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Routing Table Report 04:00 +10GMT Wed 15 Mar, 2006
Analysis Summary ----------------
BGP routing table entries examined: 184120 Prefixes after maximum aggregation: 102130 Unique aggregates announced to Internet: 89663 Total ASes present in the Internet Routing Table: 21746 Origin-only ASes present in the Internet Routing Table: 18892 Origin ASes announcing only one prefix: 8980 Transit ASes present in the Internet Routing Table: 2854 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 29 Prefixes from unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1510477216 Equivalent to 90 /8s, 8 /16s and 13 /24s Percentage of available address space announced: 40.8 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 90101
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38871 Total APNIC prefixes after maximum aggregation: 16348 Prefixes being announced from the APNIC address blocks: 36601 Unique aggregates announced from the APNIC address blocks: 17792 APNIC Region origin ASes present in the Internet Routing Table: 2505 APNIC Region origin ASes announcing only one prefix: 698 APNIC Region transit ASes present in the Internet Routing Table: 389 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 217399264 Equivalent to 12 /8s, 245 /16s and 63 /24s Percentage of available APNIC address space announced: 68.0
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: 96416 Total ARIN prefixes after maximum aggregation: 56926 Prefixes being announced from the ARIN address blocks: 75676 Unique aggregates announced from the ARIN address blocks: 28823 ARIN Region origin ASes present in the Internet Routing Table: 10582 ARIN Region origin ASes announcing only one prefix: 3946 ARIN Region transit ASes present in the Internet Routing Table: 976 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 291181568 Equivalent to 17 /8s, 91 /16s and 20 /24s Percentage of available ARIN address space announced: 72.3
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: 36462 Total RIPE prefixes after maximum aggregation: 24439 Prefixes being announced from the RIPE address blocks: 33483 Unique aggregates announced from the RIPE address blocks: 22655 RIPE Region origin ASes present in the Internet Routing Table: 7767 RIPE Region origin ASes announcing only one prefix: 4075 RIPE Region transit ASes present in the Internet Routing Table: 1300 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 242020352 Equivalent to 14 /8s, 108 /16s and 240 /24s Percentage of available RIPE address space announced: 72.1
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: 10400 Total LACNIC prefixes after maximum aggregation: 3522 Prefixes being announced from the LACNIC address blocks: 8504 Unique aggregates announced from the LACNIC address blocks: 5151 LACNIC Region origin ASes present in the Internet Routing Table: 677 LACNIC Region origin ASes announcing only one prefix: 218 LACNIC Region transit ASes present in the Internet Routing Table: 125 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC addresses announced to Internet: 25832448 Equivalent to 1 /8s, 138 /16s and 44 /24s Percentage of available LACNIC address space announced: 38.5
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: 1960 Total AfriNIC prefixes after maximum aggregation: 895 Prefixes being announced from the AfriNIC address blocks: 1314 Unique aggregates announced from the AfriNIC address blocks: 894 AfriNIC Region origin ASes present in the Internet Routing Table: 148 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3796480 Equivalent to 0 /8s, 57 /16s and 238 /24s Percentage of available AfriNIC address space announced: 11.3
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 988 6928 208 CHINANET-BACKBONE 4755 874 258 71 Videsh Sanchar Nigam Ltd. Aut 9583 867 109 16 Sify Limited 4766 678 3923 301 Korea Telecom (KIX) 1221 651 1428 469 Telstra Pty Ltd 9498 559 212 72 BHARTI BT INTERNET LTD. 7545 519 108 70 TPG Internet Pty Ltd 17488 515 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 414 95 82 Primus Telecommunications 4802 371 75 166 Wantree Development 2907 335 1749 313 SINET Japan 18101 333 68 23 Reliance Infocom Ltd Internet 17974 331 81 41 PT TELEKOMUNIKASI INDONESIA 9929 325 216 52 China Netcom Corp. 17557 321 25 163 Pakistan Telecom 17849 316 20 105 Telecommunications Technology 7474 305 211 232 SingTel Optus Pty Ltd 4780 281 226 16 Digital United Inc. 9837 272 78 168 Powertel Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1499 6263 965 AT&T WorldNet Services 4323 1228 711 235 Time Warner Telecom 721 1011 21962 308 DLA Systems Automation Center 6197 1003 619 468 BellSouth Network Solutions, 174 976 5784 921 Cogent Communications 701 946 8064 782 UUNET Technologies, Inc. 18566 918 272 8 Covad Communications 2386 870 520 662 AT&T Data Communications Serv 1239 850 2789 598 Sprint 19029 778 152 112 New Edge Networks 209 695 3604 539 Qwest 20115 669 586 361 Charter Communications 19262 663 1953 157 Verizon Global Networks 22773 639 1480 40 Cox Communications, Inc. 11492 636 86 20 Cable One 7011 599 208 389 Citizens Utilities 6198 583 502 238 BellSouth Network Solutions, 852 576 1088 382 Telus Advanced Communications 855 566 244 64 Canadian Research Network 19916 563 49 54 OLM LLC
