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Routing Table Report 04:00 +10GMT Mon 20 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 182061 Prefixes after maximum aggregation: 101338 Unique aggregates announced to Internet: 88476 Total ASes present in the Internet Routing Table: 21541 Origin-only ASes present in the Internet Routing Table: 18718 Origin ASes announcing only one prefix: 8902 Transit ASes present in the Internet Routing Table: 2823 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: 22 Prefixes from unregistered ASNs in the Routing Table: 23 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1497649120 Equivalent to 89 /8s, 68 /16s and 79 /24s Percentage of available address space announced: 40.4 Percentage of allocated address space announced: 59.6 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 88895
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38119 Total APNIC prefixes after maximum aggregation: 16201 Prefixes being announced from the APNIC address blocks: 35847 Unique aggregates announced from the APNIC address blocks: 17515 APNIC Region origin ASes present in the Internet Routing Table: 2468 APNIC Region origin ASes announcing only one prefix: 677 APNIC Region transit ASes present in the Internet Routing Table: 382 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 213202912 Equivalent to 12 /8s, 181 /16s and 55 /24s Percentage of available APNIC address space announced: 66.7
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: 95810 Total ARIN prefixes after maximum aggregation: 56597 Prefixes being announced from the ARIN address blocks: 75108 Unique aggregates announced from the ARIN address blocks: 28446 ARIN Region origin ASes present in the Internet Routing Table: 10526 ARIN Region origin ASes announcing only one prefix: 3946 ARIN Region transit ASes present in the Internet Routing Table: 959 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 287781376 Equivalent to 17 /8s, 39 /16s and 50 /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: 35938 Total RIPE prefixes after maximum aggregation: 24191 Prefixes being announced from the RIPE address blocks: 32953 Unique aggregates announced from the RIPE address blocks: 22237 RIPE Region origin ASes present in the Internet Routing Table: 7666 RIPE Region origin ASes announcing only one prefix: 4017 RIPE Region transit ASes present in the Internet Routing Table: 1295 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 236834432 Equivalent to 14 /8s, 29 /16s and 206 /24s Percentage of available RIPE address space announced: 70.6
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: 10239 Total LACNIC prefixes after maximum aggregation: 3462 Prefixes being announced from the LACNIC address blocks: 8418 Unique aggregates announced from the LACNIC address blocks: 5087 LACNIC Region origin ASes present in the Internet Routing Table: 672 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: 22 Number of LACNIC addresses announced to Internet: 25459200 Equivalent to 1 /8s, 132 /16s and 122 /24s Percentage of available LACNIC address space announced: 37.9
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: 1927 Total AfriNIC prefixes after maximum aggregation: 887 Prefixes being announced from the AfriNIC address blocks: 1296 Unique aggregates announced from the AfriNIC address blocks: 860 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: 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: 3780864 Equivalent to 0 /8s, 57 /16s and 177 /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 985 6496 204 CHINANET-BACKBONE 9583 853 109 16 Sify Limited 4766 701 3927 301 Korea Telecom (KIX) 4755 665 255 59 Videsh Sanchar Nigam Ltd. Aut 1221 652 1428 468 Telstra Pty Ltd 9498 535 211 73 BHARTI BT INTERNET LTD. 7545 516 108 69 TPG Internet Pty Ltd 17488 515 31 7 Hathway IP Over Cable Interne 17676 480 6949 104 Softbank BB Corp. 9443 411 94 85 Primus Telecommunications 4802 367 75 159 Wantree Development 2907 341 1763 318 SINET Japan 9929 332 218 50 China Netcom Corp. 18101 326 68 26 Reliance Infocom Ltd Internet 17974 321 77 38 PT TELEKOMUNIKASI INDONESIA 17557 316 25 162 Pakistan Telecom 7474 297 211 229 SingTel Optus Pty Ltd 4780 281 226 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 1457 6247 946 AT&T WorldNet Services 4323 1208 711 236 Time Warner Telecom 721 1014 21954 308 DLA Systems Automation Center 174 984 5787 929 Cogent Communications 6197 984 458 510 BellSouth Network Solutions, 701 956 8065 791 UUNET Technologies, Inc. 18566 909 272 8 Covad Communications 2386 896 505 670 AT&T Data Communications Serv 19029 859 152 115 New Edge Networks 1239 850 2774 603 Sprint 209 692 3607 540 Qwest 20115 665 583 357 Charter Communications 6198 