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Routing Table Report 00:00 GMT Wed 06 Dec, 2006
Analysis Summary ----------------
BGP routing table entries examined: 215924 Prefixes after maximum aggregation: 112933 Unique aggregates announced to Internet: 99445 Total ASes present in the Internet Routing Table: 23908 Origin-only ASes present in the Internet Routing Table: 20698 Origin ASes announcing only one prefix: 10004 Transit ASes present in the Internet Routing Table: 3210 Transit-only ASes present in the Internet Routing Table: 88 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 39 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 27 Unregistered ASNs in the Routing Table: 17 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 8 Number of addresses announced to Internet: 1661243957 Equivalent to 99 /8s, 4 /16s and 146 /24s Percentage of available address space announced: 44.8 Percentage of allocated address space announced: 63.6 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 112336
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47282 Total APNIC prefixes after maximum aggregation: 18627 Prefixes being announced from the APNIC address blocks: 44762 Unique aggregates announced from the APNIC address blocks: 19037 APNIC Region origin ASes present in the Internet Routing Table: 2805 APNIC Region origin ASes announcing only one prefix: 787 APNIC Region transit ASes present in the Internet Routing Table: 440 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 271698440 Equivalent to 16 /8s, 49 /16s and 202 /24s Percentage of available APNIC address space announced: 85.0
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: 109303 Total ARIN prefixes after maximum aggregation: 61609 Prefixes being announced from the ARIN address blocks: 81419 Unique aggregates announced from the ARIN address blocks: 28462 ARIN Region origin ASes present in the Internet Routing Table: 11220 ARIN Region origin ASes announcing only one prefix: 4253 ARIN Region transit ASes present in the Internet Routing Table: 1094 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 30 Number of ARIN addresses announced to Internet: 311691872 Equivalent to 18 /8s, 148 /16s and 10 /24s Percentage of available ARIN address space announced: 68.8
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, 39936-40959 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 43283 Total RIPE prefixes after maximum aggregation: 27768 Prefixes being announced from the RIPE address blocks: 40310 Unique aggregates announced from the RIPE address blocks: 25979 RIPE Region origin ASes present in the Internet Routing Table: 8873 RIPE Region origin ASes announcing only one prefix: 4672 RIPE Region transit ASes present in the Internet Routing Table: 1461 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 279695681 Equivalent to 16 /8s, 171 /16s and 209 /24s Percentage of available RIPE address space announced: 75.8
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 40960-43007 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 13456 Total LACNIC prefixes after maximum aggregation: 3956 Prefixes being announced from the LACNIC address blocks: 11471 Unique aggregates announced from the LACNIC address blocks: 6615 LACNIC Region origin ASes present in the Internet Routing Table: 752 LACNIC Region origin ASes announcing only one prefix: 244 LACNIC Region transit ASes present in the Internet Routing Table: 138 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 35234816 Equivalent to 2 /8s, 25 /16s and 164 /24s Percentage of available LACNIC address space announced: 52.5
