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Routing Table Report 00:00 GMT Wed 31 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/2007/10/31
Analysis Summary ----------------
BGP routing table entries examined: 242719 Prefixes after maximum aggregation: 122929 Deaggregation factor: 1.97 Unique aggregates announced to Internet: 114331 Total ASes present in the Internet Routing Table: 26665 Prefixes per ASN: 9.10 Origin-only ASes present in the Internet Routing Table: 23163 Origin ASes announcing only one prefix: 11283 Transit ASes present in the Internet Routing Table: 3502 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 68 Max AS path prepend of ASN ( 3816) 64 Prefixes from unregistered ASNs in the Routing Table: 47 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: 10 Number of addresses announced to Internet: 1784311876 Equivalent to 106 /8s, 90 /16s and 112 /24s Percentage of available address space announced: 48.1 Percentage of allocated address space announced: 61.6 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 113017
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 58481 Total APNIC prefixes after maximum aggregation: 20981 APNIC Deaggregation factor: 2.79 Prefixes being announced from the APNIC address blocks: 55297 Unique aggregates announced from the APNIC address blocks: 21994 APNIC Region origin ASes present in the Internet Routing Table: 3092 APNIC Prefixes per ASN: 17.88 APNIC Region origin ASes announcing only one prefix: 804 APNIC Region transit ASes present in the Internet Routing Table: 468 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 323172052 Equivalent to 19 /8s, 67 /16s and 54 /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: 112941 Total ARIN prefixes after maximum aggregation: 64308 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 83289 Unique aggregates announced from the ARIN address blocks: 32550 ARIN Region origin ASes present in the Internet Routing Table: 11938 ARIN Prefixes per ASN: 6.98 ARIN Region origin ASes announcing only one prefix: 4590 ARIN Region transit ASes present in the Internet Routing Table: 1136 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 349803296 Equivalent to 20 /8s, 217 /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: 50364 Total RIPE prefixes after maximum aggregation: 31927 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 47304 Unique aggregates announced from the RIPE address blocks: 30519 RIPE Region origin ASes present in the Internet Routing Table: 10470 RIPE Prefixes per ASN: 4.52 RIPE Region origin ASes announcing only one prefix: 5542 RIPE Region transit ASes present in the Internet Routing Table: 1671 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE addresses announced to Internet: 335092000 Equivalent to 19 /8s, 249 /16s and 25 /24s Percentage of available RIPE address space announced: 76.8
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: 17591 Total LACNIC prefixes after maximum aggregation: 4592 LACNIC Deaggregation factor: 3.83 Prefixes being announced from the LACNIC address blocks: 15521 Unique aggregates announced from the LACNIC address blocks: 8788 LACNIC Region origin ASes present in the Internet Routing Table: 870 LACNIC Prefixes per ASN: 17.84 LACNIC Region origin ASes announcing only one prefix: 276 LACNIC Region transit ASes present in the Internet Routing Table: 151 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 68 Number of LACNIC addresses announced to Internet: 44819712 Equivalent to 2 /8s, 171 /16s and 229 /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: 3286 Total AfriNIC prefixes after maximum aggregation: 1103 AfriNIC Deaggregation factor: 2.98 Prefixes being announced from the AfriNIC address blocks: 2379 Unique aggregates announced from the AfriNIC address blocks: 1392 AfriNIC Region origin ASes present in the Internet Routing Table: 215 AfriNIC Prefixes per ASN: 11.07 AfriNIC Region origin ASes announcing only one prefix: 71 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 7629824 Equivalent to 0 /8s, 116 /16s and 108 /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 2761 2974 36 China Education and Research 4755 1474 383 68 Videsh Sanchar Nigam Ltd. Aut 9583 1110 108 15 Sify Limited 4134 1097 11539 298 CHINANET-BACKBONE 9498 1010 550 66 BHARTI BT INTERNET LTD. 23577 913 34 787 Korea Telecom (ATM-MPLS) 17488 872 56 70 Hathway IP Over Cable Interne 4766 815 5473 327 Korea Telecom (KIX) 7545 721 159 120 TPG Internet Pty Ltd 18101 608 119 52 Reliance Infocom Ltd Internet 1221 595 1951 439 Telstra Pty Ltd 9829 530 1312 9 BSNL National Internet Backbo 4812 522 858 79 China Telecom (Shanghai) 4668 520 68 