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Routing Table Report 00:00 GMT Thu 11 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/2007/10/11
Analysis Summary ----------------
BGP routing table entries examined: 240820 Prefixes after maximum aggregation: 122357 Deaggregation factor: 1.97 Unique aggregates announced to Internet: 114220 Total ASes present in the Internet Routing Table: 26503 Prefixes per ASN: 9.09 Origin-only ASes present in the Internet Routing Table: 22900 Origin ASes announcing only one prefix: 11189 Transit ASes present in the Internet Routing Table: 3603 Transit-only ASes present in the Internet Routing Table: 96 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 28 Max AS path prepend of ASN (42025) 17 Prefixes from unregistered ASNs in the Routing Table: 54 Unregistered ASNs in the Routing Table: 18 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: 1792419948 Equivalent to 106 /8s, 214 /16s and 40 /24s Percentage of available address space announced: 48.4 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 77.3 Total number of prefixes smaller than registry allocations: 111548
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 58192 Total APNIC prefixes after maximum aggregation: 21272 APNIC Deaggregation factor: 2.74 Prefixes being announced from the APNIC address blocks: 55022 Unique aggregates announced from the APNIC address blocks: 22947 APNIC Region origin ASes present in the Internet Routing Table: 3076 APNIC Prefixes per ASN: 17.89 APNIC Region origin ASes announcing only one prefix: 805 APNIC Region transit ASes present in the Internet Routing Table: 490 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 321082100 Equivalent to 19 /8s, 35 /16s and 82 /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: 112198 Total ARIN prefixes after maximum aggregation: 63831 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 82680 Unique aggregates announced from the ARIN address blocks: 32221 ARIN Region origin ASes present in the Internet Routing Table: 11878 ARIN Prefixes per ASN: 6.96 ARIN Region origin ASes announcing only one prefix: 4552 ARIN Region transit ASes present in the Internet Routing Table: 1164 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 348505248 Equivalent to 20 /8s, 197 /16s and 196 /24s Percentage of available ARIN address space announced: 76.9
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: 50277 Total RIPE prefixes after maximum aggregation: 31630 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 46735 Unique aggregates announced from the RIPE address blocks: 30208 RIPE Region origin ASes present in the Internet Routing Table: 10369 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 5483 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: 21 Number of RIPE addresses announced to Internet: 330421920 Equivalent to 19 /8s, 177 /16s and 214 /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: 17289 Total LACNIC prefixes after maximum aggregation: 4543 LACNIC Deaggregation factor: 3.81 Prefixes being announced from the LACNIC address blocks: 15288 Unique aggregates announced from the LACNIC address blocks: 8569 LACNIC Region origin ASes present in the Internet Routing Table: 874 LACNIC Prefixes per ASN: 17.49 LACNIC Region origin ASes announcing only one prefix: 281 LACNIC Region transit ASes present in the Internet Routing Table: 148 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 44268288 Equivalent to 2 /8s, 163 /16s and 123 /24s Percentage of available LACNIC address space announced: 44.0
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: 2802 Total AfriNIC prefixes after maximum aggregation: 1065 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 2381 Unique aggregates announced from the AfriNIC address blocks: 1378 AfriNIC Region origin ASes present in the Internet Routing Table: 209 AfriNIC Prefixes per ASN: 11.39 AfriNIC Region origin ASes announcing only one prefix: 68 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7523328 Equivalent to 0 /8s, 114 /16s and 204 /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 1440 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1119 80 417 Sify Limited 4134 1097 11500 298 CHINANET-BACKBONE 9498 1004 533 66 BHARTI BT INTERNET LTD. 23577 929 34 795 Korea Telecom (ATM-MPLS) 17488 825 54 66 Hathway IP Over Cable Interne 4766 810 5442 321 Korea Telecom (KIX) 7545 740 159 119 TPG Internet Pty Ltd 18101 603 119 51 Reliance Infocom Ltd Internet 1221 590 1950 435 Telstra Pty Ltd 4802 574 132 143 Wantree Development 4812 548 