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Routing Table Report 04:00 +10GMT Tue 11 Apr, 2006
Analysis Summary ----------------
BGP routing table entries examined: 186117 Prefixes after maximum aggregation: 103000 Unique aggregates announced to Internet: 90966 Total ASes present in the Internet Routing Table: 21912 Origin-only ASes present in the Internet Routing Table: 19040 Origin ASes announcing only one prefix: 9070 Transit ASes present in the Internet Routing Table: 2872 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: 24 Prefixes from unregistered ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1502899040 Equivalent to 89 /8s, 148 /16s and 107 /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: 91641
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 39062 Total APNIC prefixes after maximum aggregation: 16381 Prefixes being announced from the APNIC address blocks: 36757 Unique aggregates announced from the APNIC address blocks: 18096 APNIC Region origin ASes present in the Internet Routing Table: 2537 APNIC Region origin ASes announcing only one prefix: 720 APNIC Region transit ASes present in the Internet Routing Table: 390 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 221547488 Equivalent to 13 /8s, 52 /16s and 139 /24s Percentage of available APNIC address space announced: 69.3
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: 97058 Total ARIN prefixes after maximum aggregation: 57366 Prefixes being announced from the ARIN address blocks: 76131 Unique aggregates announced from the ARIN address blocks: 29168 ARIN Region origin ASes present in the Internet Routing Table: 10626 ARIN Region origin ASes announcing only one prefix: 3978 ARIN Region transit ASes present in the Internet Routing Table: 980 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293892864 Equivalent to 17 /8s, 132 /16s and 115 /24s Percentage of available ARIN address space announced: 73.0
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: 37048 Total RIPE prefixes after maximum aggregation: 24751 Prefixes being announced from the RIPE address blocks: 34093 Unique aggregates announced from the RIPE address blocks: 23014 RIPE Region origin ASes present in the Internet Routing Table: 7852 RIPE Region origin ASes announcing only one prefix: 4104 RIPE Region transit ASes present in the Internet Routing Table: 1308 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 243473536 Equivalent to 14 /8s, 131 /16s and 28 /24s Percentage of available RIPE address space announced: 72.6
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: 10833 Total LACNIC prefixes after maximum aggregation: 3608 Prefixes being announced from the LACNIC address blocks: 8984 Unique aggregates announced from the LACNIC address blocks: 5314 LACNIC Region origin ASes present in the Internet Routing Table: 681 LACNIC Region origin ASes announcing only one prefix: 222 LACNIC Region transit ASes present in the Internet Routing Table: 127 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 26342144 Equivalent to 1 /8s, 145 /16s and 243 /24s Percentage of available LACNIC address space announced: 39.3
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: 2103 Total AfriNIC prefixes after maximum aggregation: 894 Prefixes being announced from the AfriNIC address blocks: 1445 Unique aggregates announced from the AfriNIC address blocks: 941 AfriNIC Region origin ASes present in the Internet Routing Table: 151 AfriNIC Region origin ASes announcing only one prefix: 46 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: 14 Number of AfriNIC addresses announced to Internet: 4031744 Equivalent to 0 /8s, 61 /16s and 133 /24s Percentage of available AfriNIC address space announced: 12.0
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 6927 210 CHINANET-BACKBONE 4755 897 259 70 Videsh Sanchar Nigam Ltd. Aut 9583 865 109 16 Sify Limited 4766 681 3924 303 Korea Telecom (KIX) 1221 623 1557 477 Telstra Pty Ltd 9498 567 212 72 BHARTI BT INTERNET LTD. 7545 528 108 70 TPG Internet Pty Ltd 17488 502 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 421 95 82 Primus Telecommunications 4802 378 77 172 Wantree Development 18101 337 69 25 Reliance Infocom Ltd Internet 2907 336 1749 312 SINET Japan 17974 326 118 25 PT TELEKOMUNIKASI INDONESIA 17849 323 21 106 Telecommunications Technology 17557 322 27 165 Pakistan Telecom 9929 319 220 55 China Netcom Corp. 7474 299 211 230 SingTel Optus Pty Ltd 9800 268 410 67 CHINA UNICOM 4837 267 2890 108 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1506 6258 965 AT&T WorldNet Services 4323 1254 716 250 Time Warner Telecom 721 1013 21961 306 DLA Systems Automation Center 6197 1012 615 471 BellSouth Network Solutions, 174 958 5783 904 Cogent Communications 701 935 8047 775 UUNET Technologies, Inc. 18566 928 272 8 Covad Communications 2386 874 537 666 AT&T Data Communications Serv 1239 853 2805 606 Sprint 19029 781 151 109 New Edge Networks 209 715 3616 560 Qwest 20115 674 591 362 Charter Communications 19262 669 1977 156 Verizon Global Networks 22773 643 1484 41 Cox Communications, Inc. 11492 627 86 20 Cable One 7011 623 213 404 Citizens Utilities 6198 589 530 236 BellSouth