295 Servicios Alestra S.A de C.V 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 65021 PRIVATE 128.216.2.0/24 619 Department of Navy 65021 PRIVATE 128.216.3.0/24 619 Department of Navy 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 /16:7844 /17:2050 /18:3617 /19:9418 /20:9895 /21:7231 /22:10295 /23:11637 /24:76057 /25:224 /26:253 /27:139 /28:31 /29:15 /30:68 /31:0 /32:14
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 715 938 SAVVIS Communications Corpora 18566 691 708 Covad Communications 7018 553 1438 AT&T 6197 541 712 BellSouth Network Solutions, 3356 509 893 Level 3 Communications, LLC 6198 399 570 BellSouth Network Solutions, 702 393 641 UUNET - Commercial IP service 701 372 1315 UUNET Technologies, Inc. 1239 369 938 Sprint 27364 348 360 Armstrong Cable Services 5668 332 380 Century Telephone 4766 312 491 Korea Internet Exchange for " 9583 303 464 Satyam Infoway Ltd., 20115 295 555 Charter Communications 9929 256 323 China Netcom Corp. 14824 251 276 NewSouth Communications Corp. 690 246 282 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 12:815 13:1 15:5 16:2 17:3 20:8 24:730 32:101 33:1 38:67 40:54 44:3 55:1 56:3 57:16 61:417 62:477 63:1813 64:1955 65:2003 66:2579 67:323 68:528 69:545 70:64 80:489 81:303 82:174 83:66 128:143 129:186 130:81 131:177 132:21 133:1 134:181 135:17 136:186 137:92 138:157 139:41 140:166 141:125 142:116 143:54 144:90 145:42 146:302 147:76 148:417 149:121 150:92 151:71 152:165 153:62 154:1 155:116 156:62 157:60 158:145 159:146 160:52 161:56 162:379 163:75 164:179 165:161 166:100 167:219 168:223 169:106 170:285 171:8 192:5552 193:2746 194:2024 195:1366 196:555 198:3695 199:3094 200:3460 201:7 202:4594 203:5598 204:3076 205:2049 206:2277 207:2488 208:2231 209:2904 210:1422 211:565 212:981 213:1183 214:61 215:25 216:3487 217:944 218:163 219:108 220:229 221:28 222:41
End of report
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