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Routing Table Report 04:00 +10GMT Fri 28 May, 2004
Analysis Summary ----------------
BGP routing table entries examined: 138022 Prefixes after maximum aggregation: 84007 Unique aggregates announced to Internet: 67496 Total ASes present in the Internet Routing Table: 17294 Origin-only ASes present in the Internet Routing Table: 14998 Origin ASes announcing only one prefix: 6971 Transit ASes present in the Internet Routing Table: 2296 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: 19 Number of addresses announced to Internet: 1291084540 Equivalent to 76 /8s, 244 /16s and 98 /24s Percentage of available address space announced: 34.8 Percentage of allocated address space announced: 57.2 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 61940
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 26450 Total APNIC prefixes after maximum aggregation: 13844 Prefixes being announced from the APNIC address blocks: 24755 Unique aggregates announced from the APNIC address blocks: 13895 APNIC Region origin ASes present in the Internet Routing Table: 2060 APNIC Region origin ASes announcing only one prefix: 610 APNIC Region transit ASes present in the Internet Routing Table: 334 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 148384512 Equivalent to 8 /8s, 216 /16s and 43 /24s Percentage of available APNIC address space announced: 67.7
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: 78857 Total ARIN prefixes after maximum aggregation: 49071 Prefixes being announced from the ARIN address blocks: 61090 Unique aggregates announced from the ARIN address blocks: 21669 ARIN Region origin ASes present in the Internet Routing Table: 9208 ARIN Region origin ASes announcing only one prefix: 3284 ARIN Region transit ASes present in the Internet Routing Table: 903 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 224509728 Equivalent to 13 /8s, 97 /16s and 191 /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: 25494 Total RIPE prefixes after maximum aggregation: 18181 Prefixes being announced from the RIPE address blocks: 22300 Unique aggregates announced from the RIPE address blocks: 14862 RIPE Region origin ASes present in the Internet Routing Table: 5484 RIPE Region origin ASes announcing only one prefix: 2949 RIPE Region transit ASes present in the Internet Routing Table: 937 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 162884608 Equivalent to 9 /8s, 181 /16s and 108 /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: 6066 Total LACNIC prefixes after maximum aggregation: 2239 Prefixes being announced from the LACNIC address blocks: 5711 Unique aggregates announced from the LACNIC address blocks: 3499 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: 74 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14905344 Equivalent to 0 /8s, 227 /16s and 112 /24s Percentage of available LACNIC address space announced: 44.4
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1148 Total AfriNIC prefixes after maximum aggregation: 672 Prefixes being announced from the AfriNIC address blocks: 779 Unique aggregates announced from the AfriNIC address blocks: 586 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: 5.0 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 849 1091 612 Telstra Pty Ltd 4134 735 3516 142 Data Communications Bureau 4766 487 2892 262 Korea Internet Exchange for " 9583 394 31 130 Satyam Infoway Ltd., 4755 358 125 51 Videsh Sanchar Nigam Ltd. Aut 9443 354 69 78 Primus Telecommunications 2907 353 1841 330 SINET Japan 9929 347 156 33 China Netcom Corp. 17676 341 5084 33 XTAGE CORPORATION 17557 330 23 165 Pakistan Telecom 703 328 375 255 UUNET 2764 296 275 242 connect.com.au pty ltd 7474 265 268 208 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 225 367 62 CHINA UNICOM 9498 219 48 47 BHARTI BT INTERNET LTD. 4780 210 193 26 Digital United Inc. 17974 182 35 106 PT TELEKOMUNIKASI INDONESIA 4837 181 2003 108 chinanet IDC center beijing n 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 1446 6892 1006 AT&T 701 1308 8544 937 UUNET Technologies, Inc. 1239 942 3033 644 Sprint 3356 894 10900 678 Level 3 Communications, LLC 209 741 3458 503 Qwest 