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Routing Table Report 00:00 GMT Thu 01 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/2007/11/01
Analysis Summary ----------------
BGP routing table entries examined: 243023 Prefixes after maximum aggregation: 122847 Deaggregation factor: 1.98 Unique aggregates announced to Internet: 114282 Total ASes present in the Internet Routing Table: 26654 Prefixes per ASN: 9.12 Origin-only ASes present in the Internet Routing Table: 23146 Origin ASes announcing only one prefix: 11273 Transit ASes present in the Internet Routing Table: 3508 Transit-only ASes present in the Internet Routing Table: 80 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: 44 Unregistered ASNs in the Routing Table: 13 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: 1785729796 Equivalent to 106 /8s, 112 /16s and 19 /24s Percentage of available address space announced: 48.2 Percentage of allocated address space announced: 61.6 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 113221
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 58544 Total APNIC prefixes after maximum aggregation: 20934 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 55362 Unique aggregates announced from the APNIC address blocks: 21942 APNIC Region origin ASes present in the Internet Routing Table: 3090 APNIC Prefixes per ASN: 17.92 APNIC Region origin ASes announcing only one prefix: 799 APNIC Region transit ASes present in the Internet Routing Table: 473 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 323692500 Equivalent to 19 /8s, 75 /16s and 39 /24s Percentage of available APNIC address space announced: 74.0
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: 112944 Total ARIN prefixes after maximum aggregation: 64290 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 83280 Unique aggregates announced from the ARIN address blocks: 32545 ARIN Region origin ASes present in the Internet Routing Table: 11935 ARIN Prefixes per ASN: 6.98 ARIN Region origin ASes announcing only one prefix: 4594 ARIN Region transit ASes present in the Internet Routing Table: 1137 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 349890144 Equivalent to 20 /8s, 218 /16s and 230 /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: 50457 Total RIPE prefixes after maximum aggregation: 31945 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 47405 Unique aggregates announced from the RIPE address blocks: 30584 RIPE Region origin ASes present in the Internet Routing Table: 10464 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 5533 RIPE Region transit ASes present in the Internet Routing Table: 1663 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 335050784 Equivalent to 19 /8s, 248 /16s and 120 /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: 17726 Total LACNIC prefixes after maximum aggregation: 4562 LACNIC Deaggregation factor: 3.89 Prefixes being announced from the LACNIC address blocks: 15675 Unique aggregates announced from the LACNIC address blocks: 8716 LACNIC Region origin ASes present in the Internet Routing Table: 871 LACNIC Prefixes per ASN: 18.00 LACNIC Region origin ASes announcing only one prefix: 277 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: 67 Number of LACNIC addresses announced to Internet: 45825280 Equivalent to 2 /8s, 187 /16s and 61 /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: 3299 Total AfriNIC prefixes after maximum aggregation: 1098 AfriNIC Deaggregation factor: 3.00 Prefixes being announced from the AfriNIC address blocks: 2385 Unique aggregates announced from the AfriNIC address blocks: 1397 AfriNIC Region origin ASes present in the Internet Routing Table: 213 AfriNIC Prefixes per ASN: 11.20 AfriNIC Region origin ASes announcing only one prefix: 70 AfriNIC Region transit ASes present in the Internet Routing Table: 39 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 7606016 Equivalent to 0 /8s, 116 /16s and 15 /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 2768 2974 36 China Education and Research 4755 1475 383 68 Videsh Sanchar Nigam Ltd. Aut 9583 1110 108 15 Sify Limited 4134 1097 11539 298 CHINANET-BACKBONE 9498 1016 549 64 BHARTI BT INTERNET LTD. 23577 914 34 788 Korea Telecom (ATM-MPLS) 17488 874 57 69 Hathway IP Over Cable Interne 4766 815 5473 327 Korea Telecom (KIX) 7545 722 159 121 TPG Internet Pty Ltd 18101 609 119 53 Reliance Infocom Ltd Internet 1221 594 1951 438 