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Routing Table Report 04:00 +10GMT Mon 21 Feb, 2005
Analysis Summary ----------------
BGP routing table entries examined: 156377 Prefixes after maximum aggregation: 91102 Unique aggregates announced to Internet: 75328 Total ASes present in the Internet Routing Table: 19005 Origin-only ASes present in the Internet Routing Table: 16515 Origin ASes announcing only one prefix: 7733 Transit ASes present in the Internet Routing Table: 2490 Transit-only ASes present in the Internet Routing Table: 82 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 23 Prefixes from unregistered ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1377207624 Equivalent to 82 /8s, 22 /16s and 133 /24s Percentage of available address space announced: 37.2 Percentage of allocated address space announced: 58.7 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 72976
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 31204 Total APNIC prefixes after maximum aggregation: 14982 Prefixes being announced from the APNIC address blocks: 29253 Unique aggregates announced from the APNIC address blocks: 14900 APNIC Region origin ASes present in the Internet Routing Table: 2209 APNIC Region origin ASes announcing only one prefix: 651 APNIC Region transit ASes present in the Internet Routing Table: 327 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 174103424 Equivalent to 10 /8s, 96 /16s and 155 /24s Percentage of available APNIC address space announced: 64.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 23552-24575 APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 87356 Total ARIN prefixes after maximum aggregation: 52565 Prefixes being announced from the ARIN address blocks: 66487 Unique aggregates announced from the ARIN address blocks: 24369 ARIN Region origin ASes present in the Internet Routing Table: 9882 ARIN Region origin ASes announcing only one prefix: 3589 ARIN Region transit ASes present in the Internet Routing Table: 956 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 239365888 Equivalent to 14 /8s, 68 /16s and 111 /24s Percentage of available ARIN address space announced: 71.3
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, 29696-30719, 31744-33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 29621 Total RIPE prefixes after maximum aggregation: 20430 Prefixes being announced from the RIPE address blocks: 26492 Unique aggregates announced from the RIPE address blocks: 17627 RIPE Region origin ASes present in the Internet Routing Table: 6320 RIPE Region origin ASes announcing only one prefix: 3340 RIPE Region transit ASes present in the Internet Routing Table: 1077 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 192105280 Equivalent to 11 /8s, 115 /16s and 75 /24s Percentage of available RIPE address space announced: 67.4
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, 33792-34815 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: 6844 Total LACNIC prefixes after maximum aggregation: 2414 Prefixes being announced from the LACNIC address blocks: 6755 Unique aggregates announced from the LACNIC address blocks: 4011 LACNIC Region origin ASes present in the Internet Routing Table: 419 LACNIC Region origin ASes announcing only one prefix: 128 LACNIC Region transit ASes present in the Internet Routing Table: 80 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 17509120 Equivalent to 1 /8s, 11 /16s and 43 /24s Percentage of available LACNIC address space announced: 52.2
