Routing Table Report 00:00 GMT Wed 01 Nov, 2006 Analysis Summary ---------------- BGP routing table entries examined: 213304 Prefixes after maximum aggregation: 111789 Unique aggregates announced to Internet: 97624 Total ASes present in the Internet Routing Table: 23622 Origin-only ASes present in the Internet Routing Table: 20436 Origin ASes announcing only one prefix: 9861 Transit ASes present in the Internet Routing Table: 3186 Transit-only ASes present in the Internet Routing Table: 85 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: 20 Unregistered ASNs in the Routing Table: 14 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1624503100 Equivalent to 96 /8s, 211 /16s and 243 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 60.6 Percentage of available address space allocated: 72.3 Total number of prefixes smaller than registry allocations: 110354 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 46141 Total APNIC prefixes after maximum aggregation: 18376 Prefixes being announced from the APNIC address blocks: 43655 Unique aggregates announced from the APNIC address blocks: 18508 APNIC Region origin ASes present in the Internet Routing Table: 2754 APNIC Region origin ASes announcing only one prefix: 765 APNIC Region transit ASes present in the Internet Routing Table: 429 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 264803860 Equivalent to 15 /8s, 200 /16s and 150 /24s Percentage of available APNIC address space announced: 82.8 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: 109267 Total ARIN prefixes after maximum aggregation: 61262 Prefixes being announced from the ARIN address blocks: 81131 Unique aggregates announced from the ARIN address blocks: 28115 ARIN Region origin ASes present in the Internet Routing Table: 11131 ARIN Region origin ASes announcing only one prefix: 4224 ARIN Region transit ASes present in the Internet Routing Table: 1095 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 30 Number of ARIN addresses announced to Internet: 308056576 Equivalent to 18 /8s, 92 /16s and 146 /24s Percentage of available ARIN address space announced: 68.0 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, 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: 42328 Total RIPE prefixes after maximum aggregation: 27346 Prefixes being announced from the RIPE address blocks: 39602 Unique aggregates announced from the RIPE address blocks: 25305 RIPE Region origin ASes present in the Internet Routing Table: 8741 RIPE Region origin ASes announcing only one prefix: 4579 RIPE Region transit ASes present in the Internet Routing Table: 1460 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 270756800 Equivalent to 16 /8s, 35 /16s and 107 /24s Percentage of available RIPE address space announced: 73.4 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: 13107 Total LACNIC prefixes after maximum aggregation: 3848 Prefixes being announced from the LACNIC address blocks: 11118 Unique aggregates announced from the LACNIC address blocks: 6443 LACNIC Region origin ASes present in the Internet Routing Table: 745 LACNIC Region origin ASes announcing only one prefix: 242 LACNIC Region transit ASes present in the Internet Routing Table: 131 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 33875456 Equivalent to 2 /8s, 4 /16s and 230 /24s Percentage of available LACNIC address space announced: 50.5 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: 2442 Total AfriNIC prefixes after maximum aggregation: 957 Prefixes being announced from the AfriNIC address blocks: 1717 Unique aggregates announced from the AfriNIC address blocks: 985 AfriNIC Region origin ASes present in the Internet Routing Table: 166 AfriNIC Region origin ASes announcing only one prefix: 51 AfriNIC Region transit ASes present in the Internet Routing Table: 28 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 4337424 Equivalent to 0 /8s, 66 /16s and 47 /24s Percentage of available AfriNIC address space announced: 12.9 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 1252 8377 245 CHINANET-BACKBONE 4755 1015 383 63 Videsh Sanchar Nigam Ltd. Aut 9583 955 109 15 Sify Limited 9498 872 212 69 BHARTI BT INTERNET LTD. 23577 780 35 708 KRNIC 4766 739 4436 306 Korea Telecom (KIX) 4538 672 2782 34 China Education and Research 1221 651 1780 481 Telstra Pty Ltd 17488 547 34 15 Hathway IP Over Cable Interne 7545 544 124 74 TPG Internet Pty Ltd 17676 500 10934 64 Softbank BB Corp. 18101 473 86 22 Reliance Infocom Ltd Internet 9443 454 111 74 Primus Telecommunications 4812 440 745 61 China Telecom (Shanghai) 9942 432 77 125 COMindico Australia 17849 430 36 126 Telecommunications Technology 4802 413 86 152 Wantree Development 10139 368 23 6 Meridian Telekoms 17557 365 31 176 Pakistan Telecom 17974 365 129 12 PT TELEKOMUNIKASI INDONESIA RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 547 1912 426 UUNET - Commercial IP service 3215 405 1956 93 France Telecom Transpac 24863 368 42 13 LINKdotNET AS number 3301 313 1200 297 TeliaNet Sweden 3320 307 5016 248 Deutsche Telekom AG 8220 275 470 262 COLT Telecommunications 680 251 2041 247 DFN-IP service G-WiN 6746 250 92 227 Dynamic Network Technologies, 1257 246 740 170 SWIPnet Swedish IP Network 5089 243 1657 52 NTL Group Limited 3246 230 469 217 Song Networks 8708 222 279 209 Romania Data Systems S.A. 9116 222 134 23 Goldenlines main autonomous s 8551 215 198 27 Bezeq International 3269 206 2341 74 TELECOM ITALIA 30890 206 18 79 SC Kappa Invexim SRL 6830 201 879 43 UPC Distribution Services 5416 189 13 9 BATELCO-BH 12715 189 82 25 Jazz Telecom S.A. 3300 180 171 95 AUCS Communications Services ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 4897 6720 767 UUNET Technologies, Inc. 7018 1552 6201 992 AT&T WorldNet Services 705 1447 556 643 UUNET Technologies, Inc. 2386 1111 612 738 AT&T Data Communications Serv 4323 1029 786 290 Time Warner Telecom 6197 1017 586 510 BellSouth Network Solutions, 18566 969 272 8 Covad Communications 174 965 6824 889 Cogent Communications 721 962 21925 307 DLA Systems Automation Center 1239 847 2748 591 Sprint 7046 829 252 677 UUNET Technologies, Inc. 11492 784 96 17 Cable One 19262 779 2430 180 Verizon Global Networks 20115 753 679 402 Charter Communications 22773 717 1744 46 Cox Communications, Inc. 209 704 3761 554 Qwest 7011 685 208 426 Citizens Utilities 852 605 1071 388 Telus Advanced Communications 19916 565 49 54 OLM LLC 6478 541 1325 340 AT&T Worldnet Services Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1252 1007 CHINANET-BACKBONE 18566 969 961 Covad Communications 4755 1015 952 Videsh Sanchar Nigam Ltd. Aut 9583 955 940 Sify Limited 705 1447 804 UUNET Technologies, Inc. 9498 872 803 BHARTI BT INTERNET LTD. 11492 784 767 Cable One 4323 1029 739 Time Warner Telecom 22773 717 671 Cox Communications, Inc. 721 962 655 DLA Systems Automation Center 4538 672 638 China Education and Research 19262 779 599 Verizon Global Networks 7018 1552 560 AT&T WorldNet Services 8151 752 535 UniNet S.A. de C.V. 17488 547 532 Hathway IP Over Cable Interne 5668 540 522 CenturyTel Internet Holdings, 19916 565 511 OLM LLC 6197 1017 507 BellSouth Network Solutions, 11830 480 471 Instituto Costarricense de El 7545 544 470 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 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 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 192.0.2.0/24 812 Rogers WAVE 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 103.195.3.24/29 2529 Demon Internet 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 192.84.205.0/24 719 LANLINK autonomous system 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 /11:29 /12:109 /13:227 /14:392 /15:793 /16:9108 /17:3580 /18:5860 /19:12874 /20:14489 /21:12972 /22:16549 /23:18045 /24:115316 /25:740 /26:624 /27:464 /28:250 /29:202 /30:540 /31:3 /32:95 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 3648 4897 UUNET Technologies, Inc. 18566 952 969 Covad Communications 705 908 1447 UUNET Technologies, Inc. 2386 822 1111 AT&T Data Communications Serv 7018 819 1552 AT&T WorldNet Services 6197 800 1017 BellSouth Network Solutions, 9583 783 955 Sify Limited 11492 770 784 Cable One 23577 766 780 KRNIC 7011 593 685 Citizens Utilities 7046 578 829 UUNET Technologies, Inc. 19916 559 565 OLM LLC 4766 549 739 Korea Telecom (KIX) 9498 524 872 BHARTI BT INTERNET LTD. 15270 451 482 PaeTec.net -a division of Pae 4755 446 1015 Videsh Sanchar Nigam Ltd. Aut 855 434 539 Canadian Research Network 5668 421 540 CenturyTel Internet Holdings, 1239 419 847 Sprint 17849 416 430 Telecommunications Technology Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 6:1 8:56 12:1658 13:1 15:16 16:3 17:3 18:4 20:38 24:832 25:1 32:177 38:262 40:57 41:17 44:1 47:7 52:4 53:1 55:1 56:3 57:53 58:262 59:332 60:221 61:966 62:1187 63:3373 64:3254 65:3649 66:3157 67:674 68:658 69:1689 70:410 71:109 72:998 74:95 75:9 80:868 81:708 82:644 83:388 84:460 85:701 86:426 87:428 88:245 89:536 91:35 121:58 122:19 124:439 125:686 128:286 129:205 130:123 131:315 132:35 133:10 134:167 135:50 136:178 137:114 138:207 139:99 140:527 141:132 142:369 143:189 144:243 145:43 146:322 147:144 148:372 149:178 150:116 151:119 152:81 153:122 154:6 155:259 156:155 157:154 158:152 159:172 160:97 161:90 162:214 163:172 164:283 165:236 166:243 167:264 168:484 169:124 170:387 171:11 172:1 189:2 190:261 192:5847 193:3568 194:2817 195:2241 196:941 198:4049 199:3398 200:4569 201:947 202:7142 203:7194 204:4088 205:2236 206:2661 207:3238 208:3049 209:3693 210:2232 211:991 212:1411 213:1514 214:377 215:39 216:4259 217:1355 218:361 219:295 220:786 221:377 222:240 End of report