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Routing Table Report 04:00 +10GMT Tue 24 Jan, 2006
Analysis Summary ----------------
BGP routing table entries examined: 179290 Prefixes after maximum aggregation: 100371 Unique aggregates announced to Internet: 87244 Total ASes present in the Internet Routing Table: 21347 Origin-only ASes present in the Internet Routing Table: 18557 Origin ASes announcing only one prefix: 8784 Transit ASes present in the Internet Routing Table: 2790 Transit-only ASes present in the Internet Routing Table: 75 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: 1 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1482467616 Equivalent to 88 /8s, 92 /16s and 169 /24s Percentage of available address space announced: 40.0 Percentage of allocated address space announced: 59.0 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 86698
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 37677 Total APNIC prefixes after maximum aggregation: 15893 Prefixes being announced from the APNIC address blocks: 35461 Unique aggregates announced from the APNIC address blocks: 17351 APNIC Region origin ASes present in the Internet Routing Table: 2461 APNIC Region origin ASes announcing only one prefix: 692 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: 211044576 Equivalent to 12 /8s, 148 /16s and 72 /24s Percentage of available APNIC address space announced: 66.0
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: 94214 Total ARIN prefixes after maximum aggregation: 56367 Prefixes being announced from the ARIN address blocks: 73497 Unique aggregates announced from the ARIN address blocks: 28123 ARIN Region origin ASes present in the Internet Routing Table: 10461 ARIN Region origin ASes announcing only one prefix: 3891 ARIN Region transit ASes present in the Internet Routing Table: 969 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 282868224 Equivalent to 16 /8s, 220 /16s and 58 /24s Percentage of available ARIN address space announced: 70.3
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: 35287 Total RIPE prefixes after maximum aggregation: 23785 Prefixes being announced from the RIPE address blocks: 32293 Unique aggregates announced from the RIPE address blocks: 21640 RIPE Region origin ASes present in the Internet Routing Table: 7541 RIPE Region origin ASes announcing only one prefix: 3942 RIPE Region transit ASes present in the Internet Routing Table: 1250 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 230145664 Equivalent to 13 /8s, 183 /16s and 190 /24s Percentage of available RIPE address space announced: 68.6
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: 10274 Total LACNIC prefixes after maximum aggregation: 3459 Prefixes being announced from the LACNIC address blocks: 8438 Unique aggregates announced from the LACNIC address blocks: 5045 LACNIC Region origin ASes present in the Internet Routing Table: 665 LACNIC Region origin ASes announcing only one prefix: 216 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 24766464 Equivalent to 1 /8s, 121 /16s and 232 /24s Percentage of available LACNIC address space announced: 36.9
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: 1831 Total AfriNIC prefixes after maximum aggregation: 867 Prefixes being announced from the AfriNIC address blocks: 1218 Unique aggregates announced from the AfriNIC address blocks: 856 AfriNIC Region origin ASes present in the Internet Routing Table: 144 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 3035136 Equivalent to 0 /8s, 46 /16s and 80 /24s Percentage of available AfriNIC address space announced: 9.0
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 979 6450 206 CHINANET-BACKBONE 9583 841 109 15 Sify Limited 4755 786 258 63 Videsh Sanchar Nigam Ltd. Aut 4766 719 3929 303 Korea Telecom (KIX) 1221 667 1364 474 Telstra Pty Ltd 7545 514 108 70 TPG Internet Pty Ltd 9498 513 211 69 BHARTI BT INTERNET LTD. 17676 478 6917 103 Softbank BB Corp. 17488 435 26 9 Hathway IP Over Cable Interne 9443 408 93 85 Primus Telecommunications 4802 364 75 159 Wantree Development 2907 338 1763 315 SINET Japan 9929 335 218 50 China Netcom Corp. 7474 330 227 228 SingTel Optus Pty Ltd 18101 330 68 23 Reliance Infocom Ltd Internet 17974 317 77 36 PT TELEKOMUNIKASI INDONESIA 17557 312 25 162 Pakistan Telecom 4780 282 226 16 Digital United Inc. 9837 271 78 169 Powertel Ltd 9800 256 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1474 6265 961 AT&T WorldNet Services 4323 1203 724 236 Time Warner Telecom 174 1037 5807 949 Cogent Communications 721 1031 21938 308 DLA Systems Automation Center 6197 977 437 508 BellSouth Network Solutions, 701 966 8099 808 UUNET Technologies, Inc. 18566 892 272 8 Covad Communications 2386 879 501 687 AT&T Data Communications Serv 1239 849 2791 603 Sprint 209 659 3603 525 Qwest 20115 659 538 341 Charter Communications 11492 644 89 12 Cable One 22773 610 1478 33 Cox Communications, Inc. 19262 595 1705 140 Verizon Global Networks 852 570 1092 379 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 558 242 59 Canadian Research Network 6478 535 1481 