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Routing Table Report 00:00 GMT Mon 12 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/2007/11/12
Analysis Summary ----------------
BGP routing table entries examined: 244912 Prefixes after maximum aggregation: 123360 Deaggregation factor: 1.99 Unique aggregates announced to Internet: 115712 Total ASes present in the Internet Routing Table: 26694 Prefixes per ASN: 9.17 Origin-only ASes present in the Internet Routing Table: 23146 Origin ASes announcing only one prefix: 11280 Transit ASes present in the Internet Routing Table: 3548 Transit-only ASes present in the Internet Routing Table: 91 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 28 Max AS path prepend of ASN (35389) 25 Prefixes from unregistered ASNs in the Routing Table: 24 Unregistered ASNs in the Routing Table: 11 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1790172464 Equivalent to 106 /8s, 179 /16s and 221 /24s Percentage of available address space announced: 48.3 Percentage of allocated address space announced: 61.8 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 114356
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 59473 Total APNIC prefixes after maximum aggregation: 21369 APNIC Deaggregation factor: 2.78 Prefixes being announced from the APNIC address blocks: 56264 Unique aggregates announced from the APNIC address blocks: 23152 APNIC Region origin ASes present in the Internet Routing Table: 3088 APNIC Prefixes per ASN: 18.22 APNIC Region origin ASes announcing only one prefix: 795 APNIC Region transit ASes present in the Internet Routing Table: 478 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 324033980 Equivalent to 19 /8s, 80 /16s and 93 /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: 113406 Total ARIN prefixes after maximum aggregation: 64242 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 83648 Unique aggregates announced from the ARIN address blocks: 32712 ARIN Region origin ASes present in the Internet Routing Table: 11945 ARIN Prefixes per ASN: 7.00 ARIN Region origin ASes announcing only one prefix: 4596 ARIN Region transit ASes present in the Internet Routing Table: 1173 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 352905120 Equivalent to 21 /8s, 8 /16s and 231 /24s Percentage of available ARIN address space announced: 77.9
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: 50610 Total RIPE prefixes after maximum aggregation: 32017 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 47494 Unique aggregates announced from the RIPE address blocks: 30634 RIPE Region origin ASes present in the Internet Routing Table: 10479 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 5536 RIPE Region transit ASes present in the Internet Routing Table: 1650 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 335997604 Equivalent to 20 /8s, 6 /16s and 234 /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: 18041 Total LACNIC prefixes after maximum aggregation: 4606 LACNIC Deaggregation factor: 3.92 Prefixes being announced from the LACNIC address blocks: 15761 Unique aggregates announced from the LACNIC address blocks: 8687 LACNIC Region origin ASes present in the Internet Routing Table: 874 LACNIC Prefixes per ASN: 18.03 LACNIC Region origin ASes announcing only one prefix: 282 LACNIC Region transit ASes present in the Internet Routing Table: 150 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 46004736 Equivalent to 2 /8s, 189 /16s and 250 /24s Percentage of available LACNIC address space announced: 45.7
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: 3349 Total AfriNIC prefixes after maximum aggregation: 1108 AfriNIC Deaggregation factor: 3.02 Prefixes being announced from the AfriNIC address blocks: 2466 Unique aggregates announced from the AfriNIC address blocks: 1403 AfriNIC Region origin ASes present in the Internet Routing Table: 216 AfriNIC Prefixes per ASN: 11.42 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: 4.1 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 7649280 Equivalent to 0 /8s, 116 /16s and 184 /24s Percentage of available AfriNIC address space announced: 22.8
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 2775 2974 35 China Education and Research 4134 1721 11563 301 CHINANET-BACKBONE 4755 1482 383 69 Videsh Sanchar Nigam Ltd. Aut 9583 1101 81 418 Sify Limited 9498 1046 549 64 BHARTI BT INTERNET LTD. 23577 910 34 787 Korea Telecom (ATM-MPLS) 17488 879 57 70 Hathway IP Over Cable Interne 4766 816 5474 328 Korea Telecom (KIX) 7545 725 159 122 TPG Internet Pty Ltd 18101 608 119 52 Reliance Infocom Ltd Internet 1221 593 1951 438 Telstra Pty Ltd 9829 530 1312 9 BSNL National Internet Backbo 4812 524 866 77 China Telecom (Shanghai) 4668 521 68 10 LG-EDS Systems Inc. 17676 504 10919 64 Softbank BB Corp. 4808 497 793 119 CNCGROUP IP network: China169 4802 481 130 141 Wantree Development 7474 458 202 269 SingTel Optus Pty Ltd 9443 441 121 71 Primus Telecommunications 9942 422 76 111 COMindico Australia
