Routing Table Report 00:00 GMT Sat 28 Jul, 2007
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/oix-data/2007/07/28
Analysis Summary ----------------
BGP routing table entries examined: 231350 Prefixes after maximum aggregation: 120598 Deaggregation factor: 1.92 Unique aggregates announced to Internet: 110262 Total ASes present in the Internet Routing Table: 25835 Prefixes per ASN: 8.95 Origin-only ASes present in the Internet Routing Table: 22458 Origin ASes announcing only one prefix: 10925 Transit ASes present in the Internet Routing Table: 3377 Transit-only ASes present in the Internet Routing Table: 82 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 29 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 86 Unregistered ASNs in the Routing Table: 61 Prefixes from 32-bit ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1741360900 Equivalent to 103 /8s, 203 /16s and 15 /24s Percentage of available address space announced: 47.0 Percentage of allocated address space announced: 62.3 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 122704
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 54379 Total APNIC prefixes after maximum aggregation: 20918 APNIC Deaggregation factor: 2.60 Prefixes being announced from the APNIC address blocks: 51195 Unique aggregates announced from the APNIC address blocks: 22004 APNIC Region origin ASes present in the Internet Routing Table: 3029 APNIC Prefixes per ASN: 16.90 APNIC Region origin ASes announcing only one prefix: 813 APNIC Region transit ASes present in the Internet Routing Table: 463 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 305636284 Equivalent to 18 /8s, 55 /16s and 163 /24s Percentage of available APNIC address space announced: 75.7
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, 116/6, 120/6, 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: 109570 Total ARIN prefixes after maximum aggregation: 62969 ARIN Deaggregation factor: 1.74 Prefixes being announced from the ARIN address blocks: 80348 Unique aggregates announced from the ARIN address blocks: 31409 ARIN Region origin ASes present in the Internet Routing Table: 11715 ARIN Prefixes per ASN: 6.86 ARIN Region origin ASes announcing only one prefix: 4507 ARIN Region transit ASes present in the Internet Routing Table: 1106 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 341170272 Equivalent to 20 /8s, 85 /16s and 216 /24s Percentage of available ARIN address space announced: 75.3
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: 49040 Total RIPE prefixes after maximum aggregation: 31293 RIPE Deaggregation factor: 1.57 Prefixes being announced from the RIPE address blocks: 45476 Unique aggregates announced from the RIPE address blocks: 29075 RIPE Region origin ASes present in the Internet Routing Table: 9971 RIPE Prefixes per ASN: 4.56 RIPE Region origin ASes announcing only one prefix: 5271 RIPE Region transit ASes present in the Internet Routing Table: 1588 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 322793024 Equivalent to 19 /8s, 61 /16s and 110 /24s Percentage of available RIPE address space announced: 80.2
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 40960-44031 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 15653 Total LACNIC prefixes after maximum aggregation: 4343 LACNIC Deaggregation factor: 3.60 Prefixes being announced from the LACNIC address blocks: 13702 Unique aggregates announced from the LACNIC address blocks: 7724 LACNIC Region origin ASes present in the Internet Routing Table: 835 LACNIC Prefixes per ASN: 16.41 LACNIC Region origin ASes announcing only one prefix: 270 LACNIC Region transit ASes present in the Internet Routing Table: 141 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC addresses announced to Internet: 40909824 Equivalent to 2 /8s, 112 /16s and 60 /24s Percentage of available LACNIC address space announced: 61.0