297 AT&T Worldnet Services 3602 521 127 106 Sprint Canada, Inc. 5668 518 143 24 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 587 1954 465 UUNET - Commercial IP service 3301 302 1071 288 TeliaNet Sweden 3352 302 1500 34 Ibernet, Internet Access Netw 3320 283 3485 237 Deutsche Telekom AG 8220 274 474 268 COLT Telecommunications 680 246 2024 238 DFN-IP service G-WiN 3246 228 487 218 Song Networks 8708 221 274 205 Romania Data Systems S.A. 6746 215 85 187 Dynamic Network Technologies, 1257 195 712 173 SWIPnet Swedish IP Network 3269 185 1925 70 TELECOM ITALIA 5515 180 840 127 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 8866 171 37 13 Bulgarian Telecommunication C 3215 167 1366 81 France Telecom Transpac 24863 167 38 9 LINKdotNET AS number 5400 166 328 136 BT Ignite European Backbone 3300 161 170 92 AUCS Communications Services 6830 159 669 33 UPC Distribution Services 12479 157 322 5 Uni2 Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 560 1048 217 UniNet S.A. de C.V. 22047 379 141 44 VTR PUNTO NET S.A. 11172 301 110 78 Servicios Alestra S.A de C.V 16814 295 18 7 NSS, S.A. 13999 191 52 13 Mega Cable S.A. de C.V. 14117 181 11 6 Telefonica del Sur S.A. 7303 152 73 18 Telecom Argentina Stet-France 6147 150 118 21 Telefonica Del Peru 11556 130 64 3 Cable-Wireless Panama 19169 122 8 29 Telconet 10481 121 48 8 Prima S.A. 6503 117 148 78 AVANTEL, S.A. 21826 113 14 19 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 11311 100 8 14 Sinectis S.A. 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 4270 94 17 9 Red de Interconexion Universi 14522 94 12 8 SatNet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 276 819 233 The Internet Solution 8452 151 60 7 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 76 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 24835 72 34 6 RAYA Telecom - Egypt 6713 68 71 10 Itissalat Al-MAGHRIB 20928 60 16 2 Noor Advanced Technologies AS 5713 39 167 35 Telkom SA Ltd 33774 36 9 27 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 23889 25 7 10 MAURITIUS TELECOM 8524 23 1 4 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 16637 22 10 20 Johnnic e-Ventures 21280 21 4 4 Swift Global Kenya Ltd.Is an 12455 19 6 5 Jambonet Autonomous system 12258 17 3 11 Vodacom Internet Company 15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1203 967 Time Warner Telecom 18566 892 884 Covad Communications 9583 841 826 Sify Limited 4134 979 773 CHINANET-BACKBONE 721 1031 723 DLA Systems Automation Center 4755 786 723 Videsh Sanchar Nigam Ltd. Aut 11492 644 632 Cable One 22773 610 577 Cox Communications, Inc. 19916 563 509 OLM LLC 855 558 499 Canadian Research Network 5668 518 494 CenturyTel Internet Holdings, 6197 977 469 BellSouth Network Solutions, 19262 595 455 Verizon Global Networks 7545 514 444 TPG Internet Pty Ltd 9498 513 444 BHARTI BT INTERNET LTD. 17488 435 426 Hathway IP Over Cable Interne 4766 719 416 Korea Telecom (KIX) 3602 521 415 Sprint Canada, Inc. 812 438 410 Rogers WAVE 17676 478 375 Softbank BB Corp.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
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 /9:5 /10:8 /11:20 /12:87 /13:196 /14:349 /15:682 /16:8655 /17:2975 /18:4976 /19:11220 /20:12391 /21:10715 /22:13705 /23:14925 /24:97411 /25:311 /26:254 /27:202 /28:62 /29:26 /30:55 /31:3 /32:39
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 875 892 Covad Communications 6197 785 977 BellSouth Network Solutions, 7018 747 1474 AT&T WorldNet Services 9583 660 841 Sify Limited 11492 635 644 Cable One 2386 613 879 AT&T Data Communications Serv 4323 578 1203 Time Warner Telecom 19916 557 563 OLM LLC 4766 519 719 Korea Telecom (KIX) 855 444 558 Canadian Research Network 5668 407 518 CenturyTel Internet Holdings, 7011 403 469 Citizens Utilities 702 372 587 UUNET - Commercial IP service 1239 366 849 Sprint 6198 357 500 BellSouth Network Solutions, 6517 343 371 Yipes Communications, Inc. 15270 334 361 PaeTec.net -a division of Pae 812 317 438 Rogers WAVE 22773 315 610 Cox Communications, Inc. 13609 290 332 Choice One Communications Inc
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:44 12:1635 13:1 15:11 16:3 17:3 18:4 20:42 24:765 25:1 30:2 32:66 38:190 40:54 44:3 47:3 52:4 55:1 56:3 57:34 58:115 59:157 60:183 61:818 62:749 63:1886 64:2949 65:2151 66:3014 67:589 68:693 69:1387 70:276 71:50 72:580 73:22 80:734 81:601 82:512 83:360 84:339 85:410 86:265 87:150 88:18 89:7 124:5 125:183 128:155 129:174 130:102 131:310 132:34 133:7 134:151 135:46 136:169 137:62 138:181 139:88 140:447 141:135 142:413 143:144 144:225 145:39 146:313 147:134 148:324 149:186 150:114 151:72 152:61 153:101 154:6 155:185 156:91 157:119 158:153 159:178 160:88 161:68 162:255 163:175 164:166 165:179 166:147 167:236 168:477 169:139 170:315 171:12 190:30 192:5757 193:3359 194:2460 195:1726 196:736 198:3891 199:3271 200:4199 201:559 202:6467 203:6752 204:3841 205:2071 206:2439 207:2920 208:2018 209:3467 210:1842 211:782 212:1285 213:1445 214:319 215:40 216:3821 217:1169 218:233 219:138 220:643 221:334 222:146
End of report
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