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Routing Table Report 04:00 +10GMT Wed 22 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 182277 Prefixes after maximum aggregation: 101402 Unique aggregates announced to Internet: 88685 Total ASes present in the Internet Routing Table: 21555 Origin-only ASes present in the Internet Routing Table: 18729 Origin ASes announcing only one prefix: 8896 Transit ASes present in the Internet Routing Table: 2826 Transit-only ASes present in the Internet Routing Table: 69 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: 91 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1500002340 Equivalent to 89 /8s, 104 /16s and 56 /24s Percentage of available address space announced: 40.5 Percentage of allocated address space announced: 59.7 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 88975
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38232 Total APNIC prefixes after maximum aggregation: 16214 Prefixes being announced from the APNIC address blocks: 36035 Unique aggregates announced from the APNIC address blocks: 17652 APNIC Region origin ASes present in the Internet Routing Table: 2472 APNIC Region origin ASes announcing only one prefix: 684 APNIC Region transit ASes present in the Internet Routing Table: 381 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 214668512 Equivalent to 12 /8s, 203 /16s and 148 /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: 95788 Total ARIN prefixes after maximum aggregation: 56618 Prefixes being announced from the ARIN address blocks: 75051 Unique aggregates announced from the ARIN address blocks: 28483 ARIN Region origin ASes present in the Internet Routing Table: 10530 ARIN Region origin ASes announcing only one prefix: 3942 ARIN Region transit ASes present in the Internet Routing Table: 968 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 287919616 Equivalent to 17 /8s, 41 /16s and 78 /24s Percentage of available ARIN address space announced: 71.5
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: 36018 Total RIPE prefixes after maximum aggregation: 24235 Prefixes being announced from the RIPE address blocks: 33034 Unique aggregates announced from the RIPE address blocks: 22255 RIPE Region origin ASes present in the Internet Routing Table: 7670 RIPE Region origin ASes announcing only one prefix: 4008 RIPE Region transit ASes present in the Internet Routing Table: 1290 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 237373568 Equivalent to 14 /8s, 38 /16s and 8 /24s Percentage of available RIPE address space announced: 70.7
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: 10214 Total LACNIC prefixes after maximum aggregation: 3449 Prefixes being announced from the LACNIC address blocks: 8409 Unique aggregates announced from the LACNIC address blocks: 5076 LACNIC Region origin ASes present in the Internet Routing Table: 673 LACNIC Region origin ASes announcing only one prefix: 221 LACNIC Region transit ASes present in the Internet Routing Table: 120 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 25469440 Equivalent to 1 /8s, 132 /16s and 162 /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: 1293 Unique aggregates announced from the AfriNIC address blocks: 887 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: 23 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3787776 Equivalent to 0 /8s, 57 /16s and 204 /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 986 6768 206 CHINANET-BACKBONE 9583 853 109 15 Sify Limited 4766 702 3927 301 Korea Telecom (KIX) 4755 667 255 60 Videsh Sanchar Nigam Ltd. Aut 1221 654 1428 468 Telstra Pty Ltd 9498 536 212 74 BHARTI BT INTERNET LTD. 17488 516 31 7 Hathway IP Over Cable Interne 7545 488 108 68 TPG Internet Pty Ltd 17676 482 6981 106 Softbank BB Corp. 9443 379 94 85 Primus Telecommunications 4802 367 75 159 Wantree Development 2907 341 1763 318 SINET Japan 17849 339 22 119 Telecommunications Technology 9929 331 218 50 China Netcom Corp. 18101 326 68 26 Reliance Infocom Ltd Internet 17974 321 77 38 PT TELEKOMUNIKASI INDONESIA 17557 317 25 162 Pakistan Telecom 7474 296 211 229 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 1467 6263 947 AT&T WorldNet Services 4323 1213 711 236 Time Warner Telecom 721 1016 21938 307 DLA Systems Automation Center 174 984 5787 929 Cogent Communications 6197 982 458 