Routing Table Report 00:00 GMT Sat 23 Dec, 2006 Analysis Summary ---------------- BGP routing table entries examined: 217208 Prefixes after maximum aggregation: 113816 Unique aggregates announced to Internet: 100115 Total ASes present in the Internet Routing Table: 24074 Origin-only ASes present in the Internet Routing Table: 20886 Origin ASes announcing only one prefix: 10082 Transit ASes present in the Internet Routing Table: 3188 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 31 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 20 Unregistered ASNs in the Routing Table: 14 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1648442728 Equivalent to 98 /8s, 65 /16s and 61 /24s Percentage of available address space announced: 44.5 Percentage of allocated address space announced: 63.1 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 113219 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 47609 Total APNIC prefixes after maximum aggregation: 18727 Prefixes being announced from the APNIC address blocks: 45081 Unique aggregates announced from the APNIC address blocks: 19050 APNIC Region origin ASes present in the Internet Routing Table: 2818 APNIC Region origin ASes announcing only one prefix: 793 APNIC Region transit ASes present in the Internet Routing Table: 431 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 272615296 Equivalent to 16 /8s, 63 /16s and 199 /24s Percentage of available APNIC address space announced: 85.2 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: 109468 Total ARIN prefixes after maximum aggregation: 61860 Prefixes being announced from the ARIN address blocks: 81638 Unique aggregates announced from the ARIN address blocks: 28706 ARIN Region origin ASes present in the Internet Routing Table: 11252 ARIN Region origin ASes announcing only one prefix: 4280 ARIN Region transit ASes present in the Internet Routing Table: 1066 Average ARIN Region AS path length visible: 5.1 Max ARIN Region AS path length visible: 31 Number of ARIN addresses announced to Internet: 311199200 Equivalent to 18 /8s, 140 /16s and 133 /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: 44032 Total RIPE prefixes after maximum aggregation: 28282 Prefixes being announced from the RIPE address blocks: 40955 Unique aggregates announced from the RIPE address blocks: 26215 RIPE Region origin ASes present in the Internet Routing Table: 9003 RIPE Region origin ASes announcing only one prefix: 4709 RIPE Region transit ASes present in the Internet Routing Table: 1490 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 281827456 Equivalent to 16 /8s, 204 /16s and 88 /24s Percentage of available RIPE address space announced: 76.4 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 40960-43007 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: 13466 Total LACNIC prefixes after maximum aggregation: 3967 Prefixes being announced from the LACNIC address blocks: 11514 Unique aggregates announced from the LACNIC address blocks: 6693 LACNIC Region origin ASes present in the Internet Routing Table: 755 LACNIC Region origin ASes announcing only one prefix: 249 LACNIC Region transit ASes present in the Internet Routing Table: 131 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 35492608 Equivalent to 2 /8s, 29 /16s and 147 /24s Percentage of available LACNIC address space announced: 52.9 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: 2614 Total AfriNIC prefixes after maximum aggregation: 980 Prefixes being announced from the AfriNIC address blocks: 1852 Unique aggregates announced from the AfriNIC address blocks: 1060 AfriNIC Region origin ASes present in the Internet Routing Table: 172 AfriNIC Region origin ASes announcing only one prefix: 51 AfriNIC Region transit ASes present in the Internet Routing Table: 31 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 5325824 Equivalent to 0 /8s, 81 /16s and 68 /24s Percentage of available AfriNIC address space announced: 15.9 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 1284 8607 259 CHINANET-BACKBONE 4755 1101 383 64 Videsh Sanchar Nigam Ltd. Aut 9583 1019 109 16 Sify Limited 4538 953 2910 35 China Education and Research 9498 895 211 63 BHARTI BT INTERNET LTD. 23577 773 34 701 KRNIC 4766 752 4946 307 Korea Telecom (KIX) 1221 610 1698 454 Telstra Pty Ltd 17488 565 35 21 Hathway IP Over Cable Interne 7545 555 126 75 TPG Internet Pty Ltd 17676 503 10935 66 Softbank BB Corp. 18101 494 87 23 Reliance Infocom Ltd Internet 9443 442 111 74 Primus Telecommunications 9942 440 81 132 COMindico Australia 4812 438 758 69 China Telecom (Shanghai) 17849 411 36 126 Telecommunications Technology 4802 408 86 146 Wantree Development 7474 382 211 237 SingTel Optus Pty Ltd 17974 375 129 12 PT TELEKOMUNIKASI INDONESIA 17557 367 35 171 Pakistan Telecom RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 