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Routing Table Report 04:00 +10GMT Fri 24 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 182757 Prefixes after maximum aggregation: 101650 Unique aggregates announced to Internet: 88850 Total ASes present in the Internet Routing Table: 21597 Origin-only ASes present in the Internet Routing Table: 18771 Origin ASes announcing only one prefix: 8914 Transit ASes present in the Internet Routing Table: 2826 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 25 Prefixes from unregistered ASNs in the Routing Table: 93 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1501108832 Equivalent to 89 /8s, 121 /16s and 26 /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: 89328
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38336 Total APNIC prefixes after maximum aggregation: 16260 Prefixes being announced from the APNIC address blocks: 36139 Unique aggregates announced from the APNIC address blocks: 17646 APNIC Region origin ASes present in the Internet Routing Table: 2483 APNIC Region origin ASes announcing only one prefix: 691 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: 21 Number of APNIC addresses announced to Internet: 214721504 Equivalent to 12 /8s, 204 /16s and 99 /24s Percentage of available APNIC address space announced: 67.1
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: 96059 Total ARIN prefixes after maximum aggregation: 56741 Prefixes being announced from the ARIN address blocks: 75318 Unique aggregates announced from the ARIN address blocks: 28551 ARIN Region origin ASes present in the Internet Routing Table: 10544 ARIN Region origin ASes announcing only one prefix: 3946 ARIN Region transit ASes present in the Internet Routing Table: 962 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 288759552 Equivalent to 17 /8s, 54 /16s and 31 /24s Percentage of available ARIN address space announced: 71.7
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: 36105 Total RIPE prefixes after maximum aggregation: 24281 Prefixes being announced from the RIPE address blocks: 33121 Unique aggregates announced from the RIPE address blocks: 22319 RIPE Region origin ASes present in the Internet Routing Table: 7684 RIPE Region origin ASes announcing only one prefix: 4016 RIPE Region transit ASes present in the Internet Routing Table: 1286 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 237566848 Equivalent to 14 /8s, 40 /16s and 251 /24s Percentage of available RIPE address space announced: 70.8
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: 10230 Total LACNIC prefixes after maximum aggregation: 3482 Prefixes being announced from the LACNIC address blocks: 8398 Unique aggregates announced from the LACNIC address blocks: 5097 LACNIC Region origin ASes present in the Internet Routing Table: 673 LACNIC Region origin ASes announcing only one prefix: 220 LACNIC Region transit ASes present in the Internet Routing Table: 121 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 25483264 Equivalent to 1 /8s, 132 /16s and 216 /24s Percentage of available LACNIC address space announced: 38.0
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: 1928 Total AfriNIC prefixes after maximum aggregation: 886 Prefixes being announced from the AfriNIC address blocks: 1296 Unique aggregates announced from the AfriNIC address blocks: 890 AfriNIC Region origin ASes present in the Internet Routing Table: 146 AfriNIC Region origin ASes announcing only one prefix: 41 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: 3788544 Equivalent to 0 /8s, 57 /16s and 207 /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 987 6768 206 CHINANET-BACKBONE 9583 854 109 15 Sify Limited 4766 703 3927 300 Korea Telecom (KIX) 4755 669 255 61 Videsh Sanchar Nigam Ltd. Aut 1221 656 1428 471 Telstra Pty Ltd 9498 535 212 74 BHARTI BT INTERNET LTD. 7545 516 108 69 TPG Internet Pty Ltd 17488 516 31 7 Hathway IP Over Cable Interne 17676 482 6981 106 Softbank BB Corp. 9443 411 94 85 Primus Telecommunications 4802 367 75 159 Wantree Development 2907 341 1763 318 SINET Japan 9929 331 216 51 China Netcom Corp. 18101 329 68 23 Reliance Infocom Ltd Internet 17557 319 25 165 Pakistan Telecom 17974 314 75 32 PT TELEKOMUNIKASI INDONESIA 17849 298 19 119 Telecommunications Technology 7474 297 211 230 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 1466 6262 946 AT&T WorldNet Services 4323 1220 712 235 Time Warner Telecom 721 1023 21954 307 DLA Systems Automation Center 174 984 5787 929 Cogent Communications 6197 983 458 512 BellSouth Network Solutions, 701 958 8065 793 UUNET Technologies, Inc. 18566 912 272 8 Covad Communications 2386 902 506 675 AT&T Data Communications Serv 1239 849 2774 602 Sprint 19029 770 152 113 New Edge Networks 209 693 3608 541 Qwest 20115 667 584 359 Charter Communications 11492 636 84 14 Cable One 19262 635 1866 147 Verizon Global Networks 22773 634 1480 40 Cox Communications, Inc. 6198 583 471 241 BellSouth Network Solutions, 852 575 1088 382 Telus Advanced Communications 855 570 244 64 Canadian Research Network 19916 563 49 54 OLM LLC 7011 523 180 344 Citizens Utilities
