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Routing Table Report 04:00 +10GMT Mon 20 Mar, 2006
Analysis Summary ----------------
BGP routing table entries examined: 184482 Prefixes after maximum aggregation: 102197 Unique aggregates announced to Internet: 89756 Total ASes present in the Internet Routing Table: 21778 Origin-only ASes present in the Internet Routing Table: 18921 Origin ASes announcing only one prefix: 8995 Transit ASes present in the Internet Routing Table: 2857 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: 25 Prefixes from unregistered ASNs in the Routing Table: 76 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1510983008 Equivalent to 90 /8s, 15 /16s and 197 /24s Percentage of available address space announced: 40.8 Percentage of allocated address space announced: 60.2 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 90226
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38873 Total APNIC prefixes after maximum aggregation: 16253 Prefixes being announced from the APNIC address blocks: 36673 Unique aggregates announced from the APNIC address blocks: 17789 APNIC Region origin ASes present in the Internet Routing Table: 2506 APNIC Region origin ASes announcing only one prefix: 702 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: 25 Number of APNIC addresses announced to Internet: 217700832 Equivalent to 12 /8s, 249 /16s and 217 /24s Percentage of available APNIC address space announced: 68.1
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: 96458 Total ARIN prefixes after maximum aggregation: 57023 Prefixes being announced from the ARIN address blocks: 75686 Unique aggregates announced from the ARIN address blocks: 28880 ARIN Region origin ASes present in the Internet Routing Table: 10592 ARIN Region origin ASes announcing only one prefix: 3957 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: 291323392 Equivalent to 17 /8s, 93 /16s and 62 /24s Percentage of available ARIN address space announced: 72.4
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: 36622 Total RIPE prefixes after maximum aggregation: 24494 Prefixes being announced from the RIPE address blocks: 33652 Unique aggregates announced from the RIPE address blocks: 22727 RIPE Region origin ASes present in the Internet Routing Table: 7790 RIPE Region origin ASes announcing only one prefix: 4076 RIPE Region transit ASes present in the Internet Routing Table: 1302 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 242316800 Equivalent to 14 /8s, 113 /16s and 118 /24s Percentage of available RIPE address space announced: 72.2
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: 10462 Total LACNIC prefixes after maximum aggregation: 3543 Prefixes being announced from the LACNIC address blocks: 8644 Unique aggregates announced from the LACNIC address blocks: 5135 LACNIC Region origin ASes present in the Internet Routing Table: 677 LACNIC Region origin ASes announcing only one prefix: 216 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: 22 Number of LACNIC addresses announced to Internet: 25946880 Equivalent to 1 /8s, 139 /16s and 235 /24s Percentage of available LACNIC address space announced: 38.7
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: 1986 Total AfriNIC prefixes after maximum aggregation: 884 Prefixes being announced from the AfriNIC address blocks: 1337 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: 44 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: 15 Number of AfriNIC addresses announced to Internet: 3929600 Equivalent to 0 /8s, 59 /16s and 246 /24s Percentage of available AfriNIC address space announced: 11.7
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 990 6937 210 CHINANET-BACKBONE 4755 880 258 70 Videsh Sanchar Nigam Ltd. Aut 9583 872 109 16 Sify Limited 4766 678 3923 302 Korea Telecom (KIX) 1221 650 1428 469 Telstra Pty Ltd 9498 561 212 72 BHARTI BT INTERNET LTD. 7545 518 108 69 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 370 75 165 Wantree Development 2907 336 1749 312 SINET Japan 17974 334 89 32 PT TELEKOMUNIKASI INDONESIA 9929 333 218 53 China Netcom Corp. 18101 326 68 23 Reliance Infocom Ltd Internet 17557 320 25 163 Pakistan Telecom 17849 315 20 104 Telecommunications Technology 7474 304 211 232 SingTel Optus Pty Ltd 4780 279 226 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 1501 6265 964 AT&T WorldNet Services 4323 1232 714 239 Time Warner Telecom 721 1009 21946 307 DLA Systems Automation Center 6197 1004 619 468 BellSouth Network Solutions, 174 962 5782 909 Cogent Communications 701 945 8064 781 UUNET Technologies, Inc. 18566 921 272 8 Covad Communications 2386 870 520 662 AT&T Data Communications Serv 1239 849 2789 599 Sprint 19029 781 152 111 New Edge Networks 209 695 3607 540 Qwest 20115 672 587 362 Charter Communications 19262 664 1955 153 Verizon Global Networks 22773 641 1480 40 Cox