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Routing Table Report 00:00 GMT Wed 10 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/2007/10/10
Analysis Summary ----------------
BGP routing table entries examined: 240817 Prefixes after maximum aggregation: 122361 Deaggregation factor: 1.97 Unique aggregates announced to Internet: 114160 Total ASes present in the Internet Routing Table: 26498 Prefixes per ASN: 9.09 Origin-only ASes present in the Internet Routing Table: 22949 Origin ASes announcing only one prefix: 11199 Transit ASes present in the Internet Routing Table: 3549 Transit-only ASes present in the Internet Routing Table: 85 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 28 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 51 Unregistered ASNs in the Routing Table: 17 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: 1791272972 Equivalent to 106 /8s, 196 /16s and 168 /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: 111566
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 58183 Total APNIC prefixes after maximum aggregation: 21281 APNIC Deaggregation factor: 2.73 Prefixes being announced from the APNIC address blocks: 55009 Unique aggregates announced from the APNIC address blocks: 22922 APNIC Region origin ASes present in the Internet Routing Table: 3081 APNIC Prefixes per ASN: 17.85 APNIC Region origin ASes announcing only one prefix: 816 APNIC Region transit ASes present in the Internet Routing Table: 476 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 321013236 Equivalent to 19 /8s, 34 /16s and 69 /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: 112269 Total ARIN prefixes after maximum aggregation: 63817 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 82636 Unique aggregates announced from the ARIN address blocks: 32247 ARIN Region origin ASes present in the Internet Routing Table: 11891 ARIN Prefixes per ASN: 6.95 ARIN Region origin ASes announcing only one prefix: 4562 ARIN Region transit ASes present in the Internet Routing Table: 1158 Average ARIN Region AS path length visible: 3.1 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 347361184 Equivalent to 20 /8s, 180 /16s and 79 /24s Percentage of available ARIN address space announced: 76.7
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: 50304 Total RIPE prefixes after maximum aggregation: 31623 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 46668 Unique aggregates announced from the RIPE address blocks: 30222 RIPE Region origin ASes present in the Internet Routing Table: 10359 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 5476 RIPE Region transit ASes present in the Internet Routing Table: 1670 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 330427200 Equivalent to 19 /8s, 177 /16s and 235 /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: 17282 Total LACNIC prefixes after maximum aggregation: 4538 LACNIC Deaggregation factor: 3.81 Prefixes being announced from the LACNIC address blocks: 15288 Unique aggregates announced from the LACNIC address blocks: 8491 LACNIC Region origin ASes present in the Internet Routing Table: 872 LACNIC Prefixes per ASN: 17.53 LACNIC Region origin ASes announcing only one prefix: 277 LACNIC Region transit ASes present in the Internet Routing Table: 155 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 44075520 Equivalent to 2 /8s, 160 /16s and 138 /24s Percentage of available LACNIC address space announced: 43.8
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: 2720 Total AfriNIC prefixes after maximum aggregation: 1086 AfriNIC Deaggregation factor: 2.50 Prefixes being announced from the AfriNIC address blocks: 2373 Unique aggregates announced from the AfriNIC address blocks: 1374 AfriNIC Region origin ASes present in the Internet Routing Table: 209 AfriNIC Prefixes per ASN: 11.35 AfriNIC Region origin ASes announcing only one prefix: 68 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 7534848 Equivalent to 0 /8s, 114 /16s and 249 /24s Percentage of available AfriNIC address space announced: 22.5
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 2751 2974 36 China Education and Research 4755 1440 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1113 80 421 Sify Limited 4134 1097 11500 298 CHINANET-BACKBONE 9498 1005 533 66 BHARTI BT INTERNET LTD. 23577 932 34 797 Korea Telecom (ATM-MPLS) 17488 824 53 65 Hathway IP Over Cable Interne 4766 811 5442 321 Korea Telecom (KIX) 7545 738 159 118 TPG Internet Pty Ltd 18101 604 119 51 Reliance Infocom Ltd Internet 1221 592 1950 436 Telstra Pty Ltd 4802 574 132 143 Wantree Development 4812 548 974 94 China Telecom (Shanghai) 9829 531 1313 10 BSNL National Internet Backbo 4668 518 68 10 LG-EDS Systems Inc. 17676 502 10903 63 Softbank BB Corp. 4808 489 789 117 CNCGROUP IP network: China169 9443 467 122 77 Primus Telecommunications 7474 456 218 268 SingTel Optus Pty Ltd 9942 421 74 111 COMindico Australia
