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Routing Table Report 04:00 +10GMT Sun 02 May, 2004
Analysis Summary ----------------
BGP routing table entries examined: 137315 Prefixes after maximum aggregation: 83321 Unique aggregates announced to Internet: 66418 Total ASes present in the Internet Routing Table: 17123 Origin-only ASes present in the Internet Routing Table: 14853 Origin ASes announcing only one prefix: 6876 Transit ASes present in the Internet Routing Table: 2270 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: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 17 Number of addresses announced to Internet: 1283697060 Equivalent to 76 /8s, 131 /16s and 169 /24s Percentage of available address space announced: 34.6 Percentage of allocated address space announced: 56.8 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 100234
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 26210 Total APNIC prefixes after maximum aggregation: 13630 Prefixes being announced from the APNIC address blocks: 24524 Unique aggregates announced from the APNIC address blocks: 13619 APNIC Region origin ASes present in the Internet Routing Table: 2041 APNIC Region origin ASes announcing only one prefix: 605 APNIC Region transit ASes present in the Internet Routing Table: 327 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 145802240 Equivalent to 8 /8s, 176 /16s and 196 /24s Percentage of available APNIC address space announced: 66.5
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: 78991 Total ARIN prefixes after maximum aggregation: 48860 Prefixes being announced from the ARIN address blocks: 61025 Unique aggregates announced from the ARIN address blocks: 21479 ARIN Region origin ASes present in the Internet Routing Table: 9153 ARIN Region origin ASes announcing only one prefix: 3258 ARIN Region transit ASes present in the Internet Routing Table: 898 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 222139936 Equivalent to 13 /8s, 61 /16s and 150 /24s Percentage of available ARIN address space announced: 73.6
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: 25134 Total RIPE prefixes after maximum aggregation: 17937 Prefixes being announced from the RIPE address blocks: 21940 Unique aggregates announced from the RIPE address blocks: 14438 RIPE Region origin ASes present in the Internet Routing Table: 5388 RIPE Region origin ASes announcing only one prefix: 2887 RIPE Region transit ASes present in the Internet Routing Table: 930 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 160299264 Equivalent to 9 /8s, 141 /16s and 249 /24s Percentage of available RIPE address space announced: 56.2
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: 5837 Total LACNIC prefixes after maximum aggregation: 2220 Prefixes being announced from the LACNIC address blocks: 5491 Unique aggregates announced from the LACNIC address blocks: 3425 LACNIC Region origin ASes present in the Internet Routing Table: 374 LACNIC Region origin ASes announcing only one prefix: 103 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: 14703104 Equivalent to 0 /8s, 224 /16s and 90 /24s Percentage of available LACNIC address space announced: 43.8
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1142 Total AfriNIC prefixes after maximum aggregation: 674 Prefixes being announced from the AfriNIC address blocks: 754 Unique aggregates announced from the AfriNIC address blocks: 560 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 23 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: 1839872 Equivalent to 0 /8s, 28 /16s and 19 /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 853 1091 622 Telstra Pty Ltd 4134 768 3480 138 Data Communications Bureau 4766 480 2917 258 Korea Internet Exchange for " 9583 462 40 80 Satyam Infoway Ltd., 4755 357 125 49 Videsh Sanchar Nigam Ltd. Aut 9443 354 69 78 Primus Telecommunications 2907 353 1840 329 SINET Japan 9929 342 155 31 China Netcom Corp. 17676 341 5084 33 XTAGE CORPORATION 703 334 373 257 UUNET 17557 325 23 164 Pakistan Telecom 2764 293 274 241 connect.com.au pty ltd 7474 272 284 213 Optus Communications Pty Ltd 9942 222 70 125 COMindico Australia 9800 219 364 59 CHINA UNICOM 4780 212 193 26 Digital United Inc. 9498 210 31 44 BHARTI BT INTERNET LTD. 4837 182 1683 105 chinanet IDC center beijing n 9304 170 161 25 Hutchison Telecom (HK) 7633 159 23 43 Software Technology Parks of
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1447 6957 1004 AT&T 701 1318 8522 944 UUNET Technologies, Inc. 1239 931 3000 629 Sprint 3356 894 10967 686 Level 3 Communications, LLC 209 744 3474 505 Qwest 4323 718 561 199 Time Warner Communications, I 6197 700 514 259 BellSouth Network Solutions, 18566 700 192 8 Covad Communications 6198 565 369 207 BellSouth Network Solutions, 852 514 1143 405 Telus Advanced Communications 20115 511 337 276 Charter Communications 7066 504 208 273 Virginia Polytechnic Institut 7843 501 639 113 Adelphia Corp. 7132 449 7847 332 Southwestern Bell Internet Se 2386 422 578 228 AT&T Data Communications Serv 705 399 145 274 UUNET Technologies, Inc. 6347 392 387 96 SAVVIS Communications Corpora 4355 391 323 101 EarthLink, Inc. 27364 387 30 24 Armstrong Cable Services 22909 385 840 24 Comcast Cable Corporation