10 LG-EDS Systems Inc. 17676 504 10919 64 Softbank BB Corp. 4808 500 797 121 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 702 472 1919 385 UUNET - Commercial IP service 8551 348 334 33 Bezeq International 9116 336 168 28 Goldenlines main autonomous s 3301 317 1441 294 TeliaNet Sweden 3320 316 6035 263 Deutsche Telekom AG 1273 282 307 106 Cable & Wireless Deutschland 6746 276 130 253 Dynamic Network Technologies, 8708 273 421 244 Romania Data Systems S.A. 680 268 2045 254 DFN-IP service G-WiN 8866 267 62 25 Bulgarian Telecommunication C 3215 264 2504 99 France Telecom Transpac 8220 258 445 238 COLT Telecommunications 5089 237 1658 55 NTL Group Limited 3352 234 1932 41 Ibernet, Internet Access Netw 3269 228 2935 75 TELECOM ITALIA 8452 213 188 7 TEDATA 9121 209 1442 25 TTnet Autonomous System 3300 208 172 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 1490 6121 998 AT&T WorldNet Services 4323 1348 1010 356 Time Warner Telecom 2386 1241 628 753 AT&T Data Communications Serv 11492 1160 119 41 Cable One 6478 1117 328 198 AT&T Worldnet Services 6197 1032 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 992 6803 847 Cogent Communications 7011 966 288 558 Citizens Utilities 701 893 6568 699 UUNET Technologies, Inc. 20115 848 774 465 Charter Communications 3561 818 2325 380 Savvis 22773 800 2133 54 Cox Communications, Inc. 19262 796 2854 187 Verizon Global Networks 1239 790 2711 552 Sprint 3356 764 10899 401 Level 3 Communications, LLC 209 733 3784 576 Qwest 5668 663 176 17 CenturyTel Internet Holdings, 577 594 844 209 Bell Advanced Communications 852 593 1109 358 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1474 1406 Videsh Sanchar Nigam Ltd. Aut 11492 1160 1119 Cable One 9583 1110 1095 Sify Limited 18566 1028 1019 Covad Communications 4323 1348 992 Time Warner Telecom 9498 1010 944 BHARTI BT INTERNET LTD. 6478 1117 919 AT&T Worldnet Services 8151 1050 829 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 721 601 TPG Internet Pty Ltd 18101 608 556 Reliance Infocom Ltd Internet 6517 591 556 Yipes Communications, Inc. 6197 1032 524 BellSouth Network Solutions, 19916 569 522 OLM LLC 9829 530 521 BSNL National Internet Backbo 4668 520 510 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65500 PRIVATE 41.223.156.0/22 11259 Angola Telecom 64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L 65500 PRIVATE 66.110.112.0/24 11259 Angola Telecom 65500 PRIVATE 66.110.113.0/24 11259 Angola Telecom 65500 PRIVATE 66.110.121.0/24 11259 Angola Telecom 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 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 172.33.1.0/24 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 /15:960 /16:9807 /17:4268 /18:6811 /19:14822 /20:17701 /21:15871 /22:20238 /23:21256 /24:126517 /25:920 /26:1139 /27:628 /28:273 /29:194 /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 948 1110 Sify Limited 2386 932 1241 AT&T Data Communications Serv 4538 932 2761 China Education and Research 23577 904 913 Korea Telecom (ATM-MPLS) 7011 853 966 Citizens Utilities 4755 844 1474 Videsh Sanchar Nigam Ltd. Aut 7018 820 1490 AT&T WorldNet Services 6197 776 1032 BellSouth Network Solutions, 9498 698 1010 BHARTI BT INTERNET LTD. 17488 687 872 Hathway IP Over Cable Interne 4766 606 815 Korea Telecom (KIX) 4323 568 1348 Time Warner Telecom 19916 564 569 OLM LLC 6517 545 591 Yipes Communications, Inc. 5668 521 663 CenturyTel Internet Holdings, 4668 510 520 LG-EDS Systems Inc. 18101 509 608 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:88 12:1811 13:1 15:19 16:3 17:6 18:13 20:36 24:1013 25:1 32:174 33:3 38:359 40:64 41:339 43:6 44:2 47:8 52:3 55:3 56:3 57:42 58:508 59:424 60:381 61:988 62:993 63:1995 64:3385 65:2436 66:3638 67:849 68:678 69:2005 70:480 71:120 72:1413 73:6 74:744 75:320 76:158 77:407 78:258 79:8 80:870 81:800 82:606 83:362 84:644 85:824 86:337 87:585 88:285 89:1029 90:39 91:705 92:4 96:1 97:6 98:10 116:421 117:203 118:42 121:328 122:636 123:205 124:703 125:1035 128:306 129:196 130:138 131:367 132:60 133:9 134:194 135:34 136:188 137:86 138:156 139:105 140:516 141:145 142:371 143:254 144:316 145:46 146:327 147:130 148:549 149:189 150:114 151:137 152:95 153:121 154:12 155:261 156:162 157:225 158:159 159:191 160:142 161:99 162:190 163:184 164:504 165:401 166:302 167:307 168:503 169:124 170:415 171:22 172:4 189:102 190:1220 192:5750 193:4030 194:3291 195:2561 196:975 198:3888 199:3231 200:5220 201:1221 202:7850 203:7811 204:3992 205:2017 206:2445 207:2827 208:2944 209:3611 210:2814 211:1207 212:1323 213:1539 214:418 215:44 216:4154 217:1206 218:393 219:464 220:1015 221:410 222:309
End of report
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