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Routing Table Report 00:00 GMT Fri 02 Nov, 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/2007/11/02
Analysis Summary ----------------
BGP routing table entries examined: 243384 Prefixes after maximum aggregation: 122859 Deaggregation factor: 1.98 Unique aggregates announced to Internet: 114406 Total ASes present in the Internet Routing Table: 26664 Prefixes per ASN: 9.13 Origin-only ASes present in the Internet Routing Table: 23088 Origin ASes announcing only one prefix: 11265 Transit ASes present in the Internet Routing Table: 3576 Transit-only ASes present in the Internet Routing Table: 82 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 67 Max AS path prepend of ASN ( 3816) 64 Prefixes from unregistered ASNs in the Routing Table: 45 Unregistered ASNs in the Routing Table: 14 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: 12 Number of addresses announced to Internet: 1788784324 Equivalent to 106 /8s, 158 /16s and 174 /24s Percentage of available address space announced: 48.3 Percentage of allocated address space announced: 61.7 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 113497
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 58522 Total APNIC prefixes after maximum aggregation: 20993 APNIC Deaggregation factor: 2.79 Prefixes being announced from the APNIC address blocks: 55334 Unique aggregates announced from the APNIC address blocks: 22083 APNIC Region origin ASes present in the Internet Routing Table: 3086 APNIC Prefixes per ASN: 17.93 APNIC Region origin ASes announcing only one prefix: 793 APNIC Region transit ASes present in the Internet Routing Table: 479 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 323945684 Equivalent to 19 /8s, 79 /16s and 4 /24s Percentage of available APNIC address space announced: 74.1
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: 113026 Total ARIN prefixes after maximum aggregation: 64218 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 83387 Unique aggregates announced from the ARIN address blocks: 32543 ARIN Region origin ASes present in the Internet Routing Table: 11938 ARIN Prefixes per ASN: 6.99 ARIN Region origin ASes announcing only one prefix: 4581 ARIN Region transit ASes present in the Internet Routing Table: 1153 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 351925664 Equivalent to 20 /8s, 249 /16s and 245 /24s Percentage of available ARIN address space announced: 77.7
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: 50497 Total RIPE prefixes after maximum aggregation: 31936 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 47413 Unique aggregates announced from the RIPE address blocks: 30568 RIPE Region origin ASes present in the Internet Routing Table: 10473 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 5541 RIPE Region transit ASes present in the Internet Routing Table: 1696 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 335747872 Equivalent to 20 /8s, 3 /16s and 27 /24s Percentage of available RIPE address space announced: 77.0
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: 17977 Total LACNIC prefixes after maximum aggregation: 4593 LACNIC Deaggregation factor: 3.91 Prefixes being announced from the LACNIC address blocks: 15683 Unique aggregates announced from the LACNIC address blocks: 8717 LACNIC Region origin ASes present in the Internet Routing Table: 871 LACNIC Prefixes per ASN: 18.01 LACNIC Region origin ASes announcing only one prefix: 278 LACNIC Region transit ASes present in the Internet Routing Table: 155 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 67 Number of LACNIC addresses announced to Internet: 45840640 Equivalent to 2 /8s, 187 /16s and 121 /24s Percentage of available LACNIC address space announced: 45.5
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: 3308 Total AfriNIC prefixes after maximum aggregation: 1101 AfriNIC Deaggregation factor: 3.00 Prefixes being announced from the AfriNIC address blocks: 2405 Unique aggregates announced from the AfriNIC address blocks: 1393 AfriNIC Region origin ASes present in the Internet Routing Table: 213 AfriNIC Prefixes per ASN: 11.29 AfriNIC Region origin ASes announcing only one prefix: 72 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: 14 Number of AfriNIC addresses announced to Internet: 7624192 Equivalent to 0 /8s, 116 /16s and 86 /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 2771 2974 36 China Education and Research 4755 1431 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1107 108 15 Sify Limited 4134 1098 11547 299 CHINANET-BACKBONE 9498 1018 549 64 BHARTI BT INTERNET LTD. 23577 911 34 788 Korea Telecom (ATM-MPLS) 17488 874 57 69 Hathway IP Over Cable Interne 4766 815 5473 327 Korea Telecom (KIX) 7545 723 159 121 TPG Internet Pty Ltd 18101 609 119 53 Reliance Infocom Ltd Internet 1221 595 1951 439 Telstra Pty Ltd 9829 530 1312 9 BSNL National Internet Backbo 4668 520 68 10 LG-EDS Systems Inc. 4812 515 865 76 China Telecom (Shanghai) 17676 504 10919 64 Softbank BB Corp. 4808 499 796 121 CNCGROUP IP network: China169 4802 486 133 140 Wantree Development 7474 456 202 267 SingTel Optus Pty Ltd 9443 442 121 73 Primus Telecommunications 9942 420 74 110 COMindico Australia