4323 730 578 201 Time Warner Communications, I 6197 707 521 272 BellSouth Network Solutions, 18566 705 192 8 Covad Communications 6198 557 368 211 BellSouth Network Solutions, 20115 553 365 286 Charter Communications 852 516 1142 406 Telus Advanced Communications 7843 499 647 117 Adelphia Corp. 7132 447 7851 333 Southwestern Bell Internet Se 2386 428 584 232 AT&T Data Communications Serv 705 403 147 277 UUNET Technologies, Inc. 6347 401 391 90 SAVVIS Communications Corpora 4355 391 323 101 EarthLink, Inc. 22909 390 843 25 Comcast Cable Corporation 376 384 359 112 Reseau Interordinateurs Scien 5668 379 71 16 Century Telephone
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 650 2038 545 UUNET - Commercial IP service 3320 297 2477 237 Deutsche Telekom AG 8220 274 429 262 COLT Internet - International 3301 273 1096 263 TeliaNet Sweden 680 244 2025 239 DFN-IP service G-WiN 1257 244 495 199 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 199 463 196 Song Networks 5515 198 779 143 Sonera Solution Autonomous Sy 719 183 288 102 LANLINK autonomous system 3215 177 831 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 154 29 127 Dynamic Network Technologies, 5400 144 208 122 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 344 124 66 ImpSat 8151 268 373 129 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 14420 77 5 31 ANDINATEL S.A. 15311 75 19 37 Telefonica Empresas 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 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 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 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 735 593 Data Communications Bureau 4323 730 529 Time Warner Communications, I 6197 707 435 BellSouth Network Solutions, 7843 499 382 Adelphia Corp. 701 1308 371 UUNET Technologies, Inc. 22909 390 365 Comcast Cable Corporation 5668 379 363 Century Telephone 6198 557 346 BellSouth Network Solutions, 27364 363 344 Armstrong Cable Services 22773 374 328 Cox Communications, Inc. Atla 9929 347 314 China Netcom Corp. 6347 401 311 SAVVIS Communications Corpora 17676 341 308 XTAGE CORPORATION 4755 358 307 Videsh Sanchar Nigam Ltd. Aut 11172 359 304 Servicios Alestra S.A de C.V 1239 942 298 Sprint 4355 391 290 EarthLink, Inc. 6140 344 278 ImpSat 9443 354 276 Primus Telecommunications
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 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 223.255.0.0/16 1239 Sprint
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 /13:122 /14:294 /15:512 /16:7718 /17:2016 /18:3597 /19:9381 /20:9852 /21:7202 /22:10218 /23:11510 /24:74782 /25:217 /26:257 /27:137 /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 556 1446 AT&T 6197 538 707 BellSouth Network Solutions, 3356 509 894 Level 3 Communications, LLC 702 395 650 UUNET - Commercial IP service 6198 394 557 BellSouth Network Solutions, 701 366 1308 UUNET Technologies, Inc. 1239 363 942 Sprint 27364 351 363 Armstrong Cable Services 5668 332 379 Century Telephone 4766 310 487 Korea Internet Exchange for " 20115 294 553 Charter Communications 9929 277 347 China Netcom Corp. 14824 251 276 NewSouth Communications Corp. 690 247 283 Merit Network 3320 246 297 Deutsche Telekom AG 25844 244 244 Skadden, Arps, Slate, Meagher 9583 243 394 Satyam Infoway Ltd., 13609 236 277 Choice One Communications Inc 6517 235 261 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:817 13:1 15:5 16:2 17:3 20:8 24:730 32:101 38:69 40:54 44:3 55:1 56:3 57:15 61:381 62:482 63:1825 64:1840 65:1994 66:2516 67:314 68:519 69:523 70:64 80:497 81:292 82:169 83:62 128:146 129:187 130:77 131:79 132:16 133:1 134:180 135:17 136:186 137:92 138:141 139:42 140:157 141:126 142:117 143:50 144:86 145:42 146:301 147:76 148:403 149:118 150:93 151:71 152:165 153:62 154:1 155:120 156:60 157:59 158:144 159:146 160:52 161:55 162:377 163:75 164:158 165:161 166:99 167:219 168:226 169:106 170:286 171:8 192:5501 193:2724 194:2019 195:1345 196:555 198:3644 199:3021 200:3474 201:7 202:4588 203:5568 204:3018 205:1979 206:2219 207:2435 208:2249 209:2769 210:1376 211:555 212:960 213:1168 214:27 215:26 216:3386 217:919 218:168 219:109 220:233 221:28 222:36
End of report
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