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Routing Table Report 04:00 +10GMT Tue 28 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 183175 Prefixes after maximum aggregation: 101728 Unique aggregates announced to Internet: 88965 Total ASes present in the Internet Routing Table: 21641 Origin-only ASes present in the Internet Routing Table: 18809 Origin ASes announcing only one prefix: 8927 Transit ASes present in the Internet Routing Table: 2832 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: 85 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1502955872 Equivalent to 89 /8s, 149 /16s and 73 /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: 89540
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38543 Total APNIC prefixes after maximum aggregation: 16283 Prefixes being announced from the APNIC address blocks: 36337 Unique aggregates announced from the APNIC address blocks: 17602 APNIC Region origin ASes present in the Internet Routing Table: 2487 APNIC Region origin ASes announcing only one prefix: 692 APNIC Region transit ASes present in the Internet Routing Table: 392 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 214918880 Equivalent to 12 /8s, 207 /16s and 102 /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: 96123 Total ARIN prefixes after maximum aggregation: 56697 Prefixes being announced from the ARIN address blocks: 75414 Unique aggregates announced from the ARIN address blocks: 28612 ARIN Region origin ASes present in the Internet Routing Table: 10554 ARIN Region origin ASes announcing only one prefix: 3947 ARIN Region transit ASes present in the Internet Routing Table: 965 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 288780800 Equivalent to 17 /8s, 54 /16s and 114 /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: 36238 Total RIPE prefixes after maximum aggregation: 24357 Prefixes being announced from the RIPE address blocks: 33238 Unique aggregates announced from the RIPE address blocks: 22435 RIPE Region origin ASes present in the Internet Routing Table: 7710 RIPE Region origin ASes announcing only one prefix: 4023 RIPE Region transit ASes present in the Internet Routing Table: 1285 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 239209088 Equivalent to 14 /8s, 66 /16s and 10 /24s Percentage of available RIPE address space announced: 71.3
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: 10253 Total LACNIC prefixes after maximum aggregation: 3507 Prefixes being announced from the LACNIC address blocks: 8410 Unique aggregates announced from the LACNIC address blocks: 5091 LACNIC Region origin ASes present in the Internet Routing Table: 678 LACNIC Region origin ASes announcing only one prefix: 224 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 29 Number of LACNIC addresses announced to Internet: 25594112 Equivalent to 1 /8s, 134 /16s and 137 /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: 1936 Total AfriNIC prefixes after maximum aggregation: 884 Prefixes being announced from the AfriNIC address blocks: 1304 Unique aggregates announced from the AfriNIC address blocks: 897 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: 3791104 Equivalent to 0 /8s, 57 /16s and 217 /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 6800 207 CHINANET-BACKBONE 4755 857 259 71 Videsh Sanchar Nigam Ltd. Aut 9583 854 109 15 Sify Limited 4766 696 3923 298 Korea Telecom (KIX) 1221 656 1428 471 Telstra Pty Ltd 9498 531 211 71 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 368 75 159 Wantree Development 2907 338 1747 315 SINET Japan 9929 330 216 51 China Netcom Corp. 18101 329 68 23 Reliance Infocom Ltd Internet 17557 320 25 163 Pakistan Telecom 17974 319 76 36 PT TELEKOMUNIKASI INDONESIA 7474 298 211 231 SingTel Optus Pty Ltd 17849 297 19 124 Telecommunications Technology 4780 280 226 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 1464 6262 947 AT&T WorldNet Services 4323 1223 712 235 Time Warner Telecom 721 1020 21954 307 DLA Systems Automation Center 6197 997 626 459 BellSouth Network Solutions, 174 977 5786 923 Cogent Communications 701 956 8065 790 UUNET Technologies, Inc. 18566 912 272 8 Covad Communications 2386 903 506 676 AT&T Data Communications Serv 1239 849 2774 602 Sprint 19029 771 152 113 New Edge Networks 209 693 3608 540 Qwest 20115 666 583 358 Charter Communications 19262 657 1907 153 Verizon Global Networks 22773 636 1480 40 Cox Communications, Inc. 11492 627 85 16 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 280 3477 234 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 228 89 199 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 186 1925 70 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 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 575 1067 222 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 101 20 7 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 25620 97 6 3 COTAS LTDA 7315 96 6 3 Grupo Rey Moreno 11311 96 8 23 Sinectis S.A. 14522 96 12 8 SatNet 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 161 60 7 TEDATA 2018 121 298 103 Tertiary Education Network 5536 121 8 18 Internet Egypt 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 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 1223 988 Time Warner Telecom 18566 912 904 Covad Communications 9583 854 839 Sify Limited 4755 857 786 Videsh Sanchar Nigam Ltd. Aut 4134 988 781 CHINANET-BACKBONE 721 1020 713 DLA Systems Automation Center 19029 771 658 New Edge Networks 11492 627 611 Cable One 22773 636 596 Cox Communications, Inc. 6197 997 538 BellSouth Network Solutions, 19916 563 509 OLM LLC 17488 516 509 Hathway IP Over Cable Interne 855 570 506 Canadian Research Network 19262 657 504 Verizon Global Networks 5668 516 491 CenturyTel Internet Holdings, 9498 531 460 BHARTI BT INTERNET LTD. 7757 468 449 AT&T Broadband 7545 516 447 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 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 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 65215 PRIVATE 202.58.66.0/24 17800 PT. JARINGAN INTECH 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 65412 PRIVATE 221.123.80.0/20 24405 Beijing CJWX Communi 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 /15:697 /16:8729 /17:3087 /18:5122 /19:11345 /20:12686 /21:10916 /22:14018 /23:15210 /24:99670 /25:367 /26:270 /27:209 /28:59 /29:25 /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 791 997 BellSouth Network Solutions, 7018 753 1464 AT&T WorldNet Services 19029 699 771 New Edge Networks 9583 674 854 Sify Limited 2386 628 903 AT&T Data Communications Serv 11492 618 627 Cable One 4323 590 1223 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 375 849 Sprint 702 369 584 UUNET - Commercial IP service 15270 349 379 PaeTec.net -a division of Pae 6517 342 371 Yipes Communications, Inc. 22773 332 636 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 20:44 24:865 25:1 30:2 32:67 38:203 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:113 59:165 60:185 61:807 62:763 63:1893 64:3050 65:2210 66:3086 67:600 68:706 69:1488 70:304 71:68 72:627 73:25 74:11 80:748 81:584 82:507 83:373 84:352 85:455 86:334 87:192 88:28 89:47 124:125 125:256 128:154 129:174 130:107 131:314 132:33 133:7 134:145 135:48 136:169 137:65 138:191 139:69 140:483 141:134 142:415 143:145 144:225 145:39 146:309 147:134 148:333 149:184 150:112 151:76 152:61 153:102 154:6 155:185 156:93 157:123 158:159 159:175 160:87 161:70 162:220 163:144 164:173 165:187 166:147 167:238 168:470 169:139 170:323 171:12 172:1 190:30 192:5763 193:3401 194:2514 195:1801 196:771 198:3890 199:3266 200:4188 201:604 202:6489 203:6849 204:3889 205:2092 206:2419 207:2918 208:1999 209:3743 210:1974 211:828 212:1291 213:1489 214:337 215:42 216:4054 217:1168 218:258 219:150 220:652 221:369 222:156
End of report
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