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 470 1919 384 UUNET - Commercial IP service 8551 348 334 33 Bezeq International 9116 335 168 28 Goldenlines main autonomous s 3320 317 6036 263 Deutsche Telekom AG 3301 316 1441 293 TeliaNet Sweden 1273 280 307 106 Cable & Wireless Deutschland 6746 273 129 251 Dynamic Network Technologies, 8708 273 421 244 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 251 439 233 COLT Telecommunications 8452 242 188 7 TEDATA 5089 236 1658 54 NTL Group Limited 3352 235 1932 41 Ibernet, Internet Access Netw 3269 227 2934 74 TELECOM ITALIA 3300 222 172 98 AUCS Communications Services 9121 213 1442 25 TTnet Autonomous System 1257 207 1195 177 SWIPnet Swedish IP Network 3246 201 257 188 Song Networks
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1504 6138 1002 AT&T WorldNet Services 4323 1361 1010 360 Time Warner Telecom 2386 1244 628 756 AT&T Data Communications Serv 11492 1160 119 48 Cable One 6478 1121 329 184 AT&T Worldnet Services 6197 1030 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 7011 979 290 562 Citizens Utilities 174 973 6850 840 Cogent Communications 701 892 6551 698 UUNET Technologies, Inc. 20115 847 773 464 Charter Communications 3561 809 2325 376 Savvis 1239 808 2730 565 Sprint 22773 802 2133 54 Cox Communications, Inc. 19262 792 2842 180 Verizon Global Networks 3356 787 10884 406 Level 3 Communications, LLC 209 733 3784 575 Qwest 5668 663 176 17 CenturyTel Internet Holdings, 15270 607 161 40 PaeTec.net -a division of Pae 577 594 844 209 Bell Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1431 1364 Videsh Sanchar Nigam Ltd. Aut 11492 1160 1112 Cable One 9583 1107 1092 Sify Limited 18566 1028 1019 Covad Communications 4323 1361 1001 Time Warner Telecom 9498 1018 954 BHARTI BT INTERNET LTD. 8151 1159 941 UniNet S.A. de C.V. 6478 1121 937 AT&T Worldnet Services 17488 874 805 Hathway IP Over Cable Interne 4134 1098 799 CHINANET-BACKBONE 22773 802 748 Cox Communications, Inc. 5668 663 646 CenturyTel Internet Holdings, 19262 792 612 Verizon Global Networks 7545 723 602 TPG Internet Pty Ltd 15270 607 567 PaeTec.net -a division of Pae 6517 592 557 Yipes Communications, Inc. 18101 609 556 Reliance Infocom Ltd Internet 6197 1030 522 BellSouth Network Solutions, 19916 569 522 OLM LLC 9829 530 521 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 65500 PRIVATE 68.87.20.0/24 36733 Comcast Cable Commun 65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans 65100 PRIVATE 80.91.113.0/24 33924 ProNet Autonomous Sy 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 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 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 172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona 172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona 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 /11:39 /12:136 /13:275 /14:486 /15:958 /16:9819 /17:4275 /18:6817 /19:14952 /20:17722 /21:15901 /22:20210 /23:21294 /24:126809 /25:952 /26:1144 /27:620 /28:284 /29:235 /30:342 /31:0 /32:71
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1151 1160 Cable One 6478 1120 1121 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 945 1107 Sify Limited 2386 935 1244 AT&T Data Communications Serv 4538 932 2771 China Education and Research 23577 902 911 Korea Telecom (ATM-MPLS) 7011 866 979 Citizens Utilities 7018 830 1504 AT&T WorldNet Services 4755 814 1431 Videsh Sanchar Nigam Ltd. Aut 6197 774 1030 BellSouth Network Solutions, 9498 704 1018 BHARTI BT INTERNET LTD. 17488 689 874 Hathway IP Over Cable Interne 4766 606 815 Korea Telecom (KIX) 4323 574 1361 Time Warner Telecom 15270 569 607 PaeTec.net -a division of Pae 19916 564 569 OLM LLC 6517 546 592 Yipes Communications, Inc. 5668 521 663 CenturyTel Internet Holdings, 4668 510 520 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:90 12:1813 13:1 15:19 16:3 17:6 18:13 20:35 24:1008 25:1 32:174 33:3 38:357 40:64 41:349 43:6 44:2 47:8 52:3 55:3 56:3 57:30 58:512 59:418 60:382 61:994 62:999 63:2005 64:3380 65:2436 66:3646 67:856 68:691 69:2011 70:480 71:120 72:1414 73:8 74:750 75:320 76:158 77:412 78:264 79:10 80:873 81:833 82:597 83:356 84:647 85:824 86:407 87:583 88:283 89:1013 90:39 91:715 92:4 96:1 97:6 98:12 116:423 117:203 118:42 121:334 122:635 123:205 124:703 125:1038 128:306 129:196 130:143 131:367 132:60 133:9 134:194 135:34 136:189 137:86 138:156 139:105 140:515 141:145 142:372 143:256 144:318 145:46 146:327 147:129 148:549 149:186 150:169 151:137 152:93 153:121 154:12 155:261 156:164 157:225 158:159 159:193 160:142 161:100 162:189 163:184 164:505 165:399 166:302 167:308 168:511 169:127 170:419 171:22 172:6 189:103 190:1206 192:5757 193:4021 194:3285 195:2549 196:987 198:3883 199:3229 200:5237 201:1227 202:7860 203:7826 204:3992 205:2007 206:2444 207:2819 208:2943 209:3628 210:2817 211:1206 212:1329 213:1547 214:424 215:43 216:4168 217:1216 218:393 219:453 220:1015 221:407 222:310
End of report
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