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Routing Table Report 04:00 +10GMT Wed 01 Mar, 2006
Analysis Summary ----------------
BGP routing table entries examined: 183133 Prefixes after maximum aggregation: 101692 Unique aggregates announced to Internet: 88973 Total ASes present in the Internet Routing Table: 21631 Origin-only ASes present in the Internet Routing Table: 18795 Origin ASes announcing only one prefix: 8924 Transit ASes present in the Internet Routing Table: 2836 Transit-only ASes present in the Internet Routing Table: 68 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: 87 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1503340896 Equivalent to 89 /8s, 155 /16s and 41 /24s Percentage of available address space announced: 40.6 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 89457
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38517 Total APNIC prefixes after maximum aggregation: 16281 Prefixes being announced from the APNIC address blocks: 36307 Unique aggregates announced from the APNIC address blocks: 17621 APNIC Region origin ASes present in the Internet Routing Table: 2488 APNIC Region origin ASes announcing only one prefix: 693 APNIC Region transit ASes present in the Internet Routing Table: 391 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 215010528 Equivalent to 12 /8s, 208 /16s and 204 /24s Percentage of available APNIC address space announced: 67.2
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: 96162 Total ARIN prefixes after maximum aggregation: 56702 Prefixes being announced from the ARIN address blocks: 75487 Unique aggregates announced from the ARIN address blocks: 28627 ARIN Region origin ASes present in the Internet Routing Table: 10556 ARIN Region origin ASes announcing only one prefix: 3949 ARIN Region transit ASes present in the Internet Routing Table: 970 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 288898048 Equivalent to 17 /8s, 56 /16s and 60 /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: 36195 Total RIPE prefixes after maximum aggregation: 24324 Prefixes being announced from the RIPE address blocks: 33194 Unique aggregates announced from the RIPE address blocks: 22410 RIPE Region origin ASes present in the Internet Routing Table: 7701 RIPE Region origin ASes announcing only one prefix: 4016 RIPE Region transit ASes present in the Internet Routing Table: 1291 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 239548544 Equivalent to 14 /8s, 71 /16s and 56 /24s Percentage of available RIPE address space announced: 71.4
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: 10257 Total LACNIC prefixes after maximum aggregation: 3507 Prefixes being announced from the LACNIC address blocks: 8414 Unique aggregates announced from the LACNIC address blocks: 5104 LACNIC Region origin ASes present in the Internet Routing Table: 678 LACNIC Region origin ASes announcing only one prefix: 223 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: 29 Number of LACNIC addresses announced to Internet: 25598464 Equivalent to 1 /8s, 134 /16s and 154 /24s Percentage of available LACNIC address space announced: 38.1
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: 1918 Total AfriNIC prefixes after maximum aggregation: 878 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: 144 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 22 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3787008 Equivalent to 0 /8s, 57 /16s and 201 /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 6800 207 CHINANET-BACKBONE 4755 862 259 71 Videsh Sanchar Nigam Ltd. Aut 9583 854 109 15 Sify Limited 4766 696 3923 298 Korea Telecom (KIX) 1221 654 1428 469 Telstra Pty Ltd 9498 532 211 71 BHARTI BT INTERNET LTD. 7545 516 108 69 TPG Internet Pty Ltd 17488 514 31 7 Hathway IP Over Cable Interne 17676 482 6981 106 Softbank BB Corp. 9443 411 94 85 Primus Telecommunications 4802 368 75 159 Wantree Development 2907 339 1747 316 SINET Japan 9929 330 216 51 China Netcom Corp. 18101 329 68 23 Reliance Infocom Ltd Internet 17557 320 25 163 Pakistan Telecom 17974 318 75 34 PT TELEKOMUNIKASI INDONESIA 7474 298 211 231 SingTel Optus Pty Ltd 4780 280 226 16 Digital United Inc. 9837 272 78 168 Powertel Ltd 9800 260 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1481 6263 957 AT&T WorldNet Services 4323 1225 712 235 Time Warner Telecom 721 1019 21954 307 DLA Systems Automation Center 6197 995 626 466 BellSouth Network Solutions, 174 978 5786 924 Cogent Communications 701 956 8065 789 UUNET Technologies, Inc. 18566 913 272 8 Covad Communications 2386 892 506 674 AT&T Data Communications Serv 1239 845 2741 598 Sprint 19029 772 152 113 New Edge Networks 209 693 3608 540 Qwest 20115 668 584 360 Charter Communications 19262 657 1907 153 Verizon Global Networks 22773 635 1480 40 Cox Communications, Inc. 11492 631 85 17 Cable One 6198 582 471 241 BellSouth Network Solutions, 852 573 1088 383 Telus Advanced Communications 855 570 244 64 Canadian Research Network 19916 563 49 54 OLM LLC 7011 538 188 357 Citizens Utilities