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1345 Total AfriNIC prefixes after maximum aggregation: 711 Prefixes being announced from the AfriNIC address blocks: 906 Unique aggregates announced from the AfriNIC address blocks: 715 AfriNIC Region origin ASes present in the Internet Routing Table: 97 AfriNIC Region origin ASes announcing only one prefix: 25 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2177024 Equivalent to 0 /8s, 33 /16s and 56 /24s Percentage of available AfriNIC address space announced: 13.0
AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4134 885 4712 174 Data Communications Bureau 1221 793 1186 566 Telstra Pty Ltd 9583 593 49 15 Satyam Infoway Ltd., 4766 590 3415 281 Korea Internet Exchange for " 7545 500 86 69 TPG Internet Pty Ltd 4755 458 241 101 Videsh Sanchar Nigam Ltd. Aut 17676 398 5980 66 XTAGE CORPORATION 9443 374 77 79 Primus Telecommunications 9929 351 165 36 China Netcom Corp. 2907 348 1839 322 SINET Japan 17557 322 24 148 Pakistan Telecom 10036 293 27 269 C&M Communication Co. Ltd. 7474 285 283 207 Optus Communications Pty Ltd 703 273 355 214 UUNET 2764 260 238 208 connect.com.au pty ltd 9498 238 81 54 BHARTI BT INTERNET LTD. 9800 237 383 75 CHINA UNICOM 4808 236 170 128 CHINANET core WAN North 4802 231 28 140 Wantree Development 17974 231 63 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1471 6602 973 AT&T WorldNet Services 721 1140 21819 317 DLA Systems Automation Center 701 1028 8308 878 UUNET Technologies, Inc. 4323 1027 668 219 Time Warner Telecom 1239 951 2874 656 Sprint 6197 864 379 404 BellSouth Network Solutions, 2386 824 496 612 AT&T Data Communications Serv 18566 767 208 6 Covad Communications 209 646 3466 498 Qwest 3356 593 10852 442 Level 3 Communications, LLC 20115 581 484 302 Charter Communications 3561 562 2372 418 Cable & Wireless USA 852 524 1126 399 Telus Advanced Communications 3602 497 120 93 Sprint Canada, Inc. 6478 496 821 104 AT&T Worldnet Services 174 486 5471 421 PSINet Inc. 22773 472 1090 24 Cox Communications, Inc. Atla 27364 464 43 18 Armstrong Cable Services 6198 463 566 187 BellSouth Network Solutions, 5668 450 91 19 Century Telephone
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 607 2022 504 UUNET - Commercial IP service 3320 296 2992 230 Deutsche Telekom AG 3301 289 1112 277 TeliaNet Sweden 8220 277 466 271 COLT Internet - International 680 253 2041 239 DFN-IP service G-WiN 3246 229 476 223 Song Networks 8708 218 120 197 Romania Data Systems S.A. 13083 217 51 8 Mannesmann Datenverarbeitung 1257 204 708 170 SWIPnet Swedish IP Network 3215 202 1025 80 France Telecom Transpac 5515 187 842 135 Sonera Solution Autonomous Sy 6746 179 47 143 Dynamic Network Technologies, 786 176 1794 176 The JANET IP Service 8866 175 19 21 Bulgarian Telecommunication C 719 163 322 105 LANLINK autonomous system 3269 163 1424 72 TELECOM ITALIA 3300 163 184 84 AUCS Communications Services 25186 141 138 99 France Telecom Transpac's Tra 5400 137 234 121 BT Ignite European Backbone 9051 128 8 33 INCONET Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 361 140 70 ImpSat 8151 335 501 142 UniNet S.A. de C.V. 16814 233 14 6 NSS, S.A. 11172 221 101 55 Servicios Alestra S.A de C.V 6147 189 102 20 Telefonica Del Peru 11664 150 19 24 Keytech SA 7303 146 66 30 Telecom Argentina Stet-France 6505 135 90 91 Global One Communicaoes Ltda 14117 119 7 5 Telefonica del Sur S.A. 6503 117 146 80 AVANTEL, S.A. 11992 107 9 31 Integrated Systems 11556 97 48 3 Cable-Wireless Panama 13999 92 52 9 Mega Cable S.A. de C.V. 14420 87 6 42 ANDINATEL S.A. 11311 86 8 22 Sinectis S.A. 6535 85 7 23 Chilesat Servicios Empresari 10481 82 32 7 Prima S.A. 5639 81 8 8 Telecommunications Services o 4270 78 18 9 Red de Interconexion Universi 15311 78 25 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 