Routing Table Report 00:00 GMT Sat 25 Nov, 2006 Analysis Summary ---------------- BGP routing table entries examined: 215117 Prefixes after maximum aggregation: 112699 Unique aggregates announced to Internet: 98953 Total ASes present in the Internet Routing Table: 23839 Origin-only ASes present in the Internet Routing Table: 20728 Origin ASes announcing only one prefix: 9994 Transit ASes present in the Internet Routing Table: 3111 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 30 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 19 Unregistered ASNs in the Routing Table: 12 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 8 Number of addresses announced to Internet: 1641491192 Equivalent to 97 /8s, 215 /16s and 42 /24s Percentage of available address space announced: 44.3 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 111845 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 46758 Total APNIC prefixes after maximum aggregation: 18558 Prefixes being announced from the APNIC address blocks: 44231 Unique aggregates announced from the APNIC address blocks: 18813 APNIC Region origin ASes present in the Internet Routing Table: 2788 APNIC Region origin ASes announcing only one prefix: 775 APNIC Region transit ASes present in the Internet Routing Table: 422 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 270303888 Equivalent to 16 /8s, 28 /16s and 130 /24s Percentage of available APNIC address space announced: 84.5 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: 109086 Total ARIN prefixes after maximum aggregation: 61465 Prefixes being announced from the ARIN address blocks: 81286 Unique aggregates announced from the ARIN address blocks: 28426 ARIN Region origin ASes present in the Internet Routing Table: 11190 ARIN Region origin ASes announcing only one prefix: 4256 ARIN Region transit ASes present in the Internet Routing Table: 1050 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 30 Number of ARIN addresses announced to Internet: 311026400 Equivalent to 18 /8s, 137 /16s and 226 /24s Percentage of available ARIN address space announced: 68.7 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: 43244 Total RIPE prefixes after maximum aggregation: 27771 Prefixes being announced from the RIPE address blocks: 40277 Unique aggregates announced from the RIPE address blocks: 25763 RIPE Region origin ASes present in the Internet Routing Table: 8864 RIPE Region origin ASes announcing only one prefix: 4668 RIPE Region transit ASes present in the Internet Routing Table: 1445 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 278218240 Equivalent to 16 /8s, 149 /16s and 70 /24s Percentage of available RIPE address space announced: 75.4 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 40960-41983 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: 13469 Total LACNIC prefixes after maximum aggregation: 3940 Prefixes being announced from the LACNIC address blocks: 11448 Unique aggregates announced from the LACNIC address blocks: 6657 LACNIC Region origin ASes present in the Internet Routing Table: 751 LACNIC Region origin ASes announcing only one prefix: 245 LACNIC Region transit ASes present in the Internet Routing Table: 134 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 35101184 Equivalent to 2 /8s, 23 /16s and 154 /24s Percentage of available LACNIC address space announced: 52.3 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: 2542 Total AfriNIC prefixes after maximum aggregation: 965 Prefixes being announced from the AfriNIC address blocks: 1771 Unique aggregates announced from the AfriNIC address blocks: 999 AfriNIC Region origin ASes present in the Internet Routing Table: 171 AfriNIC Region origin ASes announcing only one prefix: 50 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4493312 Equivalent to 0 /8s, 68 /16s and 144 /24s Percentage of available AfriNIC address space announced: 13.4 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 1261 8509 249 CHINANET-BACKBONE 4755 1042 384 68 Videsh Sanchar Nigam Ltd. Aut 9583 967 97 71 Sify Limited 9498 891 212 62 BHARTI BT INTERNET LTD. 23577 779 35 709 KRNIC 4766 741 4945 304 Korea Telecom (KIX) 4538 677 2846 35 China Education and Research 1221 625 1714 463 Telstra Pty Ltd 17488 553 34 19 Hathway IP Over Cable Interne 7545 549 126 74 TPG Internet Pty Ltd 17676 501 10934 65 Softbank BB Corp. 18101 486 86 21 Reliance Infocom Ltd Internet 9443 443 111 74 Primus Telecommunications 9942 442 82 133 COMindico Australia 4812 441 751 64 China Telecom (Shanghai) 17849 423 36 126 Telecommunications Technology 4802 411 86 149 Wantree Development 17557 371 32 176 Pakistan Telecom 7474 370 211 228 SingTel Optus Pty Ltd 2907 337 1749 312 SINET Japan RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 541 1927 420 UUNET - Commercial IP service 3215 403 1972 94 France Telecom Transpac 24863 