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Routing Table Report 00:00 GMT Mon 08 Oct, 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/2007/10/08
Analysis Summary ----------------
BGP routing table entries examined: 240101 Prefixes after maximum aggregation: 122179 Deaggregation factor: 1.97 Unique aggregates announced to Internet: 113724 Total ASes present in the Internet Routing Table: 26432 Prefixes per ASN: 9.08 Origin-only ASes present in the Internet Routing Table: 22852 Origin ASes announcing only one prefix: 11160 Transit ASes present in the Internet Routing Table: 3580 Transit-only ASes present in the Internet Routing Table: 89 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 29 Max AS path prepend of ASN (23775) 25 Prefixes from unregistered ASNs in the Routing Table: 53 Unregistered ASNs in the Routing Table: 19 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1790209804 Equivalent to 106 /8s, 180 /16s and 111 /24s Percentage of available address space announced: 48.3 Percentage of allocated address space announced: 62.5 Percentage of available address space allocated: 77.3 Total number of prefixes smaller than registry allocations: 111081
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 57878 Total APNIC prefixes after maximum aggregation: 21285 APNIC Deaggregation factor: 2.72 Prefixes being announced from the APNIC address blocks: 54722 Unique aggregates announced from the APNIC address blocks: 22733 APNIC Region origin ASes present in the Internet Routing Table: 3072 APNIC Prefixes per ASN: 17.81 APNIC Region origin ASes announcing only one prefix: 809 APNIC Region transit ASes present in the Internet Routing Table: 477 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 29 Number of APNIC addresses announced to Internet: 320756980 Equivalent to 19 /8s, 30 /16s and 92 /24s Percentage of available APNIC address space announced: 79.5
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: 112145 Total ARIN prefixes after maximum aggregation: 63767 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 82564 Unique aggregates announced from the ARIN address blocks: 32186 ARIN Region origin ASes present in the Internet Routing Table: 11861 ARIN Prefixes per ASN: 6.96 ARIN Region origin ASes announcing only one prefix: 4537 ARIN Region transit ASes present in the Internet Routing Table: 1155 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 347078560 Equivalent to 20 /8s, 175 /16s and 255 /24s Percentage of available ARIN address space announced: 76.6
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: 50002 Total RIPE prefixes after maximum aggregation: 31517 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 46455 Unique aggregates announced from the RIPE address blocks: 30058 RIPE Region origin ASes present in the Internet Routing Table: 10327 RIPE Prefixes per ASN: 4.50 RIPE Region origin ASes announcing only one prefix: 5466 RIPE Region transit ASes present in the Internet Routing Table: 1694 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 330260544 Equivalent to 19 /8s, 175 /16s and 96 /24s Percentage of available RIPE address space announced: 75.7
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 40960-45055 RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 17227 Total LACNIC prefixes after maximum aggregation: 4535 LACNIC Deaggregation factor: 3.80 Prefixes being announced from the LACNIC address blocks: 15248 Unique aggregates announced from the LACNIC address blocks: 8471 LACNIC Region origin ASes present in the Internet Routing Table: 873 LACNIC Prefixes per ASN: 17.47 LACNIC Region origin ASes announcing only one prefix: 278 LACNIC Region transit ASes present in the Internet Routing Table: 150 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 43907840 Equivalent to 2 /8s, 157 /16s and 251 /24s Percentage of available LACNIC address space announced: 43.6
