Routing Table Report 00:00 GMT Tue 31 Oct, 2006 Analysis Summary ---------------- BGP routing table entries examined: 212436 Prefixes after maximum aggregation: 111558 Unique aggregates announced to Internet: 97390 Total ASes present in the Internet Routing Table: 23592 Origin-only ASes present in the Internet Routing Table: 20407 Origin ASes announcing only one prefix: 9861 Transit ASes present in the Internet Routing Table: 3185 Transit-only ASes present in the Internet Routing Table: 83 Average AS path length visible in the Internet Routing Table: 4.1 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: 13 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1624735536 Equivalent to 96 /8s, 215 /16s and 127 /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: 109443 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 46247 Total APNIC prefixes after maximum aggregation: 18386 Prefixes being announced from the APNIC address blocks: 43750 Unique aggregates announced from the APNIC address blocks: 18509 APNIC Region origin ASes present in the Internet Routing Table: 2757 APNIC Region origin ASes announcing only one prefix: 763 APNIC Region transit ASes present in the Internet Routing Table: 430 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 265148944 Equivalent to 15 /8s, 205 /16s and 218 /24s Percentage of available APNIC address space announced: 82.9 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: 108948 Total ARIN prefixes after maximum aggregation: 61214 Prefixes being announced from the ARIN address blocks: 81015 Unique aggregates announced from the ARIN address blocks: 28104 ARIN Region origin ASes present in the Internet Routing Table: 11126 ARIN Region origin ASes announcing only one prefix: 4222 ARIN Region transit ASes present in the Internet Routing Table: 1096 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 30 Number of ARIN addresses announced to Internet: 308005888 Equivalent to 18 /8s, 91 /16s and 204 /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: 41767 Total RIPE prefixes after maximum aggregation: 27172 Prefixes being announced from the RIPE address blocks: 38767 Unique aggregates announced from the RIPE address blocks: 25104 RIPE Region origin ASes present in the Internet Routing Table: 8714 RIPE Region origin ASes announcing only one prefix: 4583 RIPE Region transit ASes present in the Internet Routing Table: 1455 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 270641600 Equivalent to 16 /8s, 33 /16s and 169 /24s Percentage of available RIPE address space announced: 73.3 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: 13108 Total LACNIC prefixes after maximum aggregation: 3831 Prefixes being announced from the LACNIC address blocks: 11095 Unique aggregates announced from the LACNIC address blocks: 6428 LACNIC Region origin ASes present in the Internet Routing Table: 746 LACNIC Region origin ASes announcing only one prefix: 243 LACNIC Region transit ASes present in the Internet Routing Table: 130 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 33817344 Equivalent to 2 /8s, 4 /16s and 3 /24s Percentage of available LACNIC address space announced: 50.4 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: 2346 Total AfriNIC prefixes after maximum aggregation: 955 Prefixes being announced from the AfriNIC address blocks: 1707 Unique aggregates announced from the AfriNIC address blocks: 984 AfriNIC Region origin ASes present in the Internet Routing Table: 166 AfriNIC Region origin ASes announcing only one prefix: 50 AfriNIC Region transit ASes present in the Internet Routing Table: 28 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 4333328 Equivalent to 0 /8s, 66 /16s and 31 /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 1013 383 63 Videsh Sanchar Nigam Ltd. Aut 9583 953 109 15 Sify Limited 9498 862 212 64 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 7545 544 124 74 TPG Internet Pty Ltd 17488 540 34 21 Hathway IP Over Cable Interne 17676 500 10934 64 Softbank BB Corp. 18101 465 86 21 Reliance Infocom Ltd Internet 9443 454 111 74 Primus