268 635 225 The Internet Solution 5536 114 15 18 Internet Egypt Network 2018 90 295 87 Tertiary Education Network 20928 85 16 2 Noor Advanced Technologies AS 2905 84 267 76 The Internetworking Company o 24835 53 34 6 RAYA Telecom - Egypt 8452 39 20 5 TEDATA 6713 35 54 9 Itissalat Al-MAGHRIB 11845 35 9 11 Data Pro Business Online 9129 30 3 2 UUNET Kenya 12455 29 6 7 Jambonet Autonomous system 5713 27 141 24 Telkom SA Ltd 8524 23 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 19 1 11 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 21280 17 2 3 Swift Global Kenya Ltd.Is an 15706 15 4 2 Sudatel Internet Exchange Aut 21491 15 1 3 UTL On-line is RF broadband I 15808 14 1 1 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 721 1140 823 DLA Systems Automation Center 4323 1027 808 Time Warner Telecom 18566 767 761 Covad Communications 4134 885 711 Data Communications Bureau 9583 593 578 Satyam Infoway Ltd., 6197 864 460 BellSouth Network Solutions, 22773 472 448 Cox Communications, Inc. Atla 27364 464 446 Armstrong Cable Services 7545 500 431 TPG Internet Pty Ltd 5668 450 431 Century Telephone 3602 497 404 Sprint Canada, Inc. 6478 496 392 AT&T Worldnet Services 4755 458 357 Videsh Sanchar Nigam Ltd. Aut 22909 420 346 Comcast Cable Corporation 6467 369 336 E.Spire Communications, Inc. 17676 398 332 XTAGE CORPORATION 9929 351 315 China Netcom Corp. 4766 590 309 Korea Internet Exchange for " 1239 951 295 Sprint 9443 374 295 Primus Telecommunications
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News 65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK 65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T WorldNet Services 192.172.0.0/19 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:8 /11:14 /12:62 /13:147 /14:304 /15:560 /16:8290 /17:2409 /18:4124 /19:10093 /20:10707 /21:8524 /22:11794 /23:13016 /24:85461 /25:292 /26:264 /27:96 /28:47 /29:21 /30:80 /31:0 /32:42
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 752 767 Covad Communications 6197 707 864 BellSouth Network Solutions, 7018 647 1471 AT&T WorldNet Services 2386 588 824 AT&T Data Communications Serv 4323 478 1027 Time Warner Telecom 27364 449 464 Armstrong Cable Services 9583 415 593 Satyam Infoway Ltd., 4766 401 590 Korea Internet Exchange for " 5668 381 450 Century Telephone 1239 370 951 Sprint 702 367 607 UUNET - Commercial IP service 6198 330 463 BellSouth Network Solutions, 10036 293 293 C&M Communication Co. Ltd. 6517 287 309 Yipes Communications, Inc. 6467 277 369 E.Spire Communications, Inc. 9929 276 351 China Netcom Corp. 11456 263 310 Carolina Online, Inc. 13609 255 304 Choice One Communications Inc 25844 245 245 Skadden, Arps, Slate, Meagher 701 241 1028 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:9 12:1483 13:1 15:9 16:2 17:3 18:4 20:5 24:736 32:65 33:3 38:99 40:55 44:3 47:2 52:3 55:2 56:3 57:23 59:3 60:14 61:701 62:521 63:1867 64:2573 65:2086 66:2734 67:518 68:504 69:929 70:63 71:67 72:64 80:541 81:509 82:355 83:269 84:128 85:113 128:138 129:165 130:96 131:278 132:37 133:1 134:142 135:30 136:213 137:63 138:180 139:53 140:191 141:101 142:137 143:125 144:257 145:44 146:283 147:100 148:265 149:162 150:94 151:62 152:110 153:81 154:2 155:143 156:63 157:82 158:152 159:164 160:68 161:59 162:420 163:84 164:228 165:158 166:130 167:226 168:399 169:133 170:314 171:9 192:5678 193:3069 194:2252 195:1577 196:633 198:3845 199:3287 200:3961 201:49 202:5221 203:6043 204:3654 205:2014 206:2313 207:2659 208:2085 209:3128 210:1570 211:787 212:1168 213:1274 214:242 215:31 216:3674 217:1089 218:189 219:117 220:369 221:86 222:82
End of report
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