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 474 1920 387 UUNET - Commercial IP service 24863 370 57 36 LINKdotNET AS number 8551 352 334 33 Bezeq International 9116 350 168 27 Goldenlines main autonomous s 3301 316 1441 293 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 6746 293 131 269 Dynamic Network Technologies, 1273 276 306 104 Cable & Wireless Deutschland 680 269 2045 257 DFN-IP service G-WiN 8708 263 421 241 Romania Data Systems S.A. 3215 262 2480 100 France Telecom Transpac 8866 262 62 22 Bulgarian Telecommunication C 8220 256 444 237 COLT Telecommunications 5089 236 1658 54 NTL Group Limited 3352 231 1898 40 Ibernet, Internet Access Netw 3269 223 2839 73 TELECOM ITALIA 9121 213 1442 25 TTnet Autonomous System 3300 209 172 100 AUCS Communications Services 1257 206 1195 170 SWIPnet Swedish IP Network 2856 195 2303 154 BTnet UK Regional network
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1476 10250 983 AT&T WorldNet Services 4323 1403 1007 363 Time Warner Telecom 2386 1231 621 753 AT&T Data Communications Serv 11492 1158 114 14 Cable One 6478 1126 329 142 AT&T Worldnet Services 6197 1031 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 967 6779 843 Cogent Communications 7011 957 289 554 Citizens Utilities 701 875 6573 681 UUNET Technologies, Inc. 20115 839 766 453 Charter Communications 1239 805 2713 563 Sprint 22773 795 2133 54 Cox Communications, Inc. 19262 783 2830 181 Verizon Global Networks 209 730 3826 576 Qwest 577 714 845 203 Bell Advanced Communications 3356 679 10820 369 Level 3 Communications, LLC 5668 653 176 23 CenturyTel Internet Holdings, 852 593 1093 359 Telus Advanced Communications 6517 587 165 36 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1440 1373 Videsh Sanchar Nigam Ltd. Aut 11492 1158 1144 Cable One 4323 1403 1040 Time Warner Telecom 18566 1028 1019 Covad Communications 6478 1126 984 AT&T Worldnet Services 9498 1005 939 BHARTI BT INTERNET LTD. 8151 1045 832 UniNet S.A. de C.V. 4134 1097 799 CHINANET-BACKBONE 17488 824 759 Hathway IP Over Cable Interne 22773 795 741 Cox Communications, Inc. 9583 1113 692 Sify Limited 5668 653 630 CenturyTel Internet Holdings, 7545 738 620 TPG Internet Pty Ltd 19262 783 602 Verizon Global Networks 18101 604 553 Reliance Infocom Ltd Internet 6517 587 551 Yipes Communications, Inc. 15270 582 543 PaeTec.net -a division of Pae 6197 1031 523 BellSouth Network Solutions, 9829 531 521 BSNL National Internet Backbo 19916 568 517 OLM LLC
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 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 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 65002 PRIVATE 198.128.4.0/24 292 Energy Sciences Netw 65001 PRIVATE 198.128.15.96/27 293 Energy Sciences Netw 65002 PRIVATE 198.129.33.36/32 292 Energy Sciences Netw 65001 PRIVATE 198.129.44.28/32 293 Energy Sciences Netw 65002 PRIVATE 198.129.224.96/29 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.32/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.112/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.116/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.120/30 292 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 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 /12:135 /13:270 /14:481 /15:945 /16:9761 /17:4201 /18:6814 /19:14619 /20:17581 /21:15679 /22:20073 /23:20980 /24:125735 /25:881 /26:1140 /27:635 /28:265 /29:196 /30:266 /31:0 /32:79
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1150 1158 Cable One 6478 1125 1126 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 956 1113 Sify Limited 4538 923 2751 China Education and Research 23577 923 932 Korea Telecom (ATM-MPLS) 2386 920 1231 AT&T Data Communications Serv 7011 844 957 Citizens Utilities 7018 813 1476 AT&T WorldNet Services 4755 808 1440 Videsh Sanchar Nigam Ltd. Aut 6197 775 1031 BellSouth Network Solutions, 9498 690 1005 BHARTI BT INTERNET LTD. 17488 643 824 Hathway IP Over Cable Interne 4766 609 811 Korea Telecom (KIX) 4323 595 1403 Time Warner Telecom 19916 563 568 OLM LLC 15270 545 582 PaeTec.net -a division of Pae 6517 542 587 Yipes Communications, Inc. 5668 515 653 CenturyTel Internet Holdings, 4668 508 518 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:91 12:1808 13:1 15:20 16:3 17:4 18:13 20:36 24:1004 25:1 32:177 33:3 38:354 40:61 41:324 43:6 44:2 47:4 52:4 55:3 56:3 57:42 58:498 59:425 60:375 61:988 62:969 63:2002 64:3294 65:2426 66:3565 67:842 68:681 69:2000 70:474 71:125 72:1423 73:5 74:709 75:307 76:141 77:388 78:241 79:5 80:864 81:779 82:549 83:374 84:640 85:838 86:347 87:574 88:288 89:1014 90:37 91:613 96:1 97:6 98:4 101:1 116:376 117:197 118:39 121:315 122:614 123:202 124:687 125:1029 128:273 129:202 130:138 131:366 132:60 133:9 134:195 135:34 136:188 137:87 138:156 139:107 140:514 141:174 142:381 143:254 144:315 145:46 146:335 147:125 148:493 149:188 150:114 151:156 152:92 153:121 154:12 155:257 156:161 157:222 158:160 159:200 160:135 161:100 162:174 163:183 164:497 165:399 166:303 167:303 168:497 169:123 170:399 171:22 172:3 189:94 190:1121 192:5783 193:3997 194:3282 195:2580 196:1019 198:3892 199:3242 200:5236 201:1229 202:7800 203:7940 204:3990 205:2027 206:2489 207:2885 208:2900 209:3511 210:2772 211:1214 212:1332 213:1531 214:421 215:45 216:4099 217:1211 218:388 219:451 220:1015 221:417 222:306
End of report
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