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Routing Table Report 00:00 GMT Tue 30 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/2007/10/30
Analysis Summary ----------------
BGP routing table entries examined: 242385 Prefixes after maximum aggregation: 122508 Deaggregation factor: 1.98 Unique aggregates announced to Internet: 114081 Total ASes present in the Internet Routing Table: 26628 Prefixes per ASN: 9.10 Origin-only ASes present in the Internet Routing Table: 23061 Origin ASes announcing only one prefix: 11246 Transit ASes present in the Internet Routing Table: 3567 Transit-only ASes present in the Internet Routing Table: 89 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 67 Max AS path prepend of ASN ( 3816) 65 Prefixes from unregistered ASNs in the Routing Table: 48 Unregistered ASNs in the Routing Table: 17 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1782942540 Equivalent to 106 /8s, 69 /16s and 139 /24s Percentage of available address space announced: 48.1 Percentage of allocated address space announced: 61.5 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 112792
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 58477 Total APNIC prefixes after maximum aggregation: 20962 APNIC Deaggregation factor: 2.79 Prefixes being announced from the APNIC address blocks: 55291 Unique aggregates announced from the APNIC address blocks: 21968 APNIC Region origin ASes present in the Internet Routing Table: 3087 APNIC Prefixes per ASN: 17.91 APNIC Region origin ASes announcing only one prefix: 801 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: 323014876 Equivalent to 19 /8s, 64 /16s and 208 /24s Percentage of available APNIC address space announced: 73.9
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, 114/7, 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: 112781 Total ARIN prefixes after maximum aggregation: 64055 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 83160 Unique aggregates announced from the ARIN address blocks: 32529 ARIN Region origin ASes present in the Internet Routing Table: 11933 ARIN Prefixes per ASN: 6.97 ARIN Region origin ASes announcing only one prefix: 4595 ARIN Region transit ASes present in the Internet Routing Table: 1173 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 349737760 Equivalent to 20 /8s, 216 /16s and 147 /24s Percentage of available ARIN address space announced: 77.2
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: 50177 Total RIPE prefixes after maximum aggregation: 31788 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 47157 Unique aggregates announced from the RIPE address blocks: 30331 RIPE Region origin ASes present in the Internet Routing Table: 10437 RIPE Prefixes per ASN: 4.52 RIPE Region origin ASes announcing only one prefix: 5509 RIPE Region transit ASes present in the Internet Routing Table: 1664 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 334310944 Equivalent to 19 /8s, 237 /16s and 46 /24s Percentage of available RIPE address space announced: 76.6
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: 17558 Total LACNIC prefixes after maximum aggregation: 4585 LACNIC Deaggregation factor: 3.83 Prefixes being announced from the LACNIC address blocks: 15550 Unique aggregates announced from the LACNIC address blocks: 8785 LACNIC Region origin ASes present in the Internet Routing Table: 868 LACNIC Prefixes per ASN: 17.91 LACNIC Region origin ASes announcing only one prefix: 273 LACNIC Region transit ASes present in the Internet Routing Table: 153 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 67 Number of LACNIC addresses announced to Internet: 44824832 Equivalent to 2 /8s, 171 /16s and 249 /24s Percentage of available LACNIC address space announced: 44.5
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: 3335 Total AfriNIC prefixes after maximum aggregation: 1100 AfriNIC Deaggregation factor: 3.03 Prefixes being announced from the AfriNIC address blocks: 2399 Unique aggregates announced from the AfriNIC address blocks: 1397 AfriNIC Region origin ASes present in the Internet Routing Table: 213 AfriNIC Prefixes per ASN: 11.26 AfriNIC Region origin ASes announcing only one prefix: 68 AfriNIC Region transit ASes present in the Internet Routing Table: 40 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7632384 Equivalent to 0 /8s, 116 /16s and 118 /24s Percentage of available AfriNIC address space announced: 22.7
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 2767 2974 36 China Education and Research 4755 1472 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1119 108 15 Sify Limited 4134 1097 11531 298 CHINANET-BACKBONE 9498 1005 550 66 BHARTI BT INTERNET LTD. 23577 913 34 787 Korea Telecom (ATM-MPLS) 17488 872 56 70 Hathway IP Over Cable Interne 4766 816 5473 327 Korea Telecom (KIX) 7545 723 159 121 TPG Internet Pty Ltd 18101 607 119 52 Reliance Infocom Ltd Internet 1221 594 1951 438 Telstra Pty Ltd 9829 531 1313 10 BSNL National Internet Backbo 4812 523 858 76 China Telecom (Shanghai) 4668 518 68 10 LG-EDS Systems Inc. 4808 508 808 123 CNCGROUP IP network: China169 17676 504 10919 64 Softbank BB Corp. 4802 487 133 141 Wantree Development 7474 456 202 267 SingTel Optus Pty Ltd 9443 442 121 73 Primus Telecommunications 9942 419 74 109 COMindico Australia
