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Routing Table Report 04:00 +10GMT Sun 09 Apr, 2006
Analysis Summary ----------------
BGP routing table entries examined: 185762 Prefixes after maximum aggregation: 102888 Unique aggregates announced to Internet: 90877 Total ASes present in the Internet Routing Table: 21888 Origin-only ASes present in the Internet Routing Table: 19022 Origin ASes announcing only one prefix: 9059 Transit ASes present in the Internet Routing Table: 2866 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1501725024 Equivalent to 89 /8s, 130 /16s and 129 /24s Percentage of available address space announced: 40.5 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 91317
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 39024 Total APNIC prefixes after maximum aggregation: 16352 Prefixes being announced from the APNIC address blocks: 36711 Unique aggregates announced from the APNIC address blocks: 18062 APNIC Region origin ASes present in the Internet Routing Table: 2534 APNIC Region origin ASes announcing only one prefix: 717 APNIC Region transit ASes present in the Internet Routing Table: 387 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 221218528 Equivalent to 13 /8s, 47 /16s and 134 /24s Percentage of available APNIC address space announced: 69.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 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: 96993 Total ARIN prefixes after maximum aggregation: 57337 Prefixes being announced from the ARIN address blocks: 76081 Unique aggregates announced from the ARIN address blocks: 29160 ARIN Region origin ASes present in the Internet Routing Table: 10615 ARIN Region origin ASes announcing only one prefix: 3971 ARIN Region transit ASes present in the Internet Routing Table: 975 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293868032 Equivalent to 17 /8s, 132 /16s and 18 /24s Percentage of available ARIN address space announced: 73.0
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 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 35840-36863 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 36918 Total RIPE prefixes after maximum aggregation: 24703 Prefixes being announced from the RIPE address blocks: 33965 Unique aggregates announced from the RIPE address blocks: 22996 RIPE Region origin ASes present in the Internet Routing Table: 7845 RIPE Region origin ASes announcing only one prefix: 4102 RIPE Region transit ASes present in the Internet Routing Table: 1307 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 243321984 Equivalent to 14 /8s, 128 /16s and 204 /24s Percentage of available RIPE address space announced: 72.5
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 10703 Total LACNIC prefixes after maximum aggregation: 3604 Prefixes being announced from the LACNIC address blocks: 8857 Unique aggregates announced from the LACNIC address blocks: 5308 LACNIC Region origin ASes present in the Internet Routing Table: 681 LACNIC Region origin ASes announcing only one prefix: 225 LACNIC Region transit ASes present in the Internet Routing Table: 127 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 26310912 Equivalent to 1 /8s, 145 /16s and 121 /24s Percentage of available LACNIC address space announced: 39.2
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 2113 Total AfriNIC prefixes after maximum aggregation: 892 Prefixes being announced from the AfriNIC address blocks: 1455 Unique aggregates announced from the AfriNIC address blocks: 937 AfriNIC Region origin ASes present in the Internet Routing Table: 149 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4026880 Equivalent to 0 /8s, 61 /16s and 114 /24s Percentage of available AfriNIC address space announced: 12.0
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4134 1013 6927 210 CHINANET-BACKBONE 4755 894 258 69 Videsh Sanchar Nigam Ltd. Aut 9583 874 109 16 Sify Limited 4766 680 3924 305 Korea Telecom (KIX) 1221 622 1557 476 Telstra Pty Ltd 9498 565 212 72 BHARTI BT INTERNET LTD. 7545 529 108 71 TPG Internet Pty Ltd 17488 501 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 421 95 82 Primus Telecommunications 4802 378 77 172 Wantree Development 18101 337 69 25 Reliance Infocom Ltd Internet 2907 336 1749 312 SINET Japan 17974 325 118 25 PT TELEKOMUNIKASI INDONESIA 17849 323 21 106 Telecommunications Technology 17557 321 27 164 Pakistan Telecom 9929 317 220 55 China Netcom Corp. 7474 299 211 230 SingTel Optus Pty Ltd 9800 268 410 67 CHINA UNICOM 9837 267 77 163 Powertel Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1506 6240 966 AT&T WorldNet Services 4323 1252 716 250 Time Warner Telecom 721 1013 21961 306 DLA Systems Automation Center 6197 1009 614 476 BellSouth Network Solutions, 174 958 5783 904 Cogent Communications 701 930 8046 773 UUNET Technologies, Inc. 18566 928 272 8 Covad Communications 2386 874 537 666 AT&T Data Communications Serv 1239 851 2797 604 Sprint 19029 781 151 109 New Edge Networks 209 715 3616 560 Qwest 20115 674 591 362 Charter Communications 19262 669 1977 156 Verizon Global Networks 22773 643 1484 41 Cox Communications, Inc. 11492 627 86 20 Cable One 7011 623 213 404 Citizens Utilities 6198 588 530 236 BellSouth Network Solutions, 852 586 1089 388 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 552 244 64 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 583 1951 456 UUNET - Commercial IP service 3301 