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Routing Table Report 00:00 GMT Fri 12 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/2007/10/12
Analysis Summary ----------------
BGP routing table entries examined: 240986 Prefixes after maximum aggregation: 122438 Deaggregation factor: 1.97 Unique aggregates announced to Internet: 114241 Total ASes present in the Internet Routing Table: 26561 Prefixes per ASN: 9.07 Origin-only ASes present in the Internet Routing Table: 23020 Origin ASes announcing only one prefix: 11235 Transit ASes present in the Internet Routing Table: 3541 Transit-only ASes present in the Internet Routing Table: 88 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 27 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 55 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: 1792940876 Equivalent to 106 /8s, 222 /16s and 27 /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: 111589
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 58231 Total APNIC prefixes after maximum aggregation: 21265 APNIC Deaggregation factor: 2.74 Prefixes being announced from the APNIC address blocks: 55057 Unique aggregates announced from the APNIC address blocks: 22928 APNIC Region origin ASes present in the Internet Routing Table: 3082 APNIC Prefixes per ASN: 17.86 APNIC Region origin ASes announcing only one prefix: 814 APNIC Region transit ASes present in the Internet Routing Table: 474 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 321242100 Equivalent to 19 /8s, 37 /16s and 195 /24s Percentage of available APNIC address space announced: 79.6
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: 112258 Total ARIN prefixes after maximum aggregation: 63891 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 82754 Unique aggregates announced from the ARIN address blocks: 32239 ARIN Region origin ASes present in the Internet Routing Table: 11937 ARIN Prefixes per ASN: 6.93 ARIN Region origin ASes announcing only one prefix: 4591 ARIN Region transit ASes present in the Internet Routing Table: 1168 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 348654752 Equivalent to 20 /8s, 200 /16s and 12 /24s Percentage of available ARIN address space announced: 77.0
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: 50297 Total RIPE prefixes after maximum aggregation: 31644 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 46761 Unique aggregates announced from the RIPE address blocks: 30204 RIPE Region origin ASes present in the Internet Routing Table: 10370 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 5484 RIPE Region transit ASes present in the Internet Routing Table: 1649 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 330408832 Equivalent to 19 /8s, 177 /16s and 163 /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: 17328 Total LACNIC prefixes after maximum aggregation: 4558 LACNIC Deaggregation factor: 3.80 Prefixes being announced from the LACNIC address blocks: 15306 Unique aggregates announced from the LACNIC address blocks: 8587 LACNIC Region origin ASes present in the Internet Routing Table: 875 LACNIC Prefixes per ASN: 17.49 LACNIC Region origin ASes announcing only one prefix: 278 LACNIC Region transit ASes present in the Internet Routing Table: 157 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 44290304 Equivalent to 2 /8s, 163 /16s and 209 /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: 2809 Total AfriNIC prefixes after maximum aggregation: 1064 AfriNIC Deaggregation factor: 2.64 Prefixes being announced from the AfriNIC address blocks: 2376 Unique aggregates announced from the AfriNIC address blocks: 1377 AfriNIC Region origin ASes present in the Internet Routing Table: 208 AfriNIC Prefixes per ASN: 11.42 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: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 7599872 Equivalent to 0 /8s, 115 /16s and 247 /24s Percentage of available AfriNIC address space announced: 22.6
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 2755 2974 36 China Education and Research 4755 1440 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1123 81 419 Sify Limited 4134 1095 11484 297 CHINANET-BACKBONE 9498 1009 550 68 BHARTI BT INTERNET LTD. 23577 927 34 793 Korea Telecom (ATM-MPLS) 17488 825 54 66 Hathway IP Over Cable Interne 4766 810 5442 321 Korea Telecom (KIX) 7545 738 159 117 TPG Internet Pty Ltd 18101 602 119 49 Reliance Infocom Ltd Internet 1221 588 1950 433 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 490 789 118 CNCGROUP IP network: China169 7474 456 218 268 SingTel Optus Pty Ltd 9443 455 121 73 Primus Telecommunications 9942 420 74 110 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 