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 2788 Total AfriNIC prefixes after maximum aggregation: 1059 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 2361 Unique aggregates announced from the AfriNIC address blocks: 1382 AfriNIC Region origin ASes present in the Internet Routing Table: 209 AfriNIC Prefixes per ASN: 11.30 AfriNIC Region origin ASes announcing only one prefix: 70 AfriNIC Region transit ASes present in the Internet Routing Table: 35 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7531520 Equivalent to 0 /8s, 114 /16s and 236 /24s Percentage of available AfriNIC address space announced: 22.4
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 4538 2749 2974 36 China Education and Research 4755 1437 383 67 Videsh Sanchar Nigam Ltd. Aut 4134 1097 11500 298 CHINANET-BACKBONE 9498 1004 533 66 BHARTI BT INTERNET LTD. 9583 947 68 460 Sify Limited 23577 931 34 797 Korea Telecom (ATM-MPLS) 17488 824 53 65 Hathway IP Over Cable Interne 4766 809 5441 321 Korea Telecom (KIX) 7545 738 159 118 TPG Internet Pty Ltd 18101 606 119 51 Reliance Infocom Ltd Internet 1221 589 1950 434 Telstra Pty Ltd 4802 576 132 145 Wantree Development 4812 549 978 95 China Telecom (Shanghai) 9829 531 1313 10 BSNL National Internet Backbo 4668 517 68 10 LG-EDS Systems Inc. 17676 502 10903 63 Softbank BB Corp. 4808 489 789 117 CNCGROUP IP network: China169 9443 466 122 77 Primus Telecommunications 7474 457 218 269 SingTel Optus Pty Ltd 9942 420 74 110 COMindico Australia
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 474 1904 386 UUNET - Commercial IP service 24863 370 57 36 LINKdotNET AS number 8551 350 334 33 Bezeq International 9116 342 168 27 Goldenlines main autonomous s 3301 315 1441 292 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 6746 293 131 269 Dynamic Network Technologies, 1273 275 306 104 Cable & Wireless Deutschland 680 269 2045 257 DFN-IP service G-WiN 8708 263 421 242 Romania Data Systems S.A. 8866 263 62 22 Bulgarian Telecommunication C 3215 262 2480 100 France Telecom Transpac 8220 256 444 238 COLT Telecommunications 5089 236 1658 54 NTL Group Limited 3352 231 1898 40 Ibernet, Internet Access Netw 3269 223 2839 73 TELECOM ITALIA 9121 216 1442 25 TTnet Autonomous System 3300 209 172 100 AUCS Communications Services 1257 205 1195 169 SWIPnet Swedish IP Network 3292 195 1380 177 TDC Tele Danmark
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1482 10234 989 AT&T WorldNet Services 4323 1398 1006 362 Time Warner Telecom 2386 1228 621 750 AT&T Data Communications Serv 11492 1158 114 14 Cable One 6478 1125 329 141 AT&T Worldnet Services 6197 1032 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 969 6779 844 Cogent Communications 7011 944 287 559 Citizens Utilities 701 872 6573 678 UUNET Technologies, Inc. 20115 832 762 452 Charter Communications 1239 803 2720 561 Sprint 22773 794 2133 54 Cox Communications, Inc. 19262 779 2812 182 Verizon Global Networks 209 731 3826 577 Qwest 577 712 845 203 Bell Advanced Communications 3356 680 10820 370 Level 3 Communications, LLC 5668 655 176 23 CenturyTel Internet Holdings, 852 592 1093 358 Telus Advanced Communications 6517 588 165 36 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1437 1370 Videsh Sanchar Nigam Ltd. Aut 11492 1158 1144 Cable One 4323 1398 1036 Time Warner Telecom 18566 1028 1019 Covad Communications 6478 1125 984 AT&T Worldnet Services 9498 1004 938 BHARTI BT INTERNET LTD. 8151 1051 839 UniNet S.A. de C.V. 4134 1097 799 CHINANET-BACKBONE 17488 824 759 Hathway IP Over Cable Interne 22773 794 740 Cox Communications, Inc. 5668 655 632 CenturyTel Internet Holdings, 7545 738 620 TPG Internet Pty Ltd 19262 779 597 Verizon Global Networks 18101 606 555 Reliance Infocom Ltd Internet 6517 588 552 Yipes Communications, Inc. 15270 581 542 PaeTec.net -a division of Pae 6197 1032 524 BellSouth Network Solutions, 9829 531 521 BSNL National Internet Backbo 19916 568 517 OLM LLC 577 712 509 Bell Advanced Communications