511 BellSouth Network Solutions, 701 957 8065 792 UUNET Technologies, Inc. 18566 909 272 8 Covad Communications 2386 902 506 675 AT&T Data Communications Serv 19029 859 152 115 New Edge Networks 1239 850 2774 603 Sprint 209 691 3607 540 Qwest 20115 664 582 356 Charter Communications 19262 633 1856 154 Verizon Global Networks 22773 633 1480 40 Cox Communications, Inc. 11492 631 85 12 Cable One 6198 584 469 241 BellSouth Network Solutions, 852 575 1088 382 Telus Advanced Communications 855 571 244 64 Canadian Research Network 19916 563 49 54 OLM LLC 3602 522 127 106 Sprint Canada, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 584 1952 460 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 3246 228 487 218 Song Networks 6746 225 86 197 Dynamic Network Technologies, 8708 221 274 204 Romania Data Systems S.A. 1257 204 712 173 SWIPnet Swedish IP Network 3269 186 1925 70 TELECOM ITALIA 8551 186 181 25 Bezeq International 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 5400 166 328 135 BT Ignite European Backbone 3300 165 170 93 AUCS Communications Services 6830 163 733 34 UPC Distribution Services
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 578 1051 219 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 307 111 79 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 118 149 78 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 118 298 103 Tertiary Education Network 6713 105 103 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 57 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 18 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1213 977 Time Warner Telecom 18566 909 901 Covad Communications 9583 853 838 Sify Limited 4134 986 780 CHINANET-BACKBONE 19029 859 744 New Edge Networks 721 1016 709 DLA Systems Automation Center 11492 631 619 Cable One 4755 667 607 Videsh Sanchar Nigam Ltd. Aut 22773 633 593 Cox Communications, Inc. 19916 563 509 OLM LLC 17488 516 509 Hathway IP Over Cable Interne 855 571 507 Canadian Research Network 5668 517 492 CenturyTel Internet Holdings, 19262 633 479 Verizon Global Networks 6197 982 471 BellSouth Network Solutions, 9498 536 462 BHARTI BT INTERNET LTD. 7757 463 444 AT&T Broadband 7545 488 420 TPG Internet Pty Ltd 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 221.236.23.0/24 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 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 /12:88 /13:200 /14:353 /15:694 /16:8726 /17:3080 /18:5112 /19:11322 /20:12625 /21:10839 /22:13908 /23:15090 /24:99236 /25:352 /26:237 /27:197 /28:63 /29:27 /30:33 /31:0 /32:37
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 892 909 Covad Communications 6197 786 982 BellSouth Network Solutions, 19029 781 859 New Edge Networks 7018 754 1467 AT&T WorldNet Services 9583 673 853 Sify Limited 2386 627 902 AT&T Data Communications Serv 11492 621 631 Cable One 4323 587 1213 Time Warner Telecom 19916 557 563 OLM LLC 4766 507 702 Korea Telecom (KIX) 7011 448 519 Citizens Utilities 6198 446 584 BellSouth Network Solutions, 7757 445 463 AT&T Broadband 855 443 571 Canadian Research Network 5668 402 517 CenturyTel Internet Holdings, 1239 375 850 Sprint 702 369 584 UUNET - Commercial IP service 15270 348 378 PaeTec.net -a division of Pae 6517 340 369 Yipes Communications, Inc. 17849 339 339 Telecommunications Technology
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:43 12:1645 13:1 15:12 16:3 17:3 18:4 20:44 24:858 25:1 30:2 32:67 38:200 40:54 44:3 47:3 52:4 55:1 56:3 57:33 58:120 59:161 60:183 61:807 62:761 63:1899 64:3029 65:2207 66:3075 67:596 68:665 69:1418 70:303 71:52 72:608 73:23 74:7 80:750 81:568 82:510 83:369 84:347 85:439 86:334 87:183 88:22 89:36 124:126 125:272 128:143 129:174 130:107 131:314 132:31 133:7 134:145 135:47 136:169 137:62 138:191 139:87 140:477 141:133 142:414 143:145 144:225 145:38 146:304 147:134 148:330 149:185 150:112 151:75 152:61 153:102 154:6 155:185 156:96 157:123 158:159 159:175 160:100 161:68 162:220 163:145 164:168 165:183 166:147 167:238 168:470 169:139 170:322 171:12 172:1 190:30 192:5765 193:3402 194:2512 195:1778 196:761 198:3896 199:3267 200:4177 201:595 202:6428 203:6751 204:3885 205:2099 206:2419 207:2916 208:1993 209:3827 210:1954 211:823 212:1293 213:1472 214:336 215:41 216:4048 217:1171 218:257 219:147 220:642 221:369 222:156
End of report
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