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: 2664 Total AfriNIC prefixes after maximum aggregation: 1065 AfriNIC Deaggregation factor: 2.50 Prefixes being announced from the AfriNIC address blocks: 2190 Unique aggregates announced from the AfriNIC address blocks: 1282 AfriNIC Region origin ASes present in the Internet Routing Table: 202 AfriNIC Prefixes per ASN: 10.84 AfriNIC Region origin ASes announcing only one prefix: 64 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 6369024 Equivalent to 0 /8s, 97 /16s and 47 /24s Percentage of available AfriNIC address space announced: 19.0
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 1363 10954 288 CHINANET-BACKBONE 4755 1305 382 71 Videsh Sanchar Nigam Ltd. Aut 9583 1120 80 401 Sify Limited 9498 1001 533 70 BHARTI BT INTERNET LTD. 23577 928 34 795 Korea Telecom (ATM-MPLS) 4766 793 4930 316 Korea Telecom (KIX) 17488 734 48 58 Hathway IP Over Cable Interne 7545 700 150 112 TPG Internet Pty Ltd 1221 592 1951 436 Telstra Pty Ltd 18101 577 117 41 Reliance Infocom Ltd Internet 4812 528 913 95 China Telecom (Shanghai) 4668 512 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 488 218 267 SingTel Optus Pty Ltd 9443 472 122 78 Primus Telecommunications 9942 440 77 113 COMindico Australia 4802 412 105 150 Wantree Development 4808 374 669 127 CNCGROUP IP network: China169 9829 362 258 14 BSNL National Internet Backbo 17974 362 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 1117 933 687 Telenor Internet Access 702 503 1922 404 UUNET - Commercial IP service 5089 368 1658 53 NTL Group Limited 24863 360 56 40 LINKdotNET AS number 9116 321 168 25 Goldenlines main autonomous s 8551 314 311 49 Bezeq International 3301 312 1456 292 TeliaNet Sweden 3320 311 6035 257 Deutsche Telekom AG 6746 285 129 261 Dynamic Network Technologies, 680 264 2044 255 DFN-IP service G-WiN 8220 259 444 242 COLT Telecommunications 3215 255 2376 96 France Telecom Transpac 8708 251 420 240 Romania Data Systems S.A. 3352 224 1864 41 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 9121 210 1441 24 TTnet Autonomous System 1257 206 1179 171 SWIPnet Swedish IP Network 3292 194 1379 174 TDC Tele Danmark 3300 192 172 93 AUCS Communications Services 12479 191 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1475 10177 1000 AT&T WorldNet Services 4323 1318 1021 371 Time Warner Telecom 2386 1215 633 754 AT&T Data Communications Serv 6478 1119 319 133 AT&T Worldnet Services 11492 1107 108 20 Cable One 6197 1026 717 508 BellSouth Network Solutions, 18566 1016 288 9 Covad Communications 174 967 6778 853 Cogent Communications 701 931 6559 708 UUNET Technologies, Inc. 7011 901 258 545 Citizens Utilities 1239 809 2726 583 Sprint 20115 803 737 431 Charter Communications 19262 760 2728 184 Verizon Global Networks 209 754 3877 598 Qwest 22773 748 2148 49 Cox Communications, Inc. 577 682 811 205 Bell Advanced Communications 5668 619 169 21 CenturyTel Internet Holdings, 852 587 1093 364 Telus Advanced Communications 855 575 254 73 Canadian Research Network 6517 571 159 37 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1305 1234 Videsh Sanchar Nigam Ltd. Aut 11492 1107 1087 Cable One 4134 1363 1075 CHINANET-BACKBONE 18566 1016 1007 Covad Communications 6478 1119 