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 279 3477 233 Deutsche Telekom AG 8220 274 474 268 COLT Telecommunications 680 243 2025 240 DFN-IP service G-WiN 3246 229 487 219 Song Networks 6746 226 89 197 Dynamic Network Technologies, 8708 221 274 203 Romania Data Systems S.A. 1257 204 712 173 SWIPnet Swedish IP Network 8551 202 197 24 Bezeq International 3269 190 2005 73 TELECOM ITALIA 3215 178 1470 86 France Telecom Transpac 5515 177 839 124 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 6830 166 765 35 UPC Distribution Services 3300 165 170 93 AUCS Communications 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 311 111 81 Servicios Alestra S.A de C.V 16814 284 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 119 148 77 AVANTEL, S.A. 21826 118 15 20 INTERCABLE 5639 113 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 23216 100 20 7 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 25620 97 6 3 COTAS LTDA 7315 96 6 3 Grupo Rey Moreno 14522 96 12 8 SatNet S.A. 4270 93 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 278 819 234 The Internet Solution 8452 160 60 7 TEDATA 2018 122 298 103 Tertiary Education Network 5536 122 8 18 Internet Egypt Network 6713 106 103 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 26 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 21280 22 4 4 Swift Global Kenya Ltd.Is an 8346 21 14 18 SONATEL-AS Autonomous System 2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1225 990 Time Warner Telecom 18566 913 905 Covad Communications 9583 854 839 Sify Limited 4755 862 791 Videsh Sanchar Nigam Ltd. Aut 4134 987 780 CHINANET-BACKBONE 721 1019 712 DLA Systems Automation Center 19029 772 659 New Edge Networks 11492 631 614 Cable One 22773 635 595 Cox Communications, Inc. 6197 995 529 BellSouth Network Solutions, 19916 563 509 OLM LLC 17488 514 507 Hathway IP Over Cable Interne 855 570 506 Canadian Research Network 19262 657 504 Verizon Global Networks 5668 516 491 CenturyTel Internet Holdings, 9498 532 461 BHARTI BT INTERNET LTD. 7757 468 449 AT&T Broadband 7545 516 447 TPG Internet Pty Ltd 3602 523 417 Sprint Canada, Inc. 812 438 410 Rogers WAVE
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 2000 UNALLOCATED 47.16.0.0/14 8153 Nortel 2000 UNALLOCATED 47.46.0.0/15 8153 Nortel 2000 UNALLOCATED 47.140.0.0/14 8153 Nortel 2000 UNALLOCATED 47.184.0.0/14 8153 Nortel 2000 UNALLOCATED 47.234.0.0/16 8153 Nortel 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 2000 UNALLOCATED 132.245.128.0/17 8153 Nortel 65000 PRIVATE 142.46.72.0/24 30147 Simcoe Community Bro 65000 PRIVATE 142.46.73.0/24 30147 Simcoe Community Bro 65000 PRIVATE 142.46.74.0/24 30147 Simcoe Community Bro 65000 PRIVATE 142.46.82.0/24 30147 Simcoe Community Bro 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 2000 UNALLOCATED 192.32.0.0/16 8153 Nortel 2000 UNALLOCATED 199.242.36.0/22 8153 Nortel 2000 UNALLOCATED 199.242.40.0/22 8153 Nortel 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 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 /13:199 /14:352 /15:699 /16:8722 /17:3093 /18:5125 /19:11350 /20:12670 /21:10906 /22:14023 /23:15187 /24:99666 /25:366 /26:271 /27:207 /28:59 /29:24 /30:33 /31:0 /32:35
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 896 913 Covad Communications 6197 789 995 BellSouth Network Solutions, 7018 769 1481 AT&T WorldNet Services 19029 700 772 New Edge Networks 9583 674 854 Sify Limited 11492 622 631 Cable One 2386 617 892 AT&T Data Communications Serv 4323 591 1225 Time Warner Telecom 19916 557 563 OLM LLC 4766 505 696 Korea Telecom (KIX) 7011 460 538 Citizens Utilities 7757 450 468 AT&T Broadband 855 444 570 Canadian Research Network 6198 443 582 BellSouth Network Solutions, 5668 401 516 CenturyTel Internet Holdings, 1239 373 845 Sprint 702 369 584 UUNET - Commercial IP service 15270 349 379 PaeTec.net -a division of Pae 6517 343 372 Yipes Communications, Inc. 22773 332 635 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:39 12:1643 13:1 15:12 16:3 17:3 18:4 20:39 24:865 25:1 30:2 32:67 38:203 40:54 44:3 47:6 52:3 55:1 56:3 57:33 58:107 59:159 60:185 61:797 62:764 63:1895 64:3051 65:2216 66:3093 67:602 68:703 69:1483 70:304 71:70 72:629 73:25 74:11 80:744 81:585 82:507 83:374 84:350 85:454 86:332 87:193 88:28 89:52 124:125 125:258 128:152 129:173 130:107 131:314 132:33 133:7 134:146 135:48 136:169 137:65 138:191 139:69 140:486 141:133 142:415 143:145 144:218 145:34 146:309 147:134 148:335 149:184 150:112 151:76 152:61 153:102 154:6 155:185 156:93 157:122 158:159 159:176 160:87 161:70 162:218 163:144 164:173 165:187 166:147 167:238 168:474 169:140 170:323 171:12 172:1 190:30 192:5764 193:3402 194:2513 195:1793 196:761 198:3895 199:3265 200:4186 201:605 202:6485 203:6863 204:3912 205:2087 206:2423 207:2920 208:2001 209:3753 210:1972 211:824 212:1291 213:1484 214:336 215:42 216:4057 217:1162 218:258 219:161 220:639 221:369 222:156
End of report