Network Solutions, 852 586 1089 388 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 551 244 64 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 581 1951 454 UUNET - Commercial IP service 3352 309 1596 32 Ibernet, Internet Access Netw 3301 308 1071 292 TeliaNet Sweden 8220 291 473 269 COLT Telecommunications 3320 282 3476 234 Deutsche Telekom AG 680 245 2025 242 DFN-IP service G-WiN 3246 232 504 222 Song Networks 6746 226 88 200 Dynamic Network Technologies, 8708 210 275 197 Romania Data Systems S.A. 8551 202 198 24 Bezeq International 24863 201 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 175 37 15 Bulgarian Telecommunication C 5400 172 363 141 BT Ignite European Backbone 786 171 1778 171 The JANET IP Service 9121 168 931 27 TTnet Autonomous System 6830 167 765 35 UPC Distribution Services 3300 160 172 91 AUCS Communications Services
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 697 1067 227 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 321 110 84 Servicios Alestra S.A de C.V 16814 309 20 8 NSS, S.A. 14117 189 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 129 12 9 Telecommunications Services o 21826 128 16 21 INTERCABLE 19169 124 8 30 Telconet 6503 122 149 75 AVANTEL, S.A. 14259 114 10 12 GTD Internet S.A. 18822 114 8 10 TELEFONICA MANQUEHUE 6505 106 88 78 Global One Communicaoes Ltda 23216 102 21 9 RAMtelecom Telecomunicaciones 7315 96 6 3 Grupo Rey Moreno 14522 95 13 6 SatNet S.A. 25620 95 6 7 COTAS LTDA
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 277 803 232 The Internet Solution 8452 166 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 15475 133 84 4 Nile Online 2018 123 314 104 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 115 50 7 RAYA Telecom - Egypt 2905 74 155 67 The Internetworking Company o 20928 58 16 2 Noor Advanced Technologies AS 12455 43 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 10798 22 1 13 Standard Bank of South Africa 16637 22 14 20 Johnnic e-Ventures 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 1254 1004 Time Warner Telecom 18566 928 920 Covad Communications 9583 865 849 Sify Limited 4755 897 827 Videsh Sanchar Nigam Ltd. Aut 4134 988 778 CHINANET-BACKBONE 721 1013 707 DLA Systems Automation Center 19029 781 672 New Edge Networks 11492 627 607 Cable One 22773 643 602 Cox Communications, Inc. 6197 1012 541 BellSouth Network Solutions, 19262 669 513 Verizon Global Networks 19916 563 509 OLM LLC 5668 532 502 CenturyTel Internet Holdings, 9498 567 495 BHARTI BT INTERNET LTD. 17488 502 495 Hathway IP Over Cable Interne 855 551 487 Canadian Research Network 8151 697 470 UniNet S.A. de C.V. 7545 528 458 TPG Internet Pty Ltd 7757 476 457 AT&T Broadband 3602 539 430 Sprint Canada, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 43144 UNALLOCATED 12.149.157.0/24 7018 AT&T WorldNet Servic 64501 RESERVED 68.142.125.0/24 22822 Limelight Networks, 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65280 PRIVATE 203.197.161.0/24 4755 Videsh Sanchar Nigam 65280 PRIVATE 203.200.14.0/24 4755 Videsh Sanchar Nigam 65280 PRIVATE 203.200.21.0/24 4755 Videsh Sanchar Nigam 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 192.84.205.0/24 719 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 /13:200 /14:358 /15:693 /16:8791 /17:3169 /18:5203 /19:11487 /20:12918 /21:11172 /22:14371 /23:15461 /24:101109 /25:368 /26:254 /27:216 /28:62 /29:69 /30:34 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 911 928 Covad Communications 6197 801 1012 BellSouth Network Solutions, 7018 798 1506 AT&T WorldNet Services 19029 713 781 New Edge Networks 9583 694 865 Sify Limited 11492 618 627 Cable One 4323 604 1254 Time Warner Telecom 2386 594 874 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 535 623 Citizens Utilities 4766 490 681 Korea Telecom (KIX) 7757 458 476 AT&T Broadband 6198 442 589 BellSouth Network Solutions, 855 425 551 Canadian Research Network 5668 412 532 CenturyTel Internet Holdings, 1239 379 853 Sprint 15270 368 399 PaeTec.net -a division of Pae 702 362 581 UUNET - Commercial IP service 6517 351 379 Yipes Communications, Inc. 8151 341 697 UniNet S.A. de C.V.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:44 12:1619 13:1 15:12 16:3 17:3 18:4 20:43 24:884 25:1 30:2 32:68 38:210 40:54 44:3 45:5 47:6 52:4 55:1 56:3 57:33 58:149 59:195 60:176 61:840 62:831 63:1908 64:3125 65:2225 66:3074 67:621 68:686 69:1466 70:324 71:75 72:676 73:23 74:29 80:760 81:621 82:576 83:377 84:379 85:516 86:341 87:307 88:57 89:124 124:212 125:348 128:165 129:174 130:107 131:317 132:32 133:8 134:150 135:47 136:177 137:71 138:199 139:67 140:468 141:133 142:393 143:158 144:229 145:41 146:324 147:133 148:334 149:189 150:114 151:80 152:64 153:107 154:6 155:196 156:100 157:125 158:165 159:169 160:85 161:71 162:251 163:145 164:179 165:183 166:165 167:243 168:480 169:134 170:329 171:12 172:1 183:1 190:83 192:5761 193:3394 194:2575 195:1805 196:845 198:3882 199:3261 200:4267 201:819 202:6521 203:6875 204:3924 205:2105 206:2418 207:2932 208:2033 209:3726 210:1912 211:698 212:1234 213:1459 214:339 215:41 216:4094 217:1169 218:242 219:172 220:649 221:353 222:153
End of report
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