Telstra Pty Ltd 9829 530 1312 9 BSNL National Internet Backbo 4812 524 866 77 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 485 133 139 Wantree Development 7474 456 202 267 SingTel Optus Pty Ltd 9443 442 121 73 Primus Telecommunications 9942 409 74 101 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 3301 316 1441 293 TeliaNet Sweden 3320 315 6035 262 Deutsche Telekom AG 1273 283 307 107 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 267 62 25 Bulgarian Telecommunication C 3215 264 2504 99 France Telecom Transpac 8220 256 444 237 COLT Telecommunications 5089 236 1658 54 NTL Group Limited 3352 235 1932 41 Ibernet, Internet Access Netw 3269 228 2935 75 TELECOM ITALIA 9121 213 1442 25 TTnet Autonomous System 3300 208 172 97 AUCS Communications Services 1257 207 1195 177 SWIPnet Swedish IP Network 8452 207 188 7 TEDATA 3246 200 257 187 Song Networks
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1497 10217 998 AT&T WorldNet Services 4323 1358 1010 360 Time Warner Telecom 2386 1243 628 755 AT&T Data Communications Serv 11492 1159 119 47 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 6850 845 Cogent Communications 7011 980 290 562 Citizens Utilities 701 894 6568 700 UUNET Technologies, Inc. 20115 846 773 456 Charter Communications 3561 816 2341 379 Savvis 22773 800 2133 54 Cox Communications, Inc. 19262 798 2857 187 Verizon Global Networks 1239 794 2703 553 Sprint 3356 768 10899 402 Level 3 Communications, LLC 209 732 3784 575 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 1475 1407 Videsh Sanchar Nigam Ltd. Aut 11492 1159 1112 Cable One 9583 1110 1095 Sify Limited 18566 1028 1019 Covad Communications 4323 1358 998 Time Warner Telecom 9498 1016 952 BHARTI BT INTERNET LTD. 8151 1160 940 UniNet S.A. de C.V. 6478 1117 919 AT&T Worldnet Services 17488 874 805 Hathway IP Over Cable Interne 4134 1097 799 CHINANET-BACKBONE 22773 800 746 Cox Communications, Inc. 5668 663 646 CenturyTel Internet Holdings, 19262 798 611 Verizon Global Networks 7545 722 601 TPG Internet Pty Ltd 6517 592 557 Yipes Communications, Inc. 18101 609 556 Reliance Infocom Ltd Internet 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 64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L 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 172.33.1.0/24 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 /16:9815 /17:4275 /18:6812 /19:14928 /20:17694 /21:15876 /22:20216 /23:21274 /24:126692 /25:928 /26:1141 /27:630 /28:274 /29:194 /30:266 /31:0 /32:71
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1150 1159 Cable One 6478 1116 1117 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 948 1110 Sify Limited 2386 934 1243 AT&T Data Communications Serv 4538 932 2768 China Education and Research 23577 905 914 Korea Telecom (ATM-MPLS) 7011 867 980 Citizens Utilities 4755 845 1475 Videsh Sanchar Nigam Ltd. Aut 7018 825 1497 AT&T WorldNet Services 6197 776 1032 BellSouth Network Solutions, 9498 703 1016 BHARTI BT INTERNET LTD. 17488 689 874 Hathway IP Over Cable Interne 4766 606 815 Korea Telecom (KIX) 4323 573 1358 Time Warner Telecom 19916 564 569 OLM LLC 6517 546 592 Yipes Communications, Inc. 5668 521 663 CenturyTel Internet Holdings, 4668 510 520 LG-EDS Systems Inc. 18101 509 609 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:88 12:1814 13:1 15:19 16:3 17:6 18:13 20:35 24:1013 25:1 32:175 33:3 38:359 40:64 41:335 43:6 44:2 47:8 52:3 55:3 56:3 57:42 58:508 59:424 60:382 61:992 62:994 63:2002 64:3386 65:2433 66:3645 67:853 68:678 69:1989 70:482 71:120 72:1409 73:6 74:748 75:320 76:158 77:413 78:263 79:8 80:871 81:824 82:602 83:360 84:647 85:833 86:378 87:583 88:284 89:1059 90:39 91:708 92:4 96:1 97:6 98:11 116:421 117:202 118:42 121:333 122:635 123:205 124:708 125:1038 128:306 129:196 130:137 131:366 132:60 133:9 134:193 135:34 136:189 137:86 138:156 139:105 140:513 141:144 142:372 143:256 144:316 145:46 146:328 147:130 148:534 149:189 150:112 151:137 152:95 153:121 154:12 155:261 156:162 157:225 158:159 159:195 160:142 161:100 162:189 163:175 164:505 165:399 166:302 167:308 168:502 169:126 170:420 171:22 172:4 189:103 190:1216 192:5761 193:4017 194:3288 195:2556 196:990 198:3886 199:3229 200:5231 201:1228 202:7869 203:7804 204:3984 205:2017 206:2443 207:2812 208:2943 209:3624 210:2828 211:1207 212:1338 213:1544 214:417 215:43 216:4165 217:1206 218:393 219:464 220:1019 221:408 222:309
End of report
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