Routing Table Report 00:00 GMT Fri 29 Dec, 2006
Analysis Summary ----------------
BGP routing table entries examined: 216262 Prefixes after maximum aggregation: 113724 Unique aggregates announced to Internet: 100336 Total ASes present in the Internet Routing Table: 24053 Origin-only ASes present in the Internet Routing Table: 20944 Origin ASes announcing only one prefix: 10070 Transit ASes present in the Internet Routing Table: 3109 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 31 Max AS path prepend of ASN (32609) 16 Prefixes from unregistered ASNs in the Routing Table: 36 Unregistered ASNs in the Routing Table: 20 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1650280968 Equivalent to 98 /8s, 93 /16s and 74 /24s Percentage of available address space announced: 44.5 Percentage of allocated address space announced: 63.2 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 112669
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46527 Total APNIC prefixes after maximum aggregation: 18672 Prefixes being announced from the APNIC address blocks: 44050 Unique aggregates announced from the APNIC address blocks: 19018 APNIC Region origin ASes present in the Internet Routing Table: 2796 APNIC Region origin ASes announcing only one prefix: 778 APNIC Region transit ASes present in the Internet Routing Table: 417 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 272901632 Equivalent to 16 /8s, 68 /16s and 38 /24s Percentage of available APNIC address space announced: 85.3
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: 109497 Total ARIN prefixes after maximum aggregation: 61832 Prefixes being announced from the ARIN address blocks: 81612 Unique aggregates announced from the ARIN address blocks: 28696 ARIN Region origin ASes present in the Internet Routing Table: 11251 ARIN Region origin ASes announcing only one prefix: 4286 ARIN Region transit ASes present in the Internet Routing Table: 1027 Average ARIN Region AS path length visible: 3.1 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 311554784 Equivalent to 18 /8s, 145 /16s and 242 /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: 44057 Total RIPE prefixes after maximum aggregation: 28283 Prefixes being announced from the RIPE address blocks: 41044 Unique aggregates announced from the RIPE address blocks: 26458 RIPE Region origin ASes present in the Internet Routing Table: 9009 RIPE Region origin ASes announcing only one prefix: 4703 RIPE Region transit ASes present in the Internet Routing Table: 1464 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 283346080 Equivalent to 16 /8s, 227 /16s and 132 /24s Percentage of available RIPE address space announced: 76.8
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: 13527 Total LACNIC prefixes after maximum aggregation: 3966 Prefixes being announced from the LACNIC address blocks: 11580 Unique aggregates announced from the LACNIC address blocks: 6764 LACNIC Region origin ASes present in the Internet Routing Table: 754 LACNIC Region origin ASes announcing only one prefix: 250 LACNIC Region transit ASes present in the Internet Routing Table: 134 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 36000000 Equivalent to 2 /8s, 37 /16s and 81 /24s Percentage of available LACNIC address space announced: 53.6
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: 2619 Total AfriNIC prefixes after maximum aggregation: 971 Prefixes being announced from the AfriNIC address blocks: 1870 Unique aggregates announced from the AfriNIC address blocks: 1069 AfriNIC Region origin ASes present in the Internet Routing Table: 172 AfriNIC Region origin ASes announcing only one prefix: 53 AfriNIC Region transit ASes present in the Internet Routing Table: 28 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5328128 Equivalent to 0 /8s, 81 /16s and 77 /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 1251 8609 260 CHINANET-BACKBONE 4755 1070 384 68 Videsh Sanchar Nigam Ltd. Aut 9583 1051 109 16 Sify Limited 9498 893 211 63 BHARTI BT INTERNET LTD. 23577 772 34 701 KRNIC 4766 752 4945 306 Korea Telecom (KIX) 1221 612 1714 455 Telstra Pty Ltd 17488 565 35 21 Hathway IP Over Cable Interne 7545 554 126 74 TPG Internet Pty Ltd 17676 503 10935 66 Softbank BB Corp. 18101 492 87 27 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 409 86 148 Wantree Development 7474 382 211 237 SingTel Optus Pty Ltd 17974 371 119 26 PT TELEKOMUNIKASI INDONESIA 17557 366 35 170 Pakistan Telecom 2907 336 1749 311 SINET Japan