378 44 15 LINKdotNET AS number 3301 308 1199 292 TeliaNet Sweden 3320 297 4992 245 Deutsche Telekom AG 8220 278 472 265 COLT Telecommunications 6746 259 92 236 Dynamic Network Technologies, 680 250 2041 246 DFN-IP service G-WiN 5089 244 1657 52 NTL Group Limited 1257 229 1073 174 SWIPnet Swedish IP Network 9116 228 134 23 Goldenlines main autonomous s 3246 226 409 213 Song Networks 8708 221 279 208 Romania Data Systems S.A. 8551 210 198 31 Bezeq International 3269 208 2357 75 TELECOM ITALIA 5416 205 13 9 BATELCO-BH 30890 202 18 82 SC Kappa Invexim SRL 6830 185 823 39 UPC Distribution Services 3300 181 171 96 AUCS Communications Services 2856 172 2316 128 BTnet UK Regional network ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 4896 6707 778 UUNET Technologies, Inc. 7018 1549 10276 976 AT&T WorldNet Services 705 1436 556 635 UUNET Technologies, Inc. 2386 1107 571 736 AT&T Data Communications Serv 4323 1038 805 292 Time Warner Telecom 6197 1025 629 498 BellSouth Network Solutions, 18566 979 272 8 Covad Communications 174 936 6788 860 Cogent Communications 1239 848 2764 592 Sprint 721 841 21921 300 DLA Systems Automation Center 11492 810 98 15 Cable One 7046 809 251 664 UUNET Technologies, Inc. 19262 783 2452 177 Verizon Global Networks 20115 765 684 416 Charter Communications 22773 714 1743 41 Cox Communications, Inc. 209 707 3762 552 Qwest 7011 692 213 432 Citizens Utilities 852 609 1087 388 Telus Advanced Communications 19916 567 48 57 OLM LLC 5668 552 161 19 CenturyTel Internet Holdings, Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1261 1012 CHINANET-BACKBONE 4755 1042 974 Videsh Sanchar Nigam Ltd. Aut 18566 979 971 Covad Communications 9583 967 896 Sify Limited 9498 891 829 BHARTI BT INTERNET LTD. 705 1436 801 UUNET Technologies, Inc. 11492 810 795 Cable One 4323 1038 746 Time Warner Telecom 22773 714 673 Cox Communications, Inc. 4538 677 642 China Education and Research 19262 783 606 Verizon Global Networks 7018 1549 573 AT&T WorldNet Services 8151 758 550 UniNet S.A. de C.V. 721 841 541 DLA Systems Automation Center 17488 553 534 Hathway IP Over Cable Interne 5668 552 533 CenturyTel Internet Holdings, 6197 1025 527 BellSouth Network Solutions, 19916 567 510 OLM LLC 11830 506 497 Instituto Costarricense de El 7545 549 475 TPG Internet Pty Ltd List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 65010 PRIVATE 135.196.7.112/29 8190 VIATEL 65014 PRIVATE 135.196.176.96/27 8190 VIATEL 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 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 192.0.2.0/24 2854 RoSprint AS (Global One Russi 192.168.83.0/24 292 Energy Sciences Network 198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S 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 172.33.1.0/24 7018 AT&T WorldNet Services 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) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:10 /10:13 /11:30 /12:113 /13:234 /14:400 /15:803 /16:9131 /17:3685 /18:5940 /19:12903 /20:14589 /21:13277 /22:16842 /23:18333 /24:116191 /25:754 /26:535 /27:452 /28:194 /29:151 /30:458 /31:0 /32:60 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 3643 4896 UUNET Technologies, Inc. 18566 962 979 Covad Communications 705 896 1436 UUNET Technologies, Inc. 2386 829 1107 AT&T Data Communications Serv 7018 824 1549 AT&T WorldNet Services 6197 802 1025 BellSouth Network Solutions, 9583 798 967 Sify Limited 11492 796 810 Cable One 23577 765 779 KRNIC 7011 597 692 Citizens Utilities 7046 562 809 UUNET Technologies, Inc. 19916 562 567 OLM LLC 4766 552 741 Korea Telecom (KIX) 9498 539 891 BHARTI BT INTERNET LTD. 4755 468 1042 Videsh Sanchar Nigam Ltd. Aut 15270 457 487 PaeTec.net -a division of Pae 855 436 535 Canadian Research Network 5668 428 552 CenturyTel Internet Holdings, 1239 422 848 Sprint 18101 419 486 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:66 9:1 12:1667 13:1 15:15 16:3 17:3 18:4 20:39 24:838 25:1 32:177 38:267 40:57 41:31 44:2 47:8 52:4 53:1 55:1 56:3 57:54 58:278 59:362 60:214 61:953 62:1193 63:3346 64:3318 65:3634 66:3204 67:684 68:658 69:1726 70:399 71:112 72:1018 74:112 75:32 76:14 80:844 81:769 82:679 83:379 84:497 85:765 86:422 87:427 88:252 89:625 91:85 97:1 121:78 122:31 123:3 124:472 125:729 128:285 129:205 130:125 131:324 132:46 133:11 134:177 135:42 136:179 137:114 138:186 139:102 140:529 141:134 142:368 143:199 144:253 145:67 146:323 147:143 148:366 149:176 150:109 151:118 152:83 153:121 154:6 155:261 156:148 157:164 158:152 159:138 160:102 161:90 162:215 163:162 164:283 165:236 166:244 167:272 168:489 169:124 170:394 171:11 172:1 190:307 192:5831 193:3612 194:2875 195:2264 196:961 198:3928 199:3374 200:4625 201:963 202:7172 203:7195 204:4097 205:2222 206:2639 207:3157 208:3049 209:3688 210:2267 211:987 212:1486 213:1536 214:383 215:39 216:4274 217:1358 218:368 219:293 220:811 221:364 222:222 End of report