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L 65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans 65010 PRIVATE 83.174.240.0/20 28812 BashInformSvyaz Auto 64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L 64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom 65500 PRIVATE 192.239.84.0/24 10886 University of Maryla 65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans 64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In 64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In 64532 PRIVATE 195.22.48.64/27 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 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 65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In 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 64631 PRIVATE 199.242.73.0/24 22472 Florida Supreme Cour 64631 PRIVATE 199.242.74.0/24 22472 Florida Supreme Cour 64631 PRIVATE 199.242.94.0/24 22472 Florida Supreme Cour 64631 PRIVATE 199.242.96.0/24 22472 Florida Supreme Cour 64631 PRIVATE 199.242.109.0/24 8103 Florida Department o 64631 PRIVATE 199.242.111.0/24 22472 Florida Supreme Cour 65000 PRIVATE 213.211.133.162/32 25596 Cambrium Network Ser 65000 PRIVATE 213.211.133.163/32 25596 Cambrium Network Ser 65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma 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 192.0.2.0/24 2854 RoSprint AS (Global One Russi 192.168.253.0/24 4323 Time Warner Telecom
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous 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 172.11.12.0/24 1803 SPRINT 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 /8:19 /9:9 /10:16 /11:37 /12:136 /13:270 /14:481 /15:944 /16:9746 /17:4201 /18:6799 /19:14606 /20:17559 /21:15632 /22:20004 /23:20874 /24:125309 /25:886 /26:1142 /27:631 /28:262 /29:196 /30:265 /31:0 /32:77
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1150 1158 Cable One 6478 1124 1125 AT&T Worldnet Services 18566 1010 1028 Covad Communications 4538 922 2749 China Education and Research 23577 922 931 Korea Telecom (ATM-MPLS) 2386 917 1228 AT&T Data Communications Serv 7011 832 944 Citizens Utilities 7018 816 1482 AT&T WorldNet Services 4755 805 1437 Videsh Sanchar Nigam Ltd. Aut 9583 801 947 Sify Limited 6197 776 1032 BellSouth Network Solutions, 9498 689 1004 BHARTI BT INTERNET LTD. 17488 643 824 Hathway IP Over Cable Interne 4766 607 809 Korea Telecom (KIX) 4323 595 1398 Time Warner Telecom 19916 563 568 OLM LLC 15270 544 581 PaeTec.net -a division of Pae 6517 543 588 Yipes Communications, Inc. 5668 517 655 CenturyTel Internet Holdings, 4668 507 517 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:91 12:1805 13:1 15:20 16:3 17:3 18:13 20:36 24:1003 25:1 32:177 33:3 38:349 40:61 41:323 43:6 44:2 47:4 52:4 55:3 56:3 57:42 58:503 59:420 60:375 61:1002 62:926 63:2002 64:3296 65:2426 66:3564 67:839 68:681 69:1978 70:470 71:124 72:1425 73:5 74:701 75:307 76:141 77:387 78:213 79:3 80:852 81:801 82:592 83:368 84:623 85:821 86:346 87:579 88:289 89:1009 90:37 91:600 97:6 98:3 101:1 116:381 117:193 118:38 121:317 122:613 123:191 124:670 125:1011 128:272 129:202 130:137 131:364 132:60 133:9 134:195 135:34 136:188 137:87 138:156 139:105 140:513 141:174 142:380 143:253 144:311 145:46 146:335 147:125 148:487 149:187 150:112 151:156 152:92 153:121 154:12 155:257 156:161 157:221 158:160 159:200 160:136 161:98 162:174 163:184 164:492 165:397 166:303 167:303 168:498 169:124 170:399 171:22 172:3 189:92 190:1115 192:5781 193:3984 194:3284 195:2563 196:1017 198:3887 199:3232 200:5236 201:1234 202:7760 203:7949 204:3990 205:2036 206:2486 207:2886 208:2894 209:3511 210:2683 211:1199 212:1335 213:1511 214:416 215:45 216:4103 217:1215 218:388 219:452 220:1010 221:374 222:306
End of report
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