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Routing Table Report 04:00 +10GMT Tue 04 Apr, 2006
Analysis Summary ----------------
BGP routing table entries examined: 185531 Prefixes after maximum aggregation: 102745 Unique aggregates announced to Internet: 90450 Total ASes present in the Internet Routing Table: 21872 Origin-only ASes present in the Internet Routing Table: 19013 Origin ASes announcing only one prefix: 9047 Transit ASes present in the Internet Routing Table: 2859 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 20 Prefixes from unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1500025952 Equivalent to 89 /8s, 104 /16s and 148 /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: 91107
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 39006 Total APNIC prefixes after maximum aggregation: 16348 Prefixes being announced from the APNIC address blocks: 36699 Unique aggregates announced from the APNIC address blocks: 18012 APNIC Region origin ASes present in the Internet Routing Table: 2528 APNIC Region origin ASes announcing only one prefix: 719 APNIC Region transit ASes present in the Internet Routing Table: 388 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 219769056 Equivalent to 13 /8s, 25 /16s and 104 /24s Percentage of available APNIC address space announced: 68.7
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: 96969 Total ARIN prefixes after maximum aggregation: 57279 Prefixes being announced from the ARIN address blocks: 76055 Unique aggregates announced from the ARIN address blocks: 29020 ARIN Region origin ASes present in the Internet Routing Table: 10617 ARIN Region origin ASes announcing only one prefix: 3968 ARIN Region transit ASes present in the Internet Routing Table: 977 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293464320 Equivalent to 17 /8s, 125 /16s and 233 /24s Percentage of available ARIN address space announced: 72.9
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: 36818 Total RIPE prefixes after maximum aggregation: 24648 Prefixes being announced from the RIPE address blocks: 33860 Unique aggregates announced from the RIPE address blocks: 22847 RIPE Region origin ASes present in the Internet Routing Table: 7832 RIPE Region origin ASes announcing only one prefix: 4097 RIPE Region transit ASes present in the Internet Routing Table: 1301 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 243116672 Equivalent to 14 /8s, 125 /16s and 170 /24s Percentage of available RIPE address space announced: 72.5
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: 10629 Total LACNIC prefixes after maximum aggregation: 3583 Prefixes being announced from the LACNIC address blocks: 8788 Unique aggregates announced from the LACNIC address blocks: 5252 LACNIC Region origin ASes present in the Internet Routing Table: 681 LACNIC Region origin ASes announcing only one prefix: 220 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: 20 Number of LACNIC addresses announced to Internet: 26244864 Equivalent to 1 /8s, 144 /16s and 119 /24s Percentage of available LACNIC address space announced: 39.1
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: 2100 Total AfriNIC prefixes after maximum aggregation: 887 Prefixes being announced from the AfriNIC address blocks: 1437 Unique aggregates announced from the AfriNIC address blocks: 913 AfriNIC Region origin ASes present in the Internet Routing Table: 149 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 3967488 Equivalent to 0 /8s, 60 /16s and 138 /24s Percentage of available AfriNIC address space announced: 11.8
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 1012 6919 214 CHINANET-BACKBONE 4755 891 259 69 Videsh Sanchar Nigam Ltd. Aut 9583 872 109 16 Sify Limited 4766 678 3923 304 Korea Telecom (KIX) 1221 623 1556 477 Telstra Pty Ltd 9498 560 211 73 BHARTI BT INTERNET LTD. 7545 531 108 71 TPG Internet Pty Ltd 17488 502 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 416 95 82 Primus Telecommunications 4802 376 77 171 Wantree Development 2907 336 1749 312 SINET Japan 17974 336 90 37 PT TELEKOMUNIKASI INDONESIA 18101 326 68 23 Reliance Infocom Ltd Internet 17557 321 27 165 Pakistan Telecom 17849 318 20 104 Telecommunications Technology 9929 317 218 54 China Netcom Corp. 7474 307 211 233 SingTel Optus Pty Ltd 4780 281 226 16 Digital United Inc. 9837 269 77 165 Powertel Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1514 6264 971 AT&T WorldNet Services 4323 1251 715 249 Time Warner Telecom 721 1008 21962 306 DLA Systems Automation Center 6197 1008 614 476 BellSouth Network Solutions, 174 955 5783 902 Cogent Communications 701 937 8048 773 UUNET Technologies, Inc. 18566 925 272 8 Covad Communications 2386 870 521 663 AT&T Data Communications Serv 1239 852 2804 603 Sprint 19029 781 151 109 New Edge Networks 209 701 3607 544 Qwest 20115 672 590 361 Charter Communications 19262 665 1968 156 Verizon Global Networks 22773 643 1480 40 Cox Communications, Inc. 11492 627 86 20 Cable One 7011 623 213 404 Citizens Utilities 6198 586 526 234 BellSouth Network