651 451 239 BellSouth Network Solutions, 22773 632 1480 40 Cox Communications, Inc. 19262 630 1832 152 Verizon Global Networks 11492 629 81 12 Cable One 852 573 1088 381 Telus Advanced Communications 855 571 244 64 Canadian Research Network 19916 563 49 54 OLM LLC 3602 519 127 106 Sprint Canada, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 583 1952 459 UUNET - Commercial IP service 3301 306 1071 291 TeliaNet Sweden 3352 303 1500 30 Ibernet, Internet Access Netw 3320 281 3477 235 Deutsche Telekom AG 8220 274 474 268 COLT Telecommunications 680 243 2025 240 DFN-IP service G-WiN 3246 228 487 218 Song Networks 6746 224 86 196 Dynamic Network Technologies, 8708 222 274 205 Romania Data Systems S.A. 1257 204 712 173 SWIPnet Swedish IP Network 8551 187 181 25 Bezeq International 3269 186 1925 70 TELECOM ITALIA 5515 176 839 124 Sonera Solution Autonomous Sy 3215 174 1438 85 France Telecom Transpac 786 173 1794 173 The JANET IP Service 8866 171 37 12 Bulgarian Telecommunication C 24863 170 38 9 LINKdotNET AS number 3300 166 171 94 AUCS Communications Services 5400 166 328 135 BT Ignite European Backbone 6830 163 733 34 UPC Distribution Services
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 576 1035 220 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 303 110 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 157 74 18 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 117 149 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 104 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 117 298 103 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 60 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 15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1208 972 Time Warner Telecom 18566 909 901 Covad Communications 9583 853 837 Sify Limited 4134 985 781 CHINANET-BACKBONE 19029 859 744 New Edge Networks 721 1014 706 DLA Systems Automation Center 11492 629 617 Cable One 4755 665 606 Videsh Sanchar Nigam Ltd. Aut 22773 632 592 Cox Communications, Inc. 19916 563 509 OLM LLC 17488 515 508 Hathway IP Over Cable Interne 855 571 507 Canadian Research Network 5668 517 492 CenturyTel Internet Holdings, 19262 630 478 Verizon Global Networks 6197 984 474 BellSouth Network Solutions, 9498 535 462 BHARTI BT INTERNET LTD. 7545 516 447 TPG Internet Pty Ltd 7757 462 443 AT&T Broadband 3602 519 413 Sprint Canada, Inc. 6198 651 412 BellSouth Network Solutions,
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65211 PRIVATE 125.64.3.0/24 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 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 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 36476 UNALLOCATED 209.237.128.0/18 3356 Level 3 Communicatio 65518 PRIVATE 211.144.192.0/19 24421 *
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 /12:87 /13:200 /14:350 /15:695 /16:8717 /17:3080 /18:5103 /19:11300 /20:12605 /21:10851 /22:13922 /23:15113 /24:99005 /25:352 /26:264 /27:203 /28:58 /29:24 /30:31 /31:3 /32:40
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 892 909 Covad Communications 6197 788 984 BellSouth Network Solutions, 19029 781 859 New Edge Networks 7018 749 1457 AT&T WorldNet Services 9583 673 853 Sify Limited 2386 621 896 AT&T Data Communications Serv 11492 621 629 Cable One 4323 583 1208 Time Warner Telecom 19916 557 563 OLM LLC 6198 515 651 BellSouth Network Solutions, 4766 506 701 Korea Telecom (KIX) 7011 446 516 Citizens Utilities 7757 444 462 AT&T Broadband 855 443 571 Canadian Research Network 5668 402 517 CenturyTel Internet Holdings, 1239 375 850 Sprint 702 369 583 UUNET - Commercial IP service 15270 348 378 PaeTec.net -a division of Pae 6517 340 369 Yipes Communications, Inc. 22773 331 632 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:43 12:1641 13:1 15:12 16:3 17:3 18:4 20:44 24:859 25:1 30:2 32:67 38:197 40:54 44:3 47:3 52:4 55:1 56:3 57:33 58:119 59:162 60:181 61:803 62:762 63:1896 64:3023 65:2244 66:3075 67:595 68:674 69:1429 70:310 71:52 72:621 73:23 74:6 80:752 81:584 82:519 83:370 84:348 85:443 86:317 87:171 88:22 89:31 124:19 125:267 128:144 129:174 130:107 131:314 132:32 133:7 134:146 135:47 136:169 137:61 138:190 139:87 140:476 141:133 142:413 143:145 144:219 145:38 146:304 147:134 148:327 149:185 150:112 151:75 152:61 153:103 154:6 155:183 156:96 157:122 158:158 159:178 160:99 161:68 162:219 163:142 164:173 165:183 166:147 167:238 168:469 169:139 170:321 171:12 172:1 190:30 192:5760 193:3388 194:2511 195:1774 196:764 198:3890 199:3263 200:4167 201:601 202:6423 203:6748 204:3885 205:2092 206:2417 207:2915 208:1975 209:3819 210:1946 211:823 212:1268 213:1473 214:336 215:41 216:4047 217:1169 218:238 219:146 220:641 221:345 222:154
End of report
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