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 660 2038 551 UUNET - Commercial IP service 3320 297 2477 237 Deutsche Telekom AG 8220 268 412 255 COLT Internet - International 3301 267 968 257 TeliaNet Sweden 680 244 2025 239 DFN-IP service G-WiN 1257 243 511 196 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 5515 201 779 143 Sonera Solution Autonomous Sy 3246 199 450 196 Song Networks 719 197 288 103 LANLINK autonomous system 25186 176 188 117 France Telecom Transpac's Tra 786 175 1826 175 The JANET IP Service 3215 175 839 69 France Telecom Transpac 8708 175 111 164 Romania Data Systems S.A. 5400 155 238 136 BT Ignite European Backbone 6746 138 28 114 Dynamic Network Technologies, 3269 134 1101 65 TELECOM ITALIA 3303 133 607 133 Swisscom Ltd 12302 122 18 29 MobiFon S.A. 1273 112 166 89 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 379 122 74 ImpSat 8151 260 357 128 UniNet S.A. de C.V. 11172 211 76 46 Servicios Alestra S.A de C.V 16814 171 11 6 NSS, S.A. 6147 152 78 20 Telefonica Del Peru 7303 141 53 28 Telecom Argentina Stet-France 6505 132 90 91 Global One Communicaoes Ltda 6503 130 219 89 AVANTEL, S.A. 11556 88 73 25 Cable-Wireless Panama 11992 88 9 28 Integrated Systems 6535 79 5 19 Chilesat Servicios Empresari 14420 77 5 33 ANDINATEL S.A. 15311 74 18 37 Telefonica Empresas 4270 71 18 9 Red de Interconexion Universi 11311 70 7 15 Sinectis S.A. 14535 70 6 5 Techtel S.A. 14259 69 4 5 GTD Internet S.A. 5639 64 7 13 Telecommunications Services o 7080 64 4 1 Electronica y Comunicaciones 10292 63 6 25 TELECOMMUNICATIONS OF JAMAICA
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 254 632 219 The Internet Solution 5536 106 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 89 272 79 The Internetworking Company o 11845 36 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 9129 29 3 4 UUNET Kenya 5713 26 125 24 Telkom SA Ltd 12455 25 4 2 Jambonet Autonomous system 16637 25 9 18 Johnnic e-Ventures 6713 24 38 9 Itissalat Al-MAGHRIB 14988 24 16 1 Botswana Telecommunications C 8524 22 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 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS 3208 12 2 1 ARN Network 8346 12 6 12 SONATEL-AS Autonomous System
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 18566 700 692 Covad Communications 4134 768 630 Data Communications Bureau 4323 718 519 Time Warner Communications, I 6197 700 441 BellSouth Network Solutions, 7843 501 388 Adelphia Corp. 9583 462 382 Satyam Infoway Ltd., 701 1318 374 UUNET Technologies, Inc. 27364 387 363 Armstrong Cable Services 22909 385 361 Comcast Cable Corporation 5668 376 360 Century Telephone 6198 565 358 BellSouth Network Solutions, 22773 363 326 Cox Communications, Inc. Atla 9929 342 311 China Netcom Corp. 4755 357 308 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 6140 379 305 ImpSat 1239 931 302 Sprint 6347 392 296 SAVVIS Communications Corpora 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 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 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 192.83.16.0/20 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
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 /12:58 /13:113 /14:293 /15:508 /16:7744 /17:2002 /18:3550 /19:9335 /20:9770 /21:7061 /22:10037 /23:11422 /24:74687 /25:206 /26:249 /27:141 /28:30 /29:4 /30:51 /31:0 /32:12
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7018 1084 1447 AT&T 701 994 1318 UUNET Technologies, Inc. 1221 759 853 Telstra Pty Ltd 18566 683 700 Covad Communications 1239 666 931 Sprint 3356 649 894 Level 3 Communications, LLC 6197 589 700 BellSouth Network Solutions, 4323 504 718 Time Warner Communications, I 209 492 744 Qwest 7066 475 504 Virginia Polytechnic Institut 6198 457 565 BellSouth Network Solutions, 9583 448 462 Satyam Infoway Ltd., 702 437 660 UUNET - Commercial IP service 4766 392 480 Korea Internet Exchange for " 27364 379 387 Armstrong Cable Services 5668 357 376 Century Telephone 6140 354 379 ImpSat 705 353 399 UUNET Technologies, Inc. 852 352 514 Telus Advanced Communications 2386 344 422 AT&T Data Communications Serv
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:818 13:1 15:4 16:1 17:3 20:8 24:750 32:96 38:65 40:54 44:3 55:1 56:4 57:13 61:406 62:467 63:1853 64:1852 65:1957 66:2504 67:302 68:524 69:520 70:64 80:497 81:277 82:156 83:44 128:148 129:204 130:77 131:89 132:19 133:1 134:185 135:17 136:188 137:104 138:151 139:38 140:152 141:134 142:111 143:52 144:91 145:41 146:292 147:77 148:368 149:106 150:93 151:64 152:184 153:62 154:1 155:123 156:58 157:54 158:145 159:147 160:51 161:53 162:379 163:78 164:330 165:163 166:98 167:210 168:218 169:105 170:287 171:8 192:5529 193:2674 194:2025 195:1360 196:536 198:3642 199:3024 200:3286 201:8 202:4585 203:5508 204:2990 205:1976 206:2279 207:2483 208:2284 209:2856 210:1378 211:515 212:932 213:1144 214:36 215:28 216:3385 217:887 218:169 219:100 220:209 221:28 222:28
End of report
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