545 1911 424 UUNET - Commercial IP service 3215 393 2104 96 France Telecom Transpac 24863 385 45 15 LINKdotNET AS number 3301 310 1199 292 TeliaNet Sweden 3320 297 4993 245 Deutsche Telekom AG 8220 274 470 264 COLT Telecommunications 6746 263 92 241 Dynamic Network Technologies, 680 253 2041 248 DFN-IP service G-WiN 1257 248 1069 171 SWIPnet Swedish IP Network 5089 244 1657 52 NTL Group Limited 9116 233 134 23 Goldenlines main autonomous s 8708 231 282 218 Romania Data Systems S.A. 3269 210 2373 73 TELECOM ITALIA 30890 207 19 89 SC Kappa Invexim SRL 5416 206 13 9 BATELCO-BH 3246 205 353 192 Song Networks 8551 199 197 24 Bezeq International 3300 186 171 99 AUCS Communications Services 3352 175 1767 31 Ibernet, Internet Access Netw 12479 175 578 6 Uni2 Autonomous System ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 4849 6689 760 UUNET Technologies, Inc. 7018 1549 10263 1004 AT&T WorldNet Services 705 1424 554 624 UUNET Technologies, Inc. 2386 1111 587 736 AT&T Data Communications Serv 4323 1051 820 296 Time Warner Telecom 6197 1017 636 501 BellSouth Network Solutions, 18566 983 272 8 Covad Communications 174 966 6809 877 Cogent Communications 11492 863 98 13 Cable One 1239 837 2739 583 Sprint 7046 801 251 656 UUNET Technologies, Inc. 19262 789 2496 181 Verizon Global Networks 721 777 21869 291 DLA Systems Automation Center 20115 767 667 412 Charter Communications 209 712 3763 562 Qwest 22773 707 1743 38 Cox Communications, Inc. 7011 688 211 433 Citizens Utilities 852 617 1092 391 Telus Advanced Communications 577 576 744 214 Bell Advanced Communications 19916 567 48 57 OLM LLC Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1101 1037 Videsh Sanchar Nigam Ltd. Aut 4134 1284 1025 CHINANET-BACKBONE 9583 1019 1003 Sify Limited 18566 983 975 Covad Communications 4538 953 918 China Education and Research 11492 863 850 Cable One 9498 895 832 BHARTI BT INTERNET LTD. 705 1424 800 UUNET Technologies, Inc. 4323 1051 755 Time Warner Telecom 22773 707 669 Cox Communications, Inc. 19262 789 608 Verizon Global Networks 8151 783 577 UniNet S.A. de C.V. 7018 1549 545 AT&T WorldNet Services 17488 565 544 Hathway IP Over Cable Interne 5668 547 528 CenturyTel Internet Holdings, 6197 1017 516 BellSouth Network Solutions, 19916 567 510 OLM LLC 11830 504 495 Instituto Costarricense de El 721 777 486 DLA Systems Automation Center 7545 555 480 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 65019 PRIVATE 135.196.106.208/28 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 0.0.0.0/0 286 KPNQwest Backbone AS 192.0.2.0/24 2854 RoSprint AS (Global One Russi 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 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 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 /8:19 /9:10 /10:13 /11:30 /12:115 /13:240 /14:408 /15:802 /16:9136 /17:3699 /18:6021 /19:13055 /20:14777 /21:13393 /22:17140 /23:18604 /24:117104 /25:732 /26:535 /27:450 /28:195 /29:152 /30:476 /31:0 /32:101 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 3613 4849 UUNET Technologies, Inc. 18566 966 983 Covad Communications 705 887 1424 UUNET Technologies, Inc. 11492 849 863 Cable One 9583 845 1019 Sify Limited 7018 835 1549 AT&T WorldNet Services 2386 828 1111 AT&T Data Communications Serv 6197 793 1017 BellSouth Network Solutions, 23577 759 773 KRNIC 7011 593 688 Citizens Utilities 19916 562 567 OLM LLC 4766 561 752 Korea Telecom (KIX) 9498 558 895 BHARTI BT INTERNET LTD. 7046 557 801 UUNET Technologies, Inc. 4538 532 953 China Education and Research 4755 522 1101 Videsh Sanchar Nigam Ltd. Aut 15270 464 494 PaeTec.net -a division of Pae 855 435 538 Canadian Research Network 18101 428 494 Reliance Infocom Ltd Internet 5668 419 547 CenturyTel Internet Holdings, Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:61 9:1 12:1672 13:1 15:15 16:3 17:3 18:5 20:34 24:858 25:1 32:176 38:273 40:57 41:55 44:2 47:10 52:4 53:1 55:1 56:3 57:53 58:283 59:380 60:220 61:990 62:1189 63:3353 64:3311 65:3634 66:3192 67:713 68:657 69:1716 70:406 71:114 72:1104 74:121 75:49 76:16 80:828 81:762 82:694 83:391 84:465 85:780 86:405 87:458 88:254 89:712 90:1 91:106 97:1 121:112 122:43 123:7 124:511 125:747 128:302 129:219 130:133 131:316 132:48 133:11 134:177 135:43 136:180 137:115 138:189 139:102 140:529 141:134 142:368 143:213 144:263 145:67 146:322 147:143 148:368 149:174 150:111 151:118 152:90 153:118 154:6 155:247 156:149 157:154 158:166 159:140 160:99 161:91 162:224 163:160 164:283 165:236 166:243 167:282 168:484 169:123 170:377 171:12 172:1 189:29 190:308 192:5826 193:3651 194:2946 195:2302 196:993 198:3922 199:3352 200:4574 201:944 202:7238 203:7299 204:4111 205:2213 206:2662 207:3157 208:3077 209:3715 210:2411 211:992 212:1388 213:1485 214:385 215:39 216:4260 217:1332 218:369 219:289 220:831 221:373 222:278 End of report