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 583 1952 459 UUNET - Commercial IP service 3301 308 1071 293 TeliaNet Sweden 3352 304 1516 30 Ibernet, Internet Access Netw 3320 280 3477 234 Deutsche Telekom AG 8220 273 474 267 COLT Telecommunications 680 243 2025 240 DFN-IP service G-WiN 6746 238 88 202 Dynamic Network Technologies, 3246 228 487 218 Song Networks 8708 221 274 204 Romania Data Systems S.A. 8551 213 181 25 Bezeq International 1257 204 712 173 SWIPnet Swedish IP Network 3269 186 1925 70 TELECOM ITALIA 3215 177 1470 85 France Telecom Transpac 5515 176 839 124 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 8866 171 37 12 Bulgarian Telecommunication C 24863 169 38 9 LINKdotNET AS number 3300 166 171 94 AUCS Communications Services 5400 166 328 135 BT Ignite European Backbone 6830 166 765 35 UPC Distribution Services
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 576 1067 220 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 312 111 81 Servicios Alestra S.A de C.V 16814 294 18 7 NSS, S.A. 14117 184 11 6 Telefonica del Sur S.A. 7303 159 75 20 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 130 64 3 Cable-Wireless Panama 19169 123 8 30 Telconet 10481 121 48 8 Prima S.A. 6503 118 148 77 AVANTEL, S.A. 21826 116 15 19 INTERCABLE 5639 113 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 23216 105 23 10 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 14522 96 12 8 SatNet S.A. 25620 96 6 3 COTAS LTDA 11311 95 8 23 Sinectis S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 278 819 234 The Internet Solution 8452 164 60 7 TEDATA 5536 121 8 18 Internet Egypt Network 2018 119 298 103 Tertiary Education Network 6713 103 103 12 Itissalat Al-MAGHRIB 15475 103 84 4 Nile Online 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 30 7 21 AS Number for Telecom Algeria 12455 27 6 3 Jambonet Autonomous system 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 21 14 18 SONATEL-AS Autonomous System 2561 19 6 2 Egyptian Universities Network 21280 19 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1220 985 Time Warner Telecom 18566 912 904 Covad Communications 9583 854 839 Sify Limited 4134 987 781 CHINANET-BACKBONE 721 1023 716 DLA Systems Automation Center 19029 770 657 New Edge Networks 11492 636 622 Cable One 4755 669 608 Videsh Sanchar Nigam Ltd. Aut 22773 634 594 Cox Communications, Inc. 19916 563 509 OLM LLC 17488 516 509 Hathway IP Over Cable Interne 855 570 506 Canadian Research Network 5668 517 492 CenturyTel Internet Holdings, 19262 635 488 Verizon Global Networks 6197 983 471 BellSouth Network Solutions, 9498 535 461 BHARTI BT INTERNET LTD. 7545 516 447 TPG Internet Pty Ltd 7757 466 447 AT&T Broadband 3602 522 416 Sprint Canada, Inc. 812 438 410 Rogers WAVE
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65211 PRIVATE 61.139.76.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.139.77.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.9.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.176.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.177.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.178.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.179.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.0.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.1.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.2.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.12.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.13.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.14.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.15.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.25.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.25.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.30.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.32.0/21 4134 CHINANET-BACKBONE 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65500 PRIVATE 160.254.3.0/24 11911 The Bank of New York 65500 PRIVATE 160.254.40.0/23 11911 The Bank of New York 65500 PRIVATE 160.254.42.0/23 11911 The Bank of New York 65500 PRIVATE 160.254.46.0/23 11911 The Bank of New York 65500 PRIVATE 160.254.48.0/23 11911 The Bank of New York 65500 PRIVATE 160.254.50.0/24 11911 The Bank of New York 65500 PRIVATE 160.254.69.0/24 11911 The Bank of New York 65500 PRIVATE 160.254.78.0/23 11911 The Bank of New York 65500 PRIVATE 160.254.90.0/24 11911 The Bank of New York 65500 PRIVATE 160.254.91.0/24 11911 The Bank of New York 65500 PRIVATE 160.254.92.0/23 11911 The Bank of New York 65500 PRIVATE 160.254.94.0/24 11911 The Bank of New York 65000 PRIVATE 160.254.131.0/24 11911 The Bank of New York 65000 PRIVATE 160.254.132.0/24 11911 The Bank of New York 65500 PRIVATE 160.254.135.0/24 11911 The Bank of New York 65000 PRIVATE 160.254.140.0/24 11911 The Bank of New York 65500 PRIVATE 160.254.154.0/24 11911 The Bank of New York 65500 PRIVATE 160.254.155.0/24 11911 The Bank of New York 65500 PRIVATE 160.254.200.0/24 11911 The Bank of New York 65211 PRIVATE 202.98.123.0/24 4134 CHINANET-BACKBONE 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 65518 PRIVATE 211.144.192.0/19 24421 * 65211 PRIVATE 218.6.168.