986 AT&T Worldnet Services 4323 1318 947 Time Warner Telecom 9498 1001 931 BHARTI BT INTERNET LTD. 9583 1120 719 Sify Limited 22773 748 699 Cox Communications, Inc. 8151 893 684 UniNet S.A. de C.V. 17488 734 676 Hathway IP Over Cable Interne 5668 619 598 CenturyTel Internet Holdings, 7545 700 588 TPG Internet Pty Ltd 19262 760 576 Verizon Global Networks 18101 577 536 Reliance Infocom Ltd Internet 6517 571 534 Yipes Communications, Inc. 15270 562 525 PaeTec.net -a division of Pae 6197 1026 518 BellSouth Network Solutions, 19916 568 517 OLM LLC 855 575 502 Canadian Research Network
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat 47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc. 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 34074 UNALLOCATED 77.77.152.0/24 8390 Global One Communica 43346 UNALLOCATED 77.87.168.0/21 28906 CJSC "TransTelecom-N 43087 UNALLOCATED 77.95.88.0/21 12389 JSC Rostelecom 43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net 42864 UNALLOCATED 77.242.144.0/20 8928 Interoute Telecommun 43082 UNALLOCATED 77.246.160.0/20 174 Cogent Communication 43345 UNALLOCATED 78.40.40.0/24 702 UUNET - Commercial I 43328 UNALLOCATED 78.40.112.0/21 21448 Crosswired Mancheste 43391 UNALLOCATED 78.40.224.0/21 9121 TTnet Autonomous Sys 43203 UNALLOCATED 78.108.152.0/22 2819 KPNQwest Czechia AS 43314 UNALLOCATED 78.109.128.0/20 21127 JSC Zap-Sib TransTel 39389 UNALLOCATED 80.67.165.0/24 20766 The main Autonomous 43157 UNALLOCATED 83.143.224.0/21 174 Cogent Communication 24982 UNALLOCATED 85.112.68.0/24 39010 TerraNet sal 43378 UNALLOCATED 89.45.176.0/20 5606 KPNQwest Romania AS 43286 UNALLOCATED 91.149.120.0/22 3216 Teleross, Moscow, Ru 42883 UNALLOCATED 91.193.204.0/22 6849 JSC UKRTELECOM, 42976 UNALLOCATED 91.194.4.0/24 8551 Bezeq International 39389 UNALLOCATED 91.194.60.0/23 20766 The main Autonomous 43103 UNALLOCATED 91.194.72.0/23 21219 Datacom Autonomous S 43285 UNALLOCATED 91.194.170.0/23 25577 C4L main AS 43290 UNALLOCATED 91.194.198.0/23 20751 max4eu.net InterNet- 43294 UNALLOCATED 91.194.200.0/23 33909 RIALNET Ltd. 43376 UNALLOCATED 91.194.234.0/23 2914 Verio, Inc. 43103 UNALLOCATED 91.196.92.0/22 21219 Datacom Autonomous S 43319 UNALLOCATED 91.197.8.0/22 12452 VSTN AS 43359 UNALLOCATED 91.197.36.0/22 25441 Irish Broadband Inte 43164 UNALLOCATED 91.198.0.0/24 16016 VOLJATEL Autonomous 43194 UNALLOCATED 91.198.5.0/24 5486 Euronet Digital Comm 43187 UNALLOCATED 91.198.7.0/24 3340 DataNet Telecommunic 43212 UNALLOCATED 91.198.19.0/24 21294 SC Idilis S.A. 38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE 38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65500 PRIVATE 192.239.84.0/24 10886 University of Maryla 42512 UNALLOCATED 193.110.76.0/22 13121 Navigator Online ISP 43028 UNALLOCATED 193.200.201.0/24 21016 LVRTC Autonomous Sys 43034 UNALLOCATED 193.200.207.0/24 9119 Softnet 35396 UNALLOCATED 193.247.0.0/19 6730 sunrise (TDC Switzer 43122 UNALLOCATED 194.110.128.0/24 8220 COLT Telecommunicati 42752 UNALLOCATED 194.110.150.0/24 9121 TTnet Autonomous Sys 42795 UNALLOCATED 194.110.245.0/24 174 Cogent Communication 64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In 64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In 64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In 64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In 41431 UNALLOCATED 194.246.85.0/24 12843 TelemaxX Autonomous 64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In 64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In 64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In 