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: 2574 Total AfriNIC prefixes after maximum aggregation: 973 Prefixes being announced from the AfriNIC address blocks: 1819 Unique aggregates announced from the AfriNIC address blocks: 1045 AfriNIC Region origin ASes present in the Internet Routing Table: 170 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 29 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 4517888 Equivalent to 0 /8s, 68 /16s and 240 /24s Percentage of available AfriNIC address space announced: 13.5
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 1266 8525 250 CHINANET-BACKBONE 4755 1053 383 65 Videsh Sanchar Nigam Ltd. Aut 9583 999 108 62 Sify Limited 4538 951 2846 35 China Education and Research 9498 890 212 62 BHARTI BT INTERNET LTD. 23577 781 35 709 KRNIC 4766 744 4945 306 Korea Telecom (KIX) 1221 621 1698 457 Telstra Pty Ltd 17488 556 35 20 Hathway IP Over Cable Interne 7545 552 126 75 TPG Internet Pty Ltd 17676 501 10934 65 Softbank BB Corp. 18101 490 87 23 Reliance Infocom Ltd Internet 9443 442 111 74 Primus Telecommunications 9942 436 81 129 COMindico Australia 4812 431 753 65 China Telecom (Shanghai) 17849 423 36 126 Telecommunications Technology 4802 414 86 152 Wantree Development 17974 375 129 12 PT TELEKOMUNIKASI INDONESIA 7474 372 211 230 SingTel Optus Pty Ltd 17557 367 31 176 Pakistan Telecom
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 547 1928 426 UUNET - Commercial IP service 3215 413 2100 99 France Telecom Transpac 24863 382 45 15 LINKdotNET AS number 3301 309 1199 293 TeliaNet Sweden 3320 299 4992 246 Deutsche Telekom AG 8220 275 472 263 COLT Telecommunications 1257 260 1073 173 SWIPnet Swedish IP Network 6746 260 92 237 Dynamic Network Technologies, 680 250 2041 246 DFN-IP service G-WiN 5089 244 1657 52 NTL Group Limited 9116 231 134 23 Goldenlines main autonomous s 8708 228 281 215 Romania Data Systems S.A. 3246 210 369 197 Song Networks 3269 208 2357 75 TELECOM ITALIA 5416 205 13 9 BATELCO-BH 30890 205 18 85 SC Kappa Invexim SRL 8551 200 198 23 Bezeq International 6830 185 823 39 UPC Distribution Services 3300 184 171 98 AUCS Communications Services 786 172 1795 172 The JANET IP Service
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4880 6705 766 UUNET Technologies, Inc. 7018 1530 6168 989 AT&T WorldNet Services 705 1432 555 631 UUNET Technologies, Inc. 2386 1112 586 739 AT&T Data Communications Serv 4323 1054 805 295 Time Warner Telecom 6197 1019 628 498 BellSouth Network Solutions, 18566 980 272 8 Covad Communications 174 945 6821 867 Cogent Communications 11492 843 98 11 Cable One 1239 831 2731 581 Sprint 721 830 21905 297 DLA Systems Automation Center 7046 804 251 659 UUNET Technologies, Inc. 19262 786 2452 177 Verizon Global Networks 20115 769 688 417 Charter Communications 209 712 3766 562 Qwest 22773 712 1744 41 Cox Communications, Inc. 7011 693 213 432 Citizens Utilities 852 610 1091 389 Telus Advanced Communications 19916 567 48 57 OLM LLC 6198 551 527 258 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1266 1016 CHINANET-BACKBONE 4755 1053 988 Videsh Sanchar Nigam Ltd. Aut 18566 980 972 Covad Communications 9583 999 937 Sify Limited 4538 951 916 China Education and Research 11492 843 832 Cable One 9498 890 828 BHARTI BT INTERNET LTD. 705 1432 801 UUNET Technologies, Inc. 4323 1054 759 Time Warner Telecom 22773 712 671 Cox Communications, Inc. 19262 786 609 Verizon Global Networks 8151 752 546 UniNet S.A. de C.V. 7018 1530 541 AT&T WorldNet Services 17488 556 536 Hathway IP Over Cable Interne 721 830 533 DLA Systems Automation Center 5668 550 531 CenturyTel Internet Holdings, 6197 1019 521 