Communications, Inc. 11492 636 86 20 Cable One 7011 602 209 391 Citizens Utilities 6198 579 502 237 BellSouth Network Solutions, 852 576 1088 382 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 584 1951 459 UUNET - Commercial IP service 3352 307 1564 31 Ibernet, Internet Access Netw 3301 306 1071 291 TeliaNet Sweden 8220 289 473 268 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 226 88 198 Dynamic Network Technologies, 8708 217 276 202 Romania Data Systems S.A. 8551 202 197 23 Bezeq International 1257 197 710 172 SWIPnet Swedish IP Network 24863 197 40 9 LINKdotNET AS number 3269 193 2085 75 TELECOM ITALIA 3215 183 1518 86 France Telecom Transpac 786 172 1794 172 The JANET IP Service 8866 169 37 13 Bulgarian Telecommunication C 5400 167 328 136 BT Ignite European Backbone 6830 166 765 35 UPC Distribution Services 9121 162 931 27 TTnet Autonomous System 5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 593 1050 224 UniNet S.A. de C.V. 22047 384 142 10 VTR PUNTO NET S.A. 11172 315 107 79 Servicios Alestra S.A de C.V 16814 289 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 132 80 4 Cable-Wireless Panama 5639 127 12 9 Telecommunications Services o 19169 123 8 33 Telconet 6503 122 149 76 AVANTEL, S.A. 10481 121 48 8 Prima S.A. 21826 120 16 19 INTERCABLE 6505 106 88 78 Global One Communicaoes Ltda 14522 100 13 5 SatNet S.A. 23216 100 20 7 RAMtelecom Telecomunicaciones 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 6713 145 135 11 Itissalat Al-MAGHRIB 2018 124 314 105 Tertiary Education Network 15475 123 84 4 Nile Online 5536 122 8 18 Internet Egypt Network 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 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 5 5 Swift Global Kenya Ltd.Is an 2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1232 993 Time Warner Telecom 18566 921 913 Covad Communications 9583 872 856 Sify Limited 4755 880 810 Videsh Sanchar Nigam Ltd. Aut 4134 990 780 CHINANET-BACKBONE 721 1009 702 DLA Systems Automation Center 19029 781 670 New Edge Networks 11492 636 616 Cable One 22773 641 601 Cox Communications, Inc. 6197 1004 536 BellSouth Network Solutions, 19262 664 511 Verizon Global Networks 19916 563 509 OLM LLC 17488 515 508 Hathway IP Over Cable Interne 5668 523 498 CenturyTel Internet Holdings, 9498 561 489 BHARTI BT INTERNET LTD. 855 546 482 Canadian Research Network 7757 473 454 AT&T Broadband 7545 518 449 TPG Internet Pty Ltd 3602 536 427 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 125.64.6.0/27 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 65211 PRIVATE 125.64.40.0/26 4134 CHINANET-BACKBONE 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65211 PRIVATE 202.98.123.0/24 4134 CHINANET-BACKBONE 24294 UNALLOCATED 202.173.112.0/20 2514 NTT PC Communication 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 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 192.44.0.0/24 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 /16:8746 /17:3119 /18:5151 /19:11434 /20:12830 /21:11007 /22:14165 /23:15311 /24:100379 /25:341 /26:246 /27:207 /28:63 /29:25 /30:33 /31:0 /32:32
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 904 921 Covad Communications 7018 795 1501 AT&T WorldNet Services 6197 794 1004 BellSouth Network Solutions, 19029 710 781 New Edge Networks 9583 691 872 Sify Limited 11492 627 636 Cable One 4323 595 1232 Time Warner Telecom 2386 594 870 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 516 602 Citizens Utilities 4766 487 678 Korea Telecom (KIX) 7757 455 473 AT&T Broadband 6198 439 579 BellSouth Network Solutions, 855 420 546 Canadian Research Network 5668 404 523 CenturyTel Internet Holdings, 1239 379 849 Sprint 702 368 584 UUNET - Commercial IP service 15270 354 384 PaeTec.net -a division of Pae 6517 346 376 Yipes Communications, Inc. 22773 336 641 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:38 12:1619 13:1 15:12 16:3 17:3 18:4 20:43 24:872 25:1 30:2 32:67 38:205 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:149 59:181 60:178 61:823 62:794 63:1922 64:3118 65:2228 66:3066 67:612 68:680 69:1405 70:313 71:62 72:643 73:23 74:23 80:755 81:596 82:533 83:367 84:335 85:483 86:376 87:257 88:45 89:73 124:189 125:279 128:154 129:174 130:103 131:317 132:33 133:8 134:143 135:47 136:175 137:65 138:191 139:74 140:479 141:137 142:393 143:155 144:231 145:40 146:318 147:134 148:333 149:188 150:113 151:78 152:64 153:106 154:6 155:194 156:94 157:119 158:165 159:167 160:91 161:69 162:216 163:142 164:178 165:177 166:148 167:239 168:473 169:133 170:320 171:12 172:1 190:37 192:5766 193:3399 194:2545 195:1795 196:755 198:3873 199:3260 200:4301 201:664 202:6561 203:6890 204:3918 205:2085 206:2421 207:2933 208:2021 209:3724 210:1933 211:810 212:1275 213:1483 214:343 215:42 216:4081 217:1161 218:257 219:179 220:651 221:374 222:160
End of report
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