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 581 1951 457 UUNET - Commercial IP service 3301 306 1071 291 TeliaNet Sweden 3352 306 1548 32 Ibernet, Internet Access Netw 8220 288 471 267 COLT Telecommunications 3320 280 3477 232 Deutsche Telekom AG 680 244 2025 241 DFN-IP service G-WiN 3246 230 488 220 Song Networks 6746 225 88 197 Dynamic Network Technologies, 8708 220 276 203 Romania Data Systems S.A. 8551 202 197 24 Bezeq International 1257 198 712 173 SWIPnet Swedish IP Network 24863 193 40 9 LINKdotNET AS number 3269 191 2037 73 TELECOM ITALIA 3215 183 1518 86 France Telecom Transpac 5515 177 839 124 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 5400 167 328 136 BT Ignite European Backbone 8866 167 37 13 Bulgarian Telecommunication C 6830 166 765 35 UPC Distribution Services 9121 162 931 27 TTnet Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 597 1050 226 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 313 111 80 Servicios Alestra S.A de C.V 16814 289 18 7 NSS, S.A. 14117 184 11 6 Telefonica del Sur S.A. 7303 158 74 24 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 132 80 4 Cable-Wireless Panama 5639 127 12 9 Telecommunications Services o 19169 124 8 30 Telconet 6503 123 149 76 AVANTEL, S.A. 10481 121 48 8 Prima S.A. 21826 120 16 19 INTERCABLE 6505 106 88 78 Global One Communicaoes Ltda 23216 101 20 7 RAMtelecom Telecomunicaciones 14522 99 12 4 SatNet S.A. 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 25620 96 6 3 COTAS LTDA 19429 95 52 42 E.T.B.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 277 803 233 The Internet Solution 8452 163 60 7 TEDATA 2018 124 314 105 Tertiary Education Network 15475 123 84 4 Nile Online 5536 122 8 18 Internet Egypt Network 6713 106 103 12 Itissalat Al-MAGHRIB 2905 74 155 67 The Internetworking Company o 24835 62 50 7 RAYA Telecom - Egypt 20928 58 16 2 Noor Advanced Technologies AS 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 29 7 20 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 8524 25 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 20 13 17 SONATEL-AS Autonomous System 21280 20 4 4 Swift Global Kenya Ltd.Is an 2561 19 6 2 Egyptian Universities Network 15808 18 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1228 993 Time Warner Telecom 18566 918 910 Covad Communications 9583 867 851 Sify Limited 4755 874 803 Videsh Sanchar Nigam Ltd. Aut 4134 988 780 CHINANET-BACKBONE 721 1011 703 DLA Systems Automation Center 19029 778 666 New Edge Networks 11492 636 616 Cable One 22773 639 599 Cox Communications, Inc. 6197 1003 535 BellSouth Network Solutions, 19916 563 509 OLM LLC 17488 515 508 Hathway IP Over Cable Interne 19262 663 506 Verizon Global Networks 855 566 502 Canadian Research Network 5668 523 498 CenturyTel Internet Holdings, 9498 559 487 BHARTI BT INTERNET LTD. 7757 472 453 AT&T Broadband 7545 519 449 TPG Internet Pty Ltd 3602 535 426 Sprint Canada, Inc. 812 438 410 Rogers WAVE
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 64570 PRIVATE 62.56.219.0/24 4558 Exchange Point Block 35650 UNALLOCATED 87.117.64.0/18 16238 AS for Coulomb 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 64518 PRIVATE 196.216.132.0/23 4558 Exchange Point Block 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 65518 PRIVATE 211.144.192.0/19 24421 *
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 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 /8:18 /9:9 /10:8 /11:25 /12:87 /13:198 /14:353 /15:695 /16:8744 /17:3112 /18:5143 /19:11416 /20:12789 /21:10933 /22:14076 /23:15261 /24:100296 /25:356 /26:236 /27:212 /28:66 /29:24 /30:31 /31:0 /32:32
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 901 918 Covad Communications 6197 793 1003 BellSouth Network Solutions, 7018 792 1499 AT&T WorldNet Services 19029 706 778 New Edge Networks 9583 686 867 Sify Limited 11492 627 636 Cable One 2386 594 870 AT&T Data Communications Serv 4323 593 1228 Time Warner Telecom 19916 557 563 OLM LLC 7011 513 599 Citizens Utilities 4766 487 678 Korea Telecom (KIX) 7757 454 472 AT&T Broadband 6198 443 583 BellSouth Network Solutions, 855 440 566 Canadian Research Network 5668 403 523 CenturyTel Internet Holdings, 1239 375 850 Sprint 702 365 581 UUNET - Commercial IP service 15270 353 383 PaeTec.net -a division of Pae 6517 347 376 Yipes Communications, Inc. 22773 335 639 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:38 12:1623 13:1 15:12 16:3 17:3 18:4 20:43 24:873 25:1 30:2 32:67 38:204 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:134 59:170 60:180 61:815 62:791 63:1898 64:3120 65:2219 66:3089 67:610 68:677 69:1448 70:311 71:59 72:643 73:23 74:22 80:751 81:593 82:528 83:352 84:341 85:463 86:371 87:239 88:34 89:67 124:185 125:273 128:160 129:174 130:102 131:319 132:31 133:8 134:146 135:47 136:175 137:65 138:192 139:74 140:441 141:137 142:414 143:154 144:230 145:39 146:310 147:134 148:407 149:188 150:114 151:78 152:64 153:102 154:6 155:194 156:94 157:120 158:164 159:166 160:88 161:73 162:229 163:144 164:179 165:171 166:151 167:240 168:475 169:140 170:323 171:12 172:1 190:38 192:5768 193:3413 194:2538 195:1777 196:771 198:3879 199:3262 200:4204 201:646 202:6549 203:6921 204:3920 205:2092 206:2421 207:2917 208:2022 209:3758 210:1960 211:821 212:1263 213:1489 214:332 215:42 216:4104 217:1166 218:240 219:163 220:653 221:348 222:157
End of report
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