Telecommunications 4812 439 745 61 China Telecom (Shanghai) 9942 431 76 124 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 364 129 12 PT TELEKOMUNIKASI INDONESIA RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 547 1913 426 UUNET - Commercial IP service 3215 405 1956 93 France Telecom Transpac 24863 367 42 13 LINKdotNET AS number 3301 315 1200 299 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 244 1657 52 NTL Group Limited 3246 231 469 218 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 97 AUCS Communications Services ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 4914 6720 769 UUNET Technologies, Inc. 7018 1542 6201 994 AT&T WorldNet Services 705 1449 557 644 UUNET Technologies, Inc. 2386 1110 612 736 AT&T Data Communications Serv 4323 1029 786 290 Time Warner Telecom 6197 1017 612 500 BellSouth Network Solutions, 18566 969 272 8 Covad Communications 174 965 6824 889 Cogent Communications 721 963 21925 307 DLA Systems Automation Center 1239 846 2748 591 Sprint 7046 824 252 673 UUNET Technologies, Inc. 11492 783 96 17 Cable One 19262 779 2430 180 Verizon Global Networks 20115 753 679 402 Charter Communications 22773 716 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 5668 540 145 18 CenturyTel Internet Holdings, Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1252 1007 CHINANET-BACKBONE 18566 969 961 Covad Communications 4755 1013 950 Videsh Sanchar Nigam Ltd. Aut 9583 953 938 Sify Limited 705 1449 805 UUNET Technologies, Inc. 9498 862 798 BHARTI BT INTERNET LTD. 11492 783 766 Cable One 4323 1029 739 Time Warner Telecom 22773 716 670 Cox Communications, Inc. 721 963 656 DLA Systems Automation Center 4538 672 638 China Education and Research 19262 779 599 Verizon Global Networks 7018 1542 548 AT&T WorldNet Services 8151 752 535 UniNet S.A. de C.V. 5668 540 522 CenturyTel Internet Holdings, 17488 540 519 Hathway IP Over Cable Interne 6197 1017 517 BellSouth Network Solutions, 19916 565 511 OLM LLC 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 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 192.84.205.0/24 719 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 /15:792 /16:9117 /17:3591 /18:5883 /19:12872 /20:14488 /21:12958 /22:16476 /23:17954 /24:114707 /25:740 /26:615 /27:449 /28:197 /29:171 /30:531 /31:3 /32:92 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 3654 4914 UUNET Technologies, Inc. 18566 952 969 Covad Communications 705 910 1449 UUNET Technologies, Inc. 2386 823 1110 AT&T Data Communications Serv 7018 811 1542 AT&T WorldNet Services 6197 798 1017 BellSouth Network Solutions, 9583 781 953 Sify Limited 11492 769 783 Cable One 23577 766 780 KRNIC 7011 593 685 Citizens Utilities 7046 574 824 UUNET Technologies, Inc. 19916 559 565 OLM LLC 4766 549 739 Korea Telecom (KIX) 9498 521 862 BHARTI BT INTERNET LTD. 15270 451 482 PaeTec.net -a division of Pae 4755 444 1013 Videsh Sanchar Nigam Ltd. Aut 855 434 539 Canadian Research Network 5668 421 540 CenturyTel Internet Holdings, 1239 419 846 Sprint 17849 416 430 Telecommunications Technology Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:7 6:1 8:56 12:1660 13:1 15:16 16:3 17:3 18:4 20:38 24:834 25:1 32:177 38:262 40:57 41:15 44:1 47:7 52:4 53:1 55:1 56:3 57:53 58:259 59:331 60:203 61:964 62:1168 63:3371 64:3236 65:3628 66:3141 67:672 68:657 69:1686 70:409 71:109 72:995 74:95 75:9 80:856 81:680 82:576 83:340 84:406 85:614 86:428 87:331 88:233 89:513 91:28 121:58 122:18 124:437 125:680 128:286 129:203 130:123 131:316 132:35 133:10 134:167 135:50 136:178 137:114 138:207 139:99 140:529 141:132 142:368 143:193 144:243 145:43 146:322 147:144 148:374 149:178 150:116 151:119 152:81 153:122 154:6 155:259 156:155 157:165 158:152 159:172 160:100 161:89 162:215 163:178 164:283 165:236 166:242 167:256 168:484 169:128 170:387 171:11 172:1 189:4 190:260 192:5840 193:3543 194:2798 195:2212 196:937 198:4041 199:3400 200:4560 201:942 202:7174 203:7197 204:4082 205:2245 206:2657 207:3236 208:3061 209:3672 210:2234 211:990 212:1412 213:1523 214:377 215:38 216:4248 217:1352 218:362 219:295 220:792 221:376 222:240 End of report