308 1071 292 TeliaNet Sweden 3352 308 1580 31 Ibernet, Internet Access Netw 8220 289 473 268 COLT Telecommunications 3320 282 3476 234 Deutsche Telekom AG 680 245 2025 242 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 227 89 201 Dynamic Network Technologies, 8708 214 275 200 Romania Data Systems S.A. 8551 202 198 24 Bezeq International 24863 200 40 9 LINKdotNET AS number 1257 198 711 173 SWIPnet Swedish IP Network 3269 197 2086 76 TELECOM ITALIA 3215 191 1598 89 France Telecom Transpac 8866 175 37 15 Bulgarian Telecommunication C 5400 169 329 138 BT Ignite European Backbone 9121 168 931 27 TTnet Autonomous System 6830 167 765 35 UPC Distribution Services 786 161 1698 161 The JANET IP Service 5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 695 1067 226 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 321 110 84 Servicios Alestra S.A de C.V 16814 276 18 7 NSS, S.A. 14117 189 12 6 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 159 75 20 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 132 80 4 Cable-Wireless Panama 5639 128 12 9 Telecommunications Services o 19169 124 8 30 Telconet 21826 124 16 21 INTERCABLE 6503 123 149 75 AVANTEL, S.A. 14259 114 10 12 GTD Internet S.A. 18822 114 8 10 TELEFONICA MANQUEHUE 6505 106 88 78 Global One Communicaoes Ltda 23216 102 21 9 RAMtelecom Telecomunicaciones 7315 96 6 3 Grupo Rey Moreno 25620 96 6 3 COTAS LTDA 14522 95 13 6 SatNet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 277 803 232 The Internet Solution 8452 166 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 15475 128 84 4 Nile Online 2018 124 314 105 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 114 50 7 RAYA Telecom - Egypt 2905 74 155 67 The Internetworking Company o 20928 57 16 2 Noor Advanced Technologies AS 12455 43 6 3 Jambonet Autonomous system 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 16637 24 14 22 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 20 13 17 SONATEL-AS Autonomous System 2561 19 6 2 Egyptian Universities Network 21280 19 5 5 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1252 1002 Time Warner Telecom 18566 928 920 Covad Communications 9583 874 858 Sify Limited 4755 894 825 Videsh Sanchar Nigam Ltd. Aut 4134 1013 803 CHINANET-BACKBONE 721 1013 707 DLA Systems Automation Center 19029 781 672 New Edge Networks 11492 627 607 Cable One 22773 643 602 Cox Communications, Inc. 6197 1009 533 BellSouth Network Solutions, 19262 669 513 Verizon Global Networks 19916 563 509 OLM LLC 5668 532 502 CenturyTel Internet Holdings, 17488 501 494 Hathway IP Over Cable Interne 9498 565 493 BHARTI BT INTERNET LTD. 855 552 488 Canadian Research Network 8151 695 469 UniNet S.A. de C.V. 7545 529 458 TPG Internet Pty Ltd 7757 476 457 AT&T Broadband 3602 538 429 Sprint Canada, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 43144 UNALLOCATED 12.149.157.0/24 7018 AT&T WorldNet Servic 64501 RESERVED 68.142.125.0/24 22822 Limelight Networks, 65289 PRIVATE 148.164.1.0/24 4755 Videsh Sanchar Nigam 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 24808 UNALLOCATED 217.78.74.0/23 12491 IPPlanet 24808 UNALLOCATED 217.78.76.0/23 12491 IPPlanet 65412 PRIVATE 221.123.128.0/20 24405 Beijing CJWX Communi
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 183.206.196.0/24 2188 FR-RENATER-ASTER 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 192.172.0.0/19 721 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 /8:17 /9:9 /10:8 /11:27 /12:88 /13:200 /14:357 /15:693 /16:8765 /17:3158 /18:5209 /19:11491 /20:12931 /21:11165 /22:14317 /23:15443 /24:100872 /25:367 /26:250 /27:217 /28:62 /29:62 /30:34 /31:0 /32:20
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 911 928 Covad Communications 6197 799 1009 BellSouth Network Solutions, 7018 799 1506 AT&T WorldNet Services 19029 713 781 New Edge Networks 9583 695 874 Sify Limited 11492 618 627 Cable One 4323 602 1252 Time Warner Telecom 2386 594 874 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 535 623 Citizens Utilities 4766 489 680 Korea Telecom (KIX) 7757 458 476 AT&T Broadband 6198 441 588 BellSouth Network Solutions, 855 426 552 Canadian Research Network 5668 412 532 CenturyTel Internet Holdings, 1239 377 851 Sprint 15270 368 399 PaeTec.net -a division of Pae 702 364 583 UUNET - Commercial IP service 6517 350 378 Yipes Communications, Inc. 8151 340 695 UniNet S.A. de C.V.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:44 12:1622 13:1 15:12 16:3 17:3 18:4 20:43 24:884 25:1 30:2 32:68 38:209 40:54 44:3 45:5 47:6 52:4 55:1 56:3 57:33 58:149 59:195 60:163 61:840 62:825 63:1905 64:3121 65:2223 66:3067 67:617 68:685 69:1465 70:322 71:75 72:673 73:23 74:29 80:753 81:604 82:561 83:361 84:379 85:513 86:341 87:298 88:56 89:126 124:211 125:300 128:168 129:176 130:107 131:317 132:32 133:8 134:150 135:47 136:177 137:71 138:194 139:68 140:468 141:134 142:394 143:161 144:229 145:41 146:324 147:133 148:334 149:189 150:114 151:80 152:64 153:107 154:6 155:194 156:100 157:125 158:165 159:171 160:85 161:68 162:251 163:145 164:179 165:183 166:165 167:241 168:479 169:134 170:327 171:12 172:1 183:1 190:51 192:5764 193:3396 194:2571 195:1800 196:857 198:3879 199:3258 200:4221 201:812 202:6535 203:6898 204:3923 205:2100 206:2421 207:2924 208:2038 209:3724 210:1908 211:704 212:1233 213:1451 214:335 215:41 216:4092 217:1163 218:242 219:170 220:648 221:353 222:153
End of report
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