353 334 33 Bezeq International 9116 352 168 27 Goldenlines main autonomous s 3301 316 1441 293 TeliaNet Sweden 3320 316 6036 262 Deutsche Telekom AG 6746 292 131 268 Dynamic Network Technologies, 1273 278 306 104 Cable & Wireless Deutschland 680 269 2045 257 DFN-IP service G-WiN 8866 265 62 24 Bulgarian Telecommunication C 8708 264 421 242 Romania Data Systems S.A. 3215 262 2480 100 France Telecom Transpac 8220 253 444 235 COLT Telecommunications 5089 236 1658 54 NTL Group Limited 3352 231 1898 40 Ibernet, Internet Access Netw 3269 223 2838 72 TELECOM ITALIA 9121 213 1442 25 TTnet Autonomous System 3300 208 172 99 AUCS Communications Services 1257 205 1179 169 SWIPnet Swedish IP Network 2856 195 2302 154 BTnet UK Regional network
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1490 10235 994 AT&T WorldNet Services 4323 1397 1007 364 Time Warner Telecom 2386 1232 628 743 AT&T Data Communications Serv 11492 1158 114 14 Cable One 6478 1127 330 139 AT&T Worldnet Services 6197 1029 718 513 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 7011 958 289 557 Citizens Utilities 174 955 6713 830 Cogent Communications 701 870 6587 676 UUNET Technologies, Inc. 20115 835 764 446 Charter Communications 22773 792 2133 54 Cox Communications, Inc. 19262 784 2824 182 Verizon Global Networks 1239 783 2695 547 Sprint 577 714 845 203 Bell Advanced Communications 209 711 3769 554 Qwest 3356 680 10804 368 Level 3 Communications, LLC 5668 658 176 23 CenturyTel Internet Holdings, 852 591 1077 357 Telus Advanced Communications 6517 589 165 37 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 1397 1033 Time Warner Telecom 18566 1028 1019 Covad Communications 6478 1127 988 AT&T Worldnet Services 9498 1009 941 BHARTI BT INTERNET LTD. 8151 1017 815 UniNet S.A. de C.V. 4134 1095 798 CHINANET-BACKBONE 17488 825 759 Hathway IP Over Cable Interne 22773 792 738 Cox Communications, Inc. 9583 1123 704 Sify Limited 5668 658 635 CenturyTel Internet Holdings, 7545 738 621 TPG Internet Pty Ltd 19262 784 602 Verizon Global Networks 18101 602 553 Reliance Infocom Ltd Internet 6517 589 552 Yipes Communications, Inc. 15270 584 545 PaeTec.net -a division of Pae 9829 531 521 BSNL National Internet Backbo 19916 568 517 OLM LLC 6197 1029 516 BellSouth Network Solutions,
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 65075 PRIVATE 65.127.220.0/23 10886 University of Maryla 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 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 65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net 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 /16:9773 /17:4211 /18:6825 /19:14656 /20:17594 /21:15728 /22:20097 /23:20999 /24:125743 /25:890 /26:1137 /27:624 /28:265 /29:195 /30:266 /31:0 /32:70
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1150 1158 Cable One 6478 1126 1127 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 965 1123 Sify Limited 4538 924 2755 China Education and Research 2386 920 1232 AT&T Data Communications Serv 23577 918 927 Korea Telecom (ATM-MPLS) 7011 845 958 Citizens Utilities 7018 820 1490 AT&T WorldNet Services 4755 811 1440 Videsh Sanchar Nigam Ltd. Aut 6197 773 1029 BellSouth Network Solutions, 9498 691 1009 BHARTI BT INTERNET LTD. 17488 644 825 Hathway IP Over Cable Interne 4766 608 810 Korea Telecom (KIX) 4323 590 1397 Time Warner Telecom 19916 563 568 OLM LLC 15270 547 584 PaeTec.net -a division of Pae 6517 543 589 Yipes Communications, Inc. 5668 518 658 CenturyTel Internet Holdings, 4668 508 518 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:91 12:1810 13:1 15:19 16:3 17:5 18:13 20:36 24:1005 25:1 32:177 33:3 38:354 40:61 41:325 43:6 44:2 47:7 52:3 55:3 56:3 57:42 58:498 59:425 60:377 61:988 62:977 63:1999 64:3304 65:2425 66:3566 67:845 68:681 69:2000 70:473 71:125 72:1413 73:5 74:715 75:308 76:144 77:390 78:241 79:5 80:869 81:788 82:599 83:375 84:629 85:832 86:346 87:566 88:290 89:1020 90:37 91:623 96:1 97:6 98:4 101:1 116:377 117:201 118:39 121:319 122:616 123:202 124:692 125:1034 128:275 129:196 130:137 131:368 132:60 133:9 134:194 135:34 136:188 137:87 138:156 139:107 140:416 141:174 142:381 143:253 144:317 145:46 146:335 147:130 148:496 149:188 150:112 151:157 152:92 153:121 154:12 155:258 156:161 157:223 158:160 159:197 160:135 161:100 162:174 163:183 164:500 165:399 166:303 167:304 168:496 169:125 170:398 171:22 172:3 189:95 190:1124 192:5783 193:4013 194:3281 195:2583 196:1015 198:3881 199:3234 200:5229 201:1228 202:7817 203:7957 204:3995 205:2027 206:2486 207:2886 208:2917 209:3510 210:2766 211:1210 212:1319 213:1529 214:418 215:45 216:4106 217:1196 218:389 219:453 220:1002 221:414 222:305
End of report
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