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1912 425 UUNET - Commercial IP service 3215 390 2104 96 France Telecom Transpac 24863 386 45 16 LINKdotNET AS number 3301 310 1199 292 TeliaNet Sweden 3320 300 4994 248 Deutsche Telekom AG 8220 274 474 264 COLT Telecommunications 6746 264 93 242 Dynamic Network Technologies, 680 253 2041 248 DFN-IP service G-WiN 1257 249 1069 172 SWIPnet Swedish IP Network 5089 244 1657 52 NTL Group Limited 8708 231 282 218 Romania Data Systems S.A. 9116 231 134 23 Goldenlines main autonomous s 3269 210 2373 73 TELECOM ITALIA 30890 208 19 90 SC Kappa Invexim SRL 5416 206 13 9 BATELCO-BH 3246 205 353 192 Song Networks 8551 199 197 24 Bezeq International 3300 188 172 101 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 4868 6691 762 UUNET Technologies, Inc. 7018 1550 10269 1004 AT&T WorldNet Services 705 1407 553 610 UUNET Technologies, Inc. 2386 1111 587 735 AT&T Data Communications Serv 4323 1057 820 298 Time Warner Telecom 6197 1018 636 498 BellSouth Network Solutions, 18566 983 272 8 Covad Communications 174 958 6791 871 Cogent Communications 11492 863 98 13 Cable One 1239 815 2713 571 Sprint 19262 804 2496 181 Verizon Global Networks 7046 801 251 656 UUNET Technologies, Inc. 721 780 21901 293 DLA Systems Automation Center 20115 767 667 406 Charter Communications 209 712 3763 559 Qwest 22773 711 1744 40 Cox Communications, Inc. 7011 686 211 431 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 9583 1051 1035 Sify Limited 4755 1070 1002 Videsh Sanchar Nigam Ltd. Aut 4134 1251 991 CHINANET-BACKBONE 18566 983 975 Covad Communications 11492 863 850 Cable One 9498 893 830 BHARTI BT INTERNET LTD. 705 1407 797 UUNET Technologies, Inc. 4323 1057 759 Time Warner Telecom 22773 711 671 Cox Communications, Inc. 19262 804 623 Verizon Global Networks 8151 816 613 UniNet S.A. de C.V. 7018 1550 546 AT&T WorldNet Services 17488 565 544 Hathway IP Over Cable Interne 5668 548 529 CenturyTel Internet Holdings, 6197 1018 520 BellSouth Network Solutions, 19916 567 510 OLM LLC 11830 504 495 Instituto Costarricense de El 721 780 487 DLA Systems Automation Center 7545 554 480 TPG Internet Pty Ltd 855 538 465 Canadian Research Network
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 64513 PRIVATE 164.78.0.0/17 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.0.0/16 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.128.0/17 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.247.0/24 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.248.0/24 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.249.0/24 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.252.0/24 7610 SINGAPORE ADVANCE RE 65422 PRIVATE 193.227.230.8/29 35731 Network Technology S 65414 PRIVATE 193.227.230.24/30 35731 Network Technology S 65422 PRIVATE 193.227.230.56/30 35731 Network Technology S 65418 PRIVATE 193.227.230.64/28 35731 Network Technology S 65420 PRIVATE 193.227.230.83/32 35731 Network Technology S 65420 PRIVATE 193.227.230.89/32 35731 Network Technology S 65413 PRIVATE 193.227.230.103/32 35731 Network Technology S 65420 PRIVATE 193.227.230.168/30 35731 Network Technology S 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 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 /12:116 /13:240 /14:410 /15:801 /16:9133 /17:3686 /18:6037 /19:13123 /20:14776 /21:13216 /22:16985 /23:18444 /24:116557 /25:731 /26:532 /27:450 /28:196 /29:153 /30:494 /31:0 /32:109
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3624 4868 UUNET Technologies, Inc. 18566 966 983 Covad Communications 9583 877 1051 Sify Limited 705 870 1407 UUNET Technologies, Inc. 11492 849 863 Cable One 7018 834 1550 AT&T WorldNet Services 2386 829 1111 AT&T Data Communications Serv 6197 794 1018 BellSouth Network Solutions, 23577 758 772 KRNIC 7011 591 686 Citizens Utilities 19916 562 567 OLM LLC 4766 561 752 Korea Telecom (KIX) 7046 558 801 UUNET Technologies, Inc. 9498 557 893 BHARTI BT INTERNET LTD. 4755 487 1070 Videsh Sanchar Nigam Ltd. Aut 15270 446 477 PaeTec.net -a division of Pae 855 435 538 Canadian Research Network 18101 426 492 Reliance Infocom Ltd Internet 5668 420 548 CenturyTel Internet Holdings, 1239 397 815 Sprint
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:61 9:1 12:1669 13:1 15:15 16:3 17:3 18:5 20:35 24:859 25:1 32:176 38:274 40:57 41:56 44:2 47:10 52:4 53:1 55:1 56:3 57:52 58:281 59:350 60:221 61:996 62:1194 63:3335 64:3300 65:3630 66:3183 67:711 68:657 69:1710 70:405 71:130 72:1105 74:122 75:49 76:16 80:837 81:763 82:706 83:395 84:484 85:784 86:405 87:458 88:257 89:714 90:1 91:100 97:1 121:113 122:48 123:24 124:506 125:737 128:304 129:218 130:133 131:316 132:49 133:11 134:177 135:43 136:179 137:115 138:189 139:103 140:529 141:131 142:368 143:213 144:263 145:67 146:314 147:144 148:364 149:174 150:111 151:117 152:90 153:118 154:6 155:247 156:150 157:155 158:166 159:139 160:99 161:97 162:223 163:160 164:283 165:237 166:242 167:282 168:484 169:123 170:376 171:12 172:1 189:29 190:310 192:5783 193:3638 194:2931 195:2307 196:1005 198:3926 199:3354 200:4576 201:939 202:7006 203:7259 204:4115 205:2211 206:2663 207:3157 208:3079 209:3719 210:2272 211:929 212:1380 213:1503 214:384 215:39 216:4257 217:1333 218:362 219:258 220:837 221:382 222:266
End of report
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Routing Analysis Role Account