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Routing Table Report 04:00 +10GMT Mon 25 Oct, 2004
Analysis Summary ----------------
BGP routing table entries examined: 149060 Prefixes after maximum aggregation: 88253 Unique aggregates announced to Internet: 71452 Total ASes present in the Internet Routing Table: 18301 Origin-only ASes present in the Internet Routing Table: 15898 Origin ASes announcing only one prefix: 7458 Transit ASes present in the Internet Routing Table: 2403 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 27 Prefixes from unregistered ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 15 Number of addresses announced to Internet: 1345257324 Equivalent to 80 /8s, 46 /16s and 255 /24s Percentage of available address space announced: 36.3 Percentage of allocated address space announced: 58.7 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 68744
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 29033 Total APNIC prefixes after maximum aggregation: 14327 Prefixes being announced from the APNIC address blocks: 27167 Unique aggregates announced from the APNIC address blocks: 14259 APNIC Region origin ASes present in the Internet Routing Table: 2151 APNIC Region origin ASes announcing only one prefix: 644 APNIC Region transit ASes present in the Internet Routing Table: 328 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 165206656 Equivalent to 9 /8s, 216 /16s and 218 /24s Percentage of available APNIC address space announced: 75.4
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: 84494 Total ARIN prefixes after maximum aggregation: 51518 Prefixes being announced from the ARIN address blocks: 64621 Unique aggregates announced from the ARIN address blocks: 23237 ARIN Region origin ASes present in the Internet Routing Table: 9636 ARIN Region origin ASes announcing only one prefix: 3472 ARIN Region transit ASes present in the Internet Routing Table: 934 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 234077440 Equivalent to 13 /8s, 243 /16s and 189 /24s Percentage of available ARIN address space announced: 69.8
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, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 27826 Total RIPE prefixes after maximum aggregation: 19362 Prefixes being announced from the RIPE address blocks: 24645 Unique aggregates announced from the RIPE address blocks: 16156 RIPE Region origin ASes present in the Internet Routing Table: 5952 RIPE Region origin ASes announcing only one prefix: 3208 RIPE Region transit ASes present in the Internet Routing Table: 1019 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 174303104 Equivalent to 10 /8s, 99 /16s and 167 /24s Percentage of available RIPE address space announced: 61.1
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, 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: 6502 Total LACNIC prefixes after maximum aggregation: 2355 Prefixes being announced from the LACNIC address blocks: 6357 Unique aggregates announced from the LACNIC address blocks: 3804 LACNIC Region origin ASes present in the Internet Routing Table: 397 LACNIC Region origin ASes announcing only one prefix: 114 LACNIC Region transit ASes present in the Internet Routing Table: 80 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 16348672 Equivalent to 0 /8s, 249 /16s and 118 /24s Percentage of available LACNIC address space announced: 48.7
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1200 Total AfriNIC prefixes after maximum aggregation: 691 Prefixes being announced from the AfriNIC address blocks: 844 Unique aggregates announced from the AfriNIC address blocks: 682 AfriNIC Region origin ASes present in the Internet Routing Table: 93 AfriNIC Region origin ASes announcing only one prefix: 20 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 2070528 Equivalent to 0 /8s, 31 /16s and 152 /24s Percentage of available AfriNIC address space announced: 12.3
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 856 4407 163 Data Communications Bureau 1221 804 1184 577 Telstra Pty Ltd 4766 542 3407 266 Korea Internet Exchange for " 9583 536 41 104 Satyam Infoway Ltd., 4755 374 133 53 Videsh Sanchar Nigam Ltd. Aut 17676 369 5516 54 XTAGE CORPORATION 9443 359 69 79 Primus Telecommunications 2907 354 1857 328 SINET Japan 9929 345 161 33 China Netcom Corp. 17557 319 23 157 Pakistan Telecom 703 316 346 245 UUNET 2764 282 272 230 connect.com.au pty ltd 7474 263 268 197 Optus Communications Pty Ltd 9942 236 73 127 COMindico Australia 4802 234 28 142 Wantree Development 9498 231 50 49 BHARTI BT INTERNET LTD. 4804 229 165 55 Microplex PTY LTD 9800 224 372 67 CHINA UNICOM 7563 217 48 162 Korea Internet Infrastructure 4780 212 225 26 Digital United Inc.