64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In 64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In 64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In 65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In 39094 UNALLOCATED 195.66.64.0/24 12578 LATTELEKOM-APOLLO 64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In 65001 PRIVATE 195.250.120.0/23 8534 InfoSky - Informatik 65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw 65000 PRIVATE 199.133.62.0/24 10886 University of Maryla 65000 PRIVATE 199.133.63.0/24 10886 University of Maryla 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 64588 PRIVATE 207.107.179.0/24 2491 fONOROLA 64516 PRIVATE 209.43.37.0/24 7332 IQuest Internet 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So 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 37956 UNALLOCATED 221.123.16.0/24 38440 Mobileclusters Ltd 37956 UNALLOCATED 221.123.17.0/24 38440 Mobileclusters Ltd 37956 UNALLOCATED 221.123.18.0/24 38440 Mobileclusters Ltd
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 192.0.2.0/24 812 Rogers WAVE
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 7.1.1.0/24 1239 Sprint 95.192.0.0/16 12654 RIPE NCC RIS Project 95.255.248.0/21 12654 RIPE NCC RIS Project 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 192.153.136.0/21 721 DLA Systems Automation Center 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 /8:18 /9:9 /10:15 /11:36 /12:130 /13:260 /14:470 /15:910 /16:9596 /17:4113 /18:6613 /19:13908 /20:16368 /21:14760 /22:19310 /23:20362 /24:120658 /25:1036 /26:1347 /27:576 /28:263 /29:188 /30:298 /31:9 /32:97
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1118 1119 AT&T Worldnet Services 11492 1098 1107 Cable One 2119 1005 1117 Telenor Internet Access 18566 998 1016 Covad Communications 9583 962 1120 Sify Limited 23577 919 928 Korea Telecom (ATM-MPLS) 2386 910 1215 AT&T Data Communications Serv 7018 800 1475 AT&T WorldNet Services 7011 799 901 Citizens Utilities 6197 780 1026 BellSouth Network Solutions, 4755 697 1305 Videsh Sanchar Nigam Ltd. Aut 9498 671 1001 BHARTI BT INTERNET LTD. 4766 593 793 Korea Telecom (KIX) 19916 563 568 OLM LLC 17488 557 734 Hathway IP Over Cable Interne 4323 554 1318 Time Warner Telecom 6517 536 571 Yipes Communications, Inc. 15270 527 562 PaeTec.net -a division of Pae 4668 502 512 LG-EDS Systems Inc. 18101 489 577 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:85 9:1 12:1831 15:19 16:3 17:3 18:12 20:37 24:949 25:1 32:167 33:3 38:337 40:60 41:221 43:6 44:2 47:4 52:4 55:3 56:3 57:50 58:473 59:383 60:344 61:1006 62:943 63:1992 64:3172 65:2432 66:3329 67:759 68:629 69:1934 70:451 71:114 72:1367 73:2 74:586 75:294 76:83 77:262 78:22 80:836 81:827 82:721 83:384 84:549 85:871 86:341 87:463 88:284 89:942 90:12 91:439 97:6 98:3 116:265 117:82 121:250 122:585 123:132 124:884 125:962 128:291 129:213 130:139 131:364 132:54 133:9 134:193 135:38 136:177 137:85 138:156 139:121 140:496 141:172 142:396 143:253 144:289 145:45 146:325 147:121 148:400 149:144 150:112 151:160 152:87 153:123 154:3 155:257 156:157 157:214 158:158 159:171 160:104 161:97 162:210 163:182 164:471 165:385 166:286 167:290 168:510 169:120 170:410 171:23 172:1 189:64 190:758 192:5807 193:3937 194:3198 195:2301 196:1000 198:3885 199:3295 200:4949 201:1112 202:7478 203:7627 204:3982 205:2016 206:2474 207:2907 208:2748 209:3525 210:2436 211:1008 212:1278 213:1540 214:416 215:40 216:3994 217:1168 218:378 219:392 220:1024 221:418 222:266
End of report
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Routing Analysis Role Account