974 94 China Telecom (Shanghai) 9829 527 1313 10 BSNL National Internet Backbo 4668 518 68 10 LG-EDS Systems Inc. 17676 502 10903 63 Softbank BB Corp. 4808 496 793 120 CNCGROUP IP network: China169 9443 466 122 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 702 471 1903 384 UUNET - Commercial IP service 24863 370 57 36 LINKdotNET AS number 8551 352 334 33 Bezeq International 9116 351 168 27 Goldenlines main autonomous s 3301 316 1441 293 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 6746 292 131 268 Dynamic Network Technologies, 1273 273 305 103 Cable & Wireless Deutschland 680 269 2045 257 DFN-IP service G-WiN 8708 263 421 242 Romania Data Systems S.A. 3215 262 2480 100 France Telecom Transpac 8866 262 62 22 Bulgarian Telecommunication C 8220 257 444 238 COLT Telecommunications 5089 236 1658 54 NTL Group Limited 3352 231 1898 40 Ibernet, Internet Access Netw 3269 223 2839 73 TELECOM ITALIA 9121 213 1442 25 TTnet Autonomous System 3300 209 172 100 AUCS Communications Services 1257 204 1195 168 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 1484 10235 990 AT&T WorldNet Services 4323 1399 1007 363 Time Warner Telecom 2386 1230 613 753 AT&T Data Communications Serv 11492 1158 114 14 Cable One 6478 1123 329 155 AT&T Worldnet Services 6197 1032 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 967 6779 842 Cogent Communications 7011 958 289 555 Citizens Utilities 701 873 6573 678 UUNET Technologies, Inc. 20115 837 765 453 Charter Communications 1239 806 2721 565 Sprint 22773 795 2133 54 Cox Communications, Inc. 19262 786 2840 184 Verizon Global Networks 209 729 3810 575 Qwest 577 714 845 203 Bell Advanced Communications 3356 677 10804 367 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 1399 1036 Time Warner Telecom 18566 1028 1019 Covad Communications 6478 1123 968 AT&T Worldnet Services 9498 1004 938 BHARTI BT INTERNET LTD. 8151 1047 834 UniNet S.A. de C.V. 4134 1097 799 CHINANET-BACKBONE 17488 825 759 Hathway IP Over Cable Interne 22773 795 741 Cox Communications, Inc. 9583 1119 702 Sify Limited 5668 653 630 CenturyTel Internet Holdings, 7545 740 621 TPG Internet Pty Ltd 19262 786 602 Verizon Global Networks 18101 603 552 Reliance Infocom Ltd Internet 6517 587 551 Yipes Communications, Inc. 15270 582 543 PaeTec.net -a division of Pae 6197 1032 524 BellSouth Network Solutions, 19916 568 517 OLM LLC 9829 527 517 BSNL National Internet Backbo
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 65100 PRIVATE 80.91.113.0/24 35047 Abiss Net Tirana Alb 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 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 /13:271 /14:483 /15:943 /16:9765 /17:4201 /18:6817 /19:14629 /20:17580 /21:15697 /22:20069 /23:20987 /24:125727 /25:878 /26:1136 /27:625 /28:263 /29:196 /30:266 /31:0 /32:71
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1150 1158 Cable One 6478 1122 1123 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 963 1119 Sify Limited 4538 923 2749 China Education and Research 23577 920 929 Korea Telecom (ATM-MPLS) 2386 919 1230 AT&T Data Communications Serv 7011 845 958 Citizens Utilities 7018 817 1484 AT&T WorldNet Services 4755 808 1440 Videsh Sanchar Nigam Ltd. Aut 6197 776 1032 BellSouth Network Solutions, 9498 690 1004 BHARTI BT INTERNET LTD. 17488 644 825 Hathway IP Over Cable Interne 4766 608 810 Korea Telecom (KIX) 4323 590 1399 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 12:1809 13:1 15:20 16:3 17:4 18:13 20:36 24:1005 25:1 32:177 33:3 38:354 40:61 41:329 43:6 44:2 47:7 52:4 55:3 56:3 57:42 58:497 59:425 60:376 61:986 62:968 63:2003 64:3302 65:2427 66:3563 67:841 68:681 69:2000 70:474 71:125 72:1422 73:5 74:711 75:306 76:141 77:388 78:242 79:5 80:865 81:802 82:595 83:374 84:632 85:828 86:348 87:572 88:276 89:1016 90:37 91:617 96:1 97:6 98:4 101:1 116:378 117:196 118:39 121:312 122:616 123:200 124:691 125:1029 128:275 129:201 130:138 131:368 132:58 133:9 134:194 135:34 136:188 137:87 138:156 139:107 140:416 141:174 142:381 143:253 144:316 145:46 146:335 147:125 148:495 149:188 150:114 151:156 152:92 153:121 154:12 155:256 156:161 157:223 158:160 159:198 160:135 161:101 162:174 163:183 164:496 165:399 166:303 167:303 168:498 169:125 170:397 171:22 172:3 189:96 190:1122 192:5778 193:3999 194:3286 195:2571 196:1019 198:3881 199:3237 200:5232 201:1229 202:7813 203:7963 204:3989 205:2030 206:2483 207:2887 208:2903 209:3511 210:2774 211:1212 212:1348 213:1535 214:416 215:44 216:4101 217:1212 218:389 219:451 220:1014 221:415 222:306
End of report
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