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.169.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.170.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.171.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.172.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.172.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.173.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.174.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.175.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.196.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.197.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.198.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.166.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.167.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.168.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.169.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.170.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.171.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.172.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.0.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.1.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.2.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.3.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.4.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.5.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.6.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.7.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.8.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.9.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.10.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.11.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.12.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.13.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.14.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.17.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.18.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.20.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.21.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.128/26 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.192/26 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.23.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.24.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.25.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.25.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.26.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.27.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.28.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.29.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 222.211.63.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 222.213.0.0/24 4134 CHINANET-BACKBONE
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 101.80.80.0/24 8764 LIETUVOS-TELEKOMAS Autonomous 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 192.43.230.0/24 7575 Australian Academic and Rease 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 /11:23 /12:87 /13:199 /14:352 /15:694 /16:8725 /17:3088 /18:5101 /19:11321 /20:12634 /21:10892 /22:13975 /23:15183 /24:99488 /25:360 /26:241 /27:208 /28:59 /29:24 /30:33 /31:0 /32:35
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 895 912 Covad Communications 6197 787 983 BellSouth Network Solutions, 7018 754 1466 AT&T WorldNet Services 19029 698 770 New Edge Networks 9583 674 854 Sify Limited 2386 627 902 AT&T Data Communications Serv 11492 627 636 Cable One 4323 588 1220 Time Warner Telecom 19916 557 563 OLM LLC 4766 507 703 Korea Telecom (KIX) 7011 449 523 Citizens Utilities 7757 448 466 AT&T Broadband 855 444 570 Canadian Research Network 6198 444 583 BellSouth Network Solutions, 5668 402 517 CenturyTel Internet Holdings, 1239 375 849 Sprint 702 368 583 UUNET - Commercial IP service 15270 349 379 PaeTec.net -a division of Pae 6517 339 368 Yipes Communications, Inc. 22773 331 634 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:43 12:1646 13:1 15:12 16:3 17:3 18:4 20:44 24:852 25:1 30:2 32:67 38:203 40:54 44:3 47:3 52:4 55:1 56:3 57:33 58:111 59:158 60:183 61:802 62:762 63:1900 64:3047 65:2213 66:3078 67:597 68:712 69:1500 70:303 71:63 72:620 73:25 74:7 80:743 81:584 82:507 83:373 84:349 85:458 86:338 87:185 88:30 89:37 101:1 124:126 125:256 128:152 129:174 130:107 131:314 132:33 133:7 134:146 135:46 136:169 137:62 138:190 139:69 140:482 141:133 142:415 143:145 144:226 145:38 146:304 147:134 148:330 149:184 150:112 151:76 152:61 153:102 154:6 155:185 156:95 157:123 158:159 159:178 160:100 161:68 162:220 163:144 164:173 165:186 166:147 167:238 168:470 169:139 170:323 171:12 172:1 190:30 192:5764 193:3386 194:2509 195:1789 196:766 198:3892 199:3273 200:4182 201:605 202:6452 203:6799 204:3886 205:2098 206:2410 207:2915 208:1995 209:3740 210:1974 211:822 212:1323 213:1471 214:336 215:42 216:4051 217:1171 218:257 219:149 220:647 221:369 222:154
End of report
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