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 469 1917 382 UUNET - Commercial IP service 9116 350 184 29 Goldenlines main autonomous s 8551 345 332 36 Bezeq International 3301 315 1441 292 TeliaNet Sweden 3320 315 6035 261 Deutsche Telekom AG 1273 278 306 105 Cable & Wireless Deutschland 6746 274 129 253 Dynamic Network Technologies, 8708 274 421 245 Romania Data Systems S.A. 680 268 2045 254 DFN-IP service G-WiN 8866 267 62 25 Bulgarian Telecommunication C 3215 263 2503 98 France Telecom Transpac 8220 255 444 236 COLT Telecommunications 8452 253 188 7 TEDATA 5089 238 1666 54 NTL Group Limited 3352 235 1932 41 Ibernet, Internet Access Netw 3269 228 2966 70 TELECOM ITALIA 3300 222 171 96 AUCS Communications Services 1257 207 1195 177 SWIPnet Swedish IP Network 5462 206 538 26 Telewest Broadband 9121 205 1442 25 TTnet Autonomous System
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1488 6137 995 AT&T WorldNet Services 4323 1359 1014 356 Time Warner Telecom 2386 1258 615 779 AT&T Data Communications Serv 11492 1167 121 47 Cable One 6478 1121 329 183 AT&T Worldnet Services 18566 1031 288 9 Covad Communications 6197 1029 691 518 BellSouth Network Solutions, 7011 982 290 565 Citizens Utilities 174 978 6866 842 Cogent Communications 701 899 6566 703 UUNET Technologies, Inc. 20115 845 773 467 Charter Communications 3356 818 10886 407 Level 3 Communications, LLC 3561 810 2340 372 Savvis 22773 808 2133 54 Cox Communications, Inc. 1239 801 2690 556 Sprint 19262 799 2878 181 Verizon Global Networks 209 733 3784 574 Qwest 5668 664 176 17 CenturyTel Internet Holdings, 15270 598 161 41 PaeTec.net -a division of Pae 852 595 1109 360 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1721 1420 CHINANET-BACKBONE 4755 1482 1413 Videsh Sanchar Nigam Ltd. Aut 11492 1167 1120 Cable One 18566 1031 1022 Covad Communications 4323 1359 1003 Time Warner Telecom 9498 1046 982 BHARTI BT INTERNET LTD. 8151 1160 945 UniNet S.A. de C.V. 6478 1121 938 AT&T Worldnet Services 17488 879 809 Hathway IP Over Cable Interne 22773 808 754 Cox Communications, Inc. 9583 1101 683 Sify Limited 5668 664 647 CenturyTel Internet Holdings, 19262 799 618 Verizon Global Networks 7545 725 603 TPG Internet Pty Ltd 15270 598 557 PaeTec.net -a division of Pae 18101 608 556 Reliance Infocom Ltd Internet 6517 586 553 Yipes Communications, Inc. 11830 539 530 Instituto Costarricense de El 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 65068 PRIVATE 79.171.184.0/21 43895 * 65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans 64718 PRIVATE 81.200.197.0/24 25325 AS of Deutsche Bahn 64718 PRIVATE 81.200.198.0/23 25325 AS of Deutsche Bahn 64719 PRIVATE 81.200.204.0/24 25325 AS of Deutsche Bahn 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans 64532 PRIVATE 195.22.48.64/27 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 65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In 65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In 65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In 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
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 /14:492 /15:962 /16:9809 /17:4300 /18:6944 /19:15070 /20:17853 /21:16079 /22:20374 /23:21382 /24:127502 /25:953 /26:1141 /27:619 /28:286 /29:238 /30:342 /31:0 /32:73
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1158 1167 Cable One 6478 1120 1121 AT&T Worldnet Services 18566 1013 1031 Covad Communications 2386 951 1258 AT&T Data Communications Serv 9583 946 1101 Sify Limited 4538 932 2775 China Education and Research 23577 901 910 Korea Telecom (ATM-MPLS) 7011 869 982 Citizens Utilities 4755 850 1482 Videsh Sanchar Nigam Ltd. Aut 7018 820 1488 AT&T WorldNet Services 6197 774 1029 BellSouth Network Solutions, 9498 730 1046 BHARTI BT INTERNET LTD. 17488 694 879 Hathway IP Over Cable Interne 4766 607 816 Korea Telecom (KIX) 4323 576 1359 Time Warner Telecom 19916 564 569 OLM LLC 15270 560 598 PaeTec.net -a division of Pae 4134 544 1721 CHINANET-BACKBONE 6517 542 586 Yipes Communications, Inc. 5668 522 664 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:90 12:1844 13:1 15:19 16:3 17:6 18:13 20:35 24:1021 25:1 32:174 33:3 38:361 40:64 41:397 43:6 44:2 47:8 52:3 55:3 56:3 57:43 58:521 59:433 60:384 61:1037 62:994 63:1989 64:3393 65:2440 66:3630 67:906 68:683 69:2020 70:484 71:119 72:1437 73:7 74:759 75:322 76:159 77:418 78:272 79:10 80:885 81:801 82:597 83:347 84:621 85:821 86:359 87:591 88:282 89:1018 90:38 91:735 92:5 96:2 97:6 98:9 116:434 117:224 118:44 121:339 122:646 123:209 124:707 125:1121 128:310 129:196 130:141 131:370 132:61 133:9 134:194 135:34 136:192 137:86 138:152 139:104 140:519 141:145 142:373 143:256 144:324 145:50 146:326 147:125 148:547 149:187 150:170 151:136 152:95 153:121 154:12 155:261 156:164 157:225 158:160 159:196 160:133 161:101 162:191 163:185 164:501 165:408 166:303 167:306 168:512 169:130 170:418 171:26 172:6 189:115 190:1201 192:5760 193:4070 194:3273 195:2562 196:987 198:3888 199:3233 200:5233 201:1250 202:7929 203:7901 204:3988 205:2008 206:2461 207:2815 208:2966 209:3630 210:2813 211:1206 212:1321 213:1546 214:418 215:44 216:4151 217:1200 218:426 219:468 220:1017 221:447 222:347
End of report
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