Solutions, 852 584 1089 388 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 702 585 1951 458 UUNET - Commercial IP service 3301 308 1071 292 TeliaNet Sweden 3352 307 1564 31 Ibernet, Internet Access Netw 8220 289 473 268 COLT Telecommunications 3320 281 3476 233 Deutsche Telekom AG 680 245 2025 242 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 230 89 204 Dynamic Network Technologies, 8708 215 275 200 Romania Data Systems S.A. 8551 203 198 24 Bezeq International 24863 200 40 9 LINKdotNET AS number 1257 198 711 173 SWIPnet Swedish IP Network 3269 197 2086 76 TELECOM ITALIA 3215 191 1598 89 France Telecom Transpac 8866 174 37 14 Bulgarian Telecommunication C 9121 174 931 26 TTnet Autonomous System 786 171 1778 171 The JANET IP Service 5400 168 329 137 BT Ignite European Backbone 6830 167 765 35 UPC Distribution Services 5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 596 1051 225 UniNet S.A. de C.V. 22047 386 142 10 VTR PUNTO NET S.A. 11172 319 110 82 Servicios Alestra S.A de C.V 16814 280 18 7 NSS, S.A. 14117 185 12 6 Telefonica del Sur S.A. 10481 181 72 8 Prima 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 128 12 9 Telecommunications Services o 19169 123 8 32 Telconet 21826 123 16 20 INTERCABLE 6503 122 149 75 AVANTEL, S.A. 6505 106 88 78 Global One Communicaoes Ltda 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 4270 94 17 9 Red de Interconexion Universi 14522 94 13 5 SatNet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 277 803 232 The Internet Solution 8452 167 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 15475 129 84 4 Nile Online 2018 124 314 105 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 111 50 7 RAYA Telecom - Egypt 2905 74 155 67 The Internetworking Company o 20928 57 16 2 Noor Advanced Technologies AS 12455 46 6 3 Jambonet Autonomous system 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 16637 24 14 22 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 1251 1002 Time Warner Telecom 18566 925 917 Covad Communications 9583 872 856 Sify Limited 4755 891 822 Videsh Sanchar Nigam Ltd. Aut 4134 1012 798 CHINANET-BACKBONE 721 1008 702 DLA Systems Automation Center 19029 781 672 New Edge Networks 11492 627 607 Cable One 22773 643 603 Cox Communications, Inc. 6197 1008 532 BellSouth Network Solutions, 19262 665 509 Verizon Global Networks 19916 563 509 OLM LLC 5668 532 502 CenturyTel Internet Holdings, 17488 502 495 Hathway IP Over Cable Interne 9498 560 487 BHARTI BT INTERNET LTD. 855 546 482 Canadian Research Network 7545 531 460 TPG Internet Pty Ltd 7757 474 455 AT&T Broadband 3602 540 431 Sprint Canada, Inc. 17676 484 377 Softbank BB Corp.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65289 PRIVATE 148.164.1.0/24 4755 Videsh Sanchar Nigam 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 24808 UNALLOCATED 217.78.74.0/23 12491 IPPlanet 24808 UNALLOCATED 217.78.76.0/23 12491 IPPlanet 65412 PRIVATE 221.123.128.0/20 24405 Beijing CJWX Communi
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 183.206.196.0/24 2188 FR-RENATER-ASTER 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 /8:17 /9:9 /10:8 /11:27 /12:88 /13:199 /14:357 /15:691 /16:8771 /17:3155 /18:5178 /19:11468 /20:12914 /21:11184 /22:14279 /23:15408 /24:100766 /25:346 /26:249 /27:219 /28:63 /29:68 /30:34 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 908 925 Covad Communications 7018 804 1514 AT&T WorldNet Services 6197 797 1008 BellSouth Network Solutions, 19029 713 781 New Edge Networks 9583 693 872 Sify Limited 11492 618 627 Cable One 4323 603 1251 Time Warner Telecom 2386 595 870 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 535 623 Citizens Utilities 4766 487 678 Korea Telecom (KIX) 7757 456 474 AT&T Broadband 6198 441 586 BellSouth Network Solutions, 855 420 546 Canadian Research Network 5668 412 532 CenturyTel Internet Holdings, 1239 377 852 Sprint 702 366 585 UUNET - Commercial IP service 15270 365 395 PaeTec.net -a division of Pae 6517 349 378 Yipes Communications, Inc. 22773 337 643 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:40 12:1623 13:1 15:11 16:3 17:3 18:4 20:43 24:881 25:1 30:2 32:67 38:208 40:53 44:3 45:2 47:6 52:4 55:1 56:3 57:33 58:152 59:190 60:179 61:839 62:820 63:1915 64:3120 65:2231 66:3094 67:616 68:700 69:1433 70:321 71:82 72:661 73:23 74:28 80:759 81:615 82:547 83:370 84:375 85:510 86:338 87:286 88:50 89:112 124:200 125:282 128:154 129:177 130:107 131:319 132:33 133:8 134:150 135:47 136:177 137:69 138:199 139:74 140:467 141:134 142:393 143:161 144:230 145:40 146:322 147:133 148:338 149:190 150:113 151:80 152:65 153:107 154:6 155:196 156:99 157:120 158:165 159:171 160:86 161:69 162:252 163:146 164:179 165:183 166:165 167:242 168:479 169:134 170:329 171:12 172:1 183:1 190:51 192:5775 193:3398 194:2557 195:1792 196:836 198:3876 199:3261 200:4258 201:673 202:6537 203:6904 204:3935 205:2082 206:2426 207:2927 208:2040 209:3697 210:1929 211:737 212:1240 213:1443 214:335 215:41 216:4089 217:1174 218:239 219:179 220:654 221:354 222:162
End of report
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