BellSouth Network Solutions, 19916 567 510 OLM LLC 11830 506 497 Instituto Costarricense de El 7545 552 477 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 64599 PRIVATE 64.200.115.0/24 32083 Omnispring 65509 PRIVATE 84.221.16.0/23 3257 Tiscali Intl Network 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 65006 PRIVATE 89.28.32.0/21 31252 StarNet Communicatio 65010 PRIVATE 135.196.7.112/29 8190 VIATEL 65014 PRIVATE 135.196.176.96/27 8190 VIATEL 65000 PRIVATE 199.133.62.0/24 10886 University of Maryla 65000 PRIVATE 199.133.63.0/24 10886 University of Maryla 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65010 PRIVATE 212.2.12.160/28 8190 VIATEL 65016 PRIVATE 212.2.26.64/29 8190 VIATEL 65016 PRIVATE 212.2.31.184/30 8190 VIATEL 65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 65526 PRIVATE 213.205.19.128/28 3257 Tiscali Intl Network 65526 PRIVATE 213.205.19.144/28 3257 Tiscali Intl Network 65533 PRIVATE 213.213.213.213/32 3257 Tiscali Intl Network 65018 PRIVATE 213.235.24.216/29 8190 VIATEL 65010 PRIVATE 213.235.29.224/29 8190 VIATEL 65013 PRIVATE 213.235.33.0/27 8190 VIATEL 65017 PRIVATE 213.235.48.96/28 8190 VIATEL 64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio 64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 0.0.0.0/0 286 KPNQwest Backbone AS 192.0.2.0/24 812 Rogers WAVE 192.168.83.0/24 292 Energy Sciences Network
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 176.16.0.0/16 7908 Comsat Argentina S.A. 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 192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:10 /10:13 /11:30 /12:114 /13:237 /14:404 /15:799 /16:9136 /17:3689 /18:5968 /19:12939 /20:14609 /21:13438 /22:16915 /23:18418 /24:116496 /25:739 /26:531 /27:458 /28:205 /29:154 /30:500 /31:0 /32:101
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3631 4880 UUNET Technologies, Inc. 18566 963 980 Covad Communications 705 895 1432 UUNET Technologies, Inc. 2386 829 1112 AT&T Data Communications Serv 9583 829 999 Sify Limited 11492 829 843 Cable One 7018 815 1530 AT&T WorldNet Services 6197 797 1019 BellSouth Network Solutions, 23577 767 781 KRNIC 7011 598 693 Citizens Utilities 19916 562 567 OLM LLC 7046 558 804 UUNET Technologies, Inc. 4766 555 744 Korea Telecom (KIX) 9498 544 890 BHARTI BT INTERNET LTD. 4538 529 951 China Education and Research 4755 477 1053 Videsh Sanchar Nigam Ltd. Aut 15270 457 487 PaeTec.net -a division of Pae 855 436 538 Canadian Research Network 5668 423 550 CenturyTel Internet Holdings, 18101 422 490 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:67 9:1 12:1668 13:1 15:15 16:3 17:3 18:4 20:39 24:845 25:1 32:176 38:267 40:57 41:52 44:2 47:8 52:4 53:1 55:1 56:3 57:52 58:281 59:371 60:204 61:970 62:1180 63:3351 64:3302 65:3629 66:3195 67:695 68:659 69:1726 70:398 71:114 72:1022 74:114 75:34 76:15 80:821 81:764 82:678 83:378 84:487 85:726 86:422 87:445 88:281 89:646 90:1 91:101 97:1 121:86 122:36 123:3 124:481 125:737 128:312 129:206 130:126 131:322 132:48 133:11 134:177 135:41 136:180 137:116 138:189 139:100 140:522 141:135 142:366 143:212 144:254 145:67 146:331 147:142 148:364 149:175 150:109 151:118 152:83 153:113 154:6 155:262 156:148 157:139 158:166 159:139 160:98 161:90 162:218 163:162 164:283 165:237 166:243 167:278 168:491 169:124 170:395 171:12 189:14 190:318 192:5789 193:3617 194:2879 195:2251 196:978 198:3931 199:3369 200:4601 201:928 202:7227 203:7296 204:4100 205:2214 206:2647 207:3162 208:3059 209:3696 210:2407 211:976 212:1413 213:1525 214:387 215:39 216:4284 217:1344 218:369 219:285 220:817 221:372 222:259
End of report
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