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1428 6696 992 AT&T WorldNet Services 701 1242 8434 892 UUNET Technologies, Inc. 1239 935 2883 621 Sprint 2386 841 530 605 AT&T Data Communications Serv 6197 811 378 349 BellSouth Network Solutions, 4323 791 637 215 Time Warner Telecom 18566 746 208 6 Covad Communications 721 721 21028 297 DLA Systems Automation Center 3356 642 10956 443 Level 3 Communications, LLC 209 640 3457 504 Qwest 20115 566 427 303 Charter Communications 3561 558 2417 422 Cable & Wireless USA 852 509 1126 397 Telus Advanced Communications 7843 498 709 98 Adelphia Corp. 7132 446 8272 375 SBC Internet Services 705 435 163 274 UUNET Technologies, Inc. 6198 432 347 208 BellSouth Network Solutions, 6478 415 728 93 AT&T Worldnet Services 27364 412 36 19 Armstrong Cable Services 22909 406 841 56 Comcast Cable Corporation
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 628 2009 519 UUNET - Commercial IP service 3320 301 2486 238 Deutsche Telekom AG 8220 281 461 267 COLT Internet - International 3301 279 1100 269 TeliaNet Sweden 21502 261 40 3 NUMERICABLE is a cabled netwo 680 251 2025 239 DFN-IP service G-WiN 3246 218 476 215 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 1257 208 743 180 SWIPnet Swedish IP Network 8708 205 114 183 Romania Data Systems S.A. 5515 195 842 143 Sonera Solution Autonomous Sy 786 175 1794 175 The JANET IP Service 6746 159 30 129 Dynamic Network Technologies, 719 157 288 102 LANLINK autonomous system 3215 157 940 78 France Telecom Transpac 8866 155 20 7 Bulgarian Telecommunication C 3269 149 1259 67 TELECOM ITALIA 5400 149 208 120 BT Ignite European Backbone 25186 149 154 105 France Telecom Transpac's Tra 3303 147 610 129 Swisscom Ltd
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 348 138 68 ImpSat 8151 304 438 132 UniNet S.A. de C.V. 16814 212 13 7 NSS, S.A. 11172 208 100 55 Servicios Alestra S.A de C.V 6147 185 94 20 Telefonica Del Peru 11664 165 12 30 Keytech SA 6505 137 90 94 Global One Communicaoes Ltda 7303 135 60 24 Telecom Argentina Stet-France 6503 123 164 84 AVANTEL, S.A. 11992 101 9 31 Integrated Systems 14117 98 6 4 Telefonica del Sur S.A. 11556 96 48 2 Cable-Wireless Panama 6535 85 7 19 Chilesat Servicios Empresari 11311 84 8 24 Sinectis S.A. 10481 80 32 7 Prima S.A. 14420 80 5 33 ANDINATEL S.A. 4270 78 18 9 Red de Interconexion Universi 14522 77 5 9 SatNet S.A. 15311 77 23 37 Telefonica Empresas 5639 75 8 8 Telecommunications Services o
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 251 631 218 The Internet Solution 5536 113 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 93 276 81 The Internetworking Company o 20928 56 16 1 Noor Advanced Technologies AS 9129 34 3 4 UUNET Kenya 24835 34 34 7 RAYA Telecom - Egypt 6713 31 42 10 Itissalat Al-MAGHRIB 5713 26 125 24 Telkom SA Ltd 8524 25 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 12455 17 4 2 Jambonet Autonomous system 8346 15 7 14 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 21280 14 2 3 Swift Global Kenya Ltd.Is an 15808 13 1 2 Communication Solutions Ltd i 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 18566 746 740 Covad Communications 4134 856 693 Data Communications Bureau 4323 791 576 Time Warner Telecom 6197 811 462 BellSouth Network Solutions, 9583 536 432 Satyam Infoway Ltd., 721 721 424 DLA Systems Automation Center 7843 498 400 Adelphia Corp. 27364 412 393 Armstrong Cable Services 5668 403 385 Century Telephone 22773 393 375 Cox Communications, Inc. Atla 6467 399 368 E.Spire Communications, Inc. 701 1242 350 UUNET Technologies, Inc. 22909 406 350 Comcast Cable Corporation 6478 415 322 AT&T Worldnet Services 4755 374 321 Videsh Sanchar Nigam Ltd. Aut 17676 369 315 XTAGE CORPORATION 1239 935 314 Sprint 9929 345 312 China Netcom Corp. 4355 390 291 EarthLink, Inc. 9443 359 280 Primus Telecommunications
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 64512 PRIVATE 62.58.1.0/27 13127 AS for the Trans-Eur 65006 PRIVATE 84.18.32.0/19 33831 * 65217 PRIVATE 192.102.236.0/24 217 University of Minnes 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
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 192.44.0.0/19 702 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 WorldNet Services 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 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 /12:61 /13:137 /14:311 /15:553 /16:8101 /17:2264 /18:3895 /19:9727 /20:10373 /21:7921 /22:10948 /23:12661 /24:81225 /25:237 /26:223 /27:119 /28:63 /29:50 /30:113 /31:0 /32:35
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 731 746 Covad Communications 6197 660 811 BellSouth Network Solutions, 2386 608 841 AT&T Data Communications Serv 7018 575 1428 AT&T WorldNet Services 27364 396 412 Armstrong Cable Services 702 380 628 UUNET - Commercial IP service 1239 377 935 Sprint 9583 374 536 Satyam Infoway Ltd., 4766 362 542 Korea Internet Exchange for " 5668 350 403 Century Telephone 701 343 1242 UUNET Technologies, Inc. 6198 316 432 BellSouth Network Solutions, 6467 296 399 E.Spire Communications, Inc. 6517 279 303 Yipes Communications, Inc. 9929 276 345 China Netcom Corp. 20115 276 566 Charter Communications 13609 266 309 Choice One Communications Inc 21502 258 261 NUMERICABLE is a cabled netwo 4323 253 791 Time Warner Telecom 3320 246 301 Deutsche Telekom AG
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:10 12:1434 13:1 15:5 16:2 17:3 20:6 24:745 32:72 33:2 38:80 40:54 44:3 47:2 52:3 55:1 56:3 57:20 59:1 60:3 61:595 62:494 63:1835 64:2430 65:2073 66:2464 67:440 68:536 69:753 70:31 80:516 81:546 82:309 83:188 84:46 128:121 129:164 130:83 131:183 132:33 134:186 135:19 136:184 137:55 138:184 139:41 140:194 141:108 142:123 143:69 144:159 145:42 146:295 147:94 148:327 149:110 150:94 151:65 152:152 153:68 154:2 155:128 156:58 157:66 158:131 159:163 160:61 161:70 162:373 163:78 164:214 165:158 166:119 167:221 168:339 169:121 170:294 171:9 192:5583 193:2912 194:2163 195:1502 196:600 198:3690 199:3300 200:3817 201:22 202:4903 203:5744 204:3455 205:2093 206:2250 207:2558 208:2129 209:2982 210:1523 211:672 212:1130 213:1191 214:129 215:30 216:3673 217:1045 218:180 219:104 220:269 221:65 222:43
End of report
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