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 470 1903 383 UUNET - Commercial IP service 8551 348 334 33 Bezeq International 9116 334 168 28 Goldenlines main autonomous s 3301 317 1441 294 TeliaNet Sweden 3320 315 6035 262 Deutsche Telekom AG 1273 280 307 106 Cable & Wireless Deutschland 6746 274 129 251 Dynamic Network Technologies, 8708 270 421 242 Romania Data Systems S.A. 680 268 2045 254 DFN-IP service G-WiN 8866 268 62 25 Bulgarian Telecommunication C 3215 264 2504 99 France Telecom Transpac 8220 259 445 239 COLT Telecommunications 5089 236 1658 54 NTL Group Limited 3352 233 1916 40 Ibernet, Internet Access Netw 3269 228 2935 75 TELECOM ITALIA 9121 213 1442 25 TTnet Autonomous System 8452 210 188 7 TEDATA 3300 209 172 97 AUCS Communications Services 1257 206 1194 176 SWIPnet Swedish IP Network 3246 196 257 183 Song Networks
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1489 6137 995 AT&T WorldNet Services 4323 1348 1010 356 Time Warner Telecom 2386 1241 614 763 AT&T Data Communications Serv 11492 1160 118 40 Cable One 6478 1117 328 198 AT&T Worldnet Services 6197 1032 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 993 6803 847 Cogent Communications 7011 966 288 558 Citizens Utilities 701 884 6546 691 UUNET Technologies, Inc. 20115 846 773 464 Charter Communications 3561 818 2325 379 Savvis 22773 800 2133 54 Cox Communications, Inc. 19262 796 2854 187 Verizon Global Networks 1239 794 2713 555 Sprint 3356 754 10891 395 Level 3 Communications, LLC 209 717 3782 562 Qwest 5668 663 176 17 CenturyTel Internet Holdings, 15270 605 161 39 PaeTec.net -a division of Pae 577 593 843 208 Bell Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1472 1405 Videsh Sanchar Nigam Ltd. Aut 11492 1160 1120 Cable One 9583 1119 1104 Sify Limited 18566 1028 1019 Covad Communications 4323 1348 992 Time Warner Telecom 9498 1005 939 BHARTI BT INTERNET LTD. 6478 1117 919 AT&T Worldnet Services 8151 1055 840 UniNet S.A. de C.V. 17488 872 802 Hathway IP Over Cable Interne 4134 1097 799 CHINANET-BACKBONE 22773 800 746 Cox Communications, Inc. 5668 663 646 CenturyTel Internet Holdings, 19262 796 609 Verizon Global Networks 7545 723 602 TPG Internet Pty Ltd 15270 605 566 PaeTec.net -a division of Pae 18101 607 555 Reliance Infocom Ltd Internet 6517 588 555 Yipes Communications, Inc. 6197 1032 524 BellSouth Network Solutions, 19916 569 522 OLM LLC 9829 531 521 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 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 64635 PRIVATE 148.147.0.0/16 18676 Avaya Inc. 64626 PRIVATE 155.184.0.0/16 18676 Avaya Inc. 65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom 65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans 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 64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.64/28 6721 The Terminal Bar: In 64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In 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 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 172.31.46.0/24 38416 KRNIC 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 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 /10:16 /11:38 /12:136 /13:274 /14:486 /15:957 /16:9799 /17:4263 /18:6803 /19:14777 /20:17689 /21:15843 /22:20206 /23:21218 /24:126371 /25:919 /26:1135 /27:628 /28:271 /29:192 /30:266 /31:0 /32:71
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1151 1160 Cable One 6478 1116 1117 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 954 1119 Sify Limited 2386 932 1241 AT&T Data Communications Serv 4538 932 2767 China Education and Research 23577 904 913 Korea Telecom (ATM-MPLS) 7011 853 966 Citizens Utilities 4755 843 1472 Videsh Sanchar Nigam Ltd. Aut 7018 821 1489 AT&T WorldNet Services 6197 776 1032 BellSouth Network Solutions, 9498 692 1005 BHARTI BT INTERNET LTD. 17488 687 872 Hathway IP Over Cable Interne 4766 607 816 Korea Telecom (KIX) 4323 568 1348 Time Warner Telecom 15270 568 605 PaeTec.net -a division of Pae 19916 564 569 OLM LLC 6517 543 588 Yipes Communications, Inc. 5668 521 663 CenturyTel Internet Holdings, 4668 508 518 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:88 12:1813 13:1 15:19 16:3 17:5 18:13 20:36 24:1013 25:1 32:174 33:3 38:359 40:64 41:347 43:6 44:2 47:8 52:3 55:3 56:3 57:42 58:506 59:424 60:380 61:988 62:969 63:1995 64:3371 65:2433 66:3629 67:849 68:678 69:2006 70:483 71:121 72:1414 73:6 74:741 75:320 76:158 77:416 78:253 79:6 80:842 81:799 82:604 83:362 84:635 85:810 86:337 87:581 88:286 89:1023 90:38 91:701 92:4 96:1 97:6 98:10 116:416 117:204 118:39 121:327 122:632 123:193 124:703 125:1036 128:306 129:196 130:138 131:367 132:60 133:9 134:194 135:34 136:188 137:86 138:156 139:105 140:516 141:145 142:372 143:254 144:316 145:46 146:327 147:130 148:530 149:189 150:113 151:137 152:91 153:121 154:12 155:261 156:162 157:225 158:159 159:195 160:142 161:99 162:189 163:184 164:506 165:401 166:302 167:306 168:501 169:126 170:406 171:22 172:4 189:102 190:1215 192:5748 193:4011 194:3280 195:2555 196:997 198:3882 199:3230 200:5229 201:1225 202:7842 203:7869 204:3970 205:2028 206:2415 207:2825 208:2950 209:3615 210:2801 211:1206 212:1368 213:1542 214:418 215:44 216:4143 217:1195 218:388 219:464 220:1015 221:413 222:309
End of report
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