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Routing Table Report 00:00 GMT Thu 27 Sep, 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/2007/09/27
Analysis Summary ----------------
BGP routing table entries examined: 239331 Prefixes after maximum aggregation: 121815 Deaggregation factor: 1.96 Unique aggregates announced to Internet: 113158 Total ASes present in the Internet Routing Table: 26367 Prefixes per ASN: 9.08 Origin-only ASes present in the Internet Routing Table: 22779 Origin ASes announcing only one prefix: 11126 Transit ASes present in the Internet Routing Table: 3588 Transit-only ASes present in the Internet Routing Table: 87 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 29 Max AS path prepend of ASN (23775) 25 Prefixes from unregistered ASNs in the Routing Table: 43 Unregistered ASNs in the Routing Table: 18 Prefixes from 32-bit ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1786809148 Equivalent to 106 /8s, 128 /16s and 139 /24s Percentage of available address space announced: 48.2 Percentage of allocated address space announced: 63.1 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 127443
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 57802 Total APNIC prefixes after maximum aggregation: 21205 APNIC Deaggregation factor: 2.73 Prefixes being announced from the APNIC address blocks: 54636 Unique aggregates announced from the APNIC address blocks: 22787 APNIC Region origin ASes present in the Internet Routing Table: 3072 APNIC Prefixes per ASN: 17.79 APNIC Region origin ASes announcing only one prefix: 804 APNIC Region transit ASes present in the Internet Routing Table: 481 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 29 Number of APNIC addresses announced to Internet: 319581620 Equivalent to 19 /8s, 12 /16s and 109 /24s Percentage of available APNIC address space announced: 79.2
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, 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: 111700 Total ARIN prefixes after maximum aggregation: 63671 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 82181 Unique aggregates announced from the ARIN address blocks: 32039 ARIN Region origin ASes present in the Internet Routing Table: 11856 ARIN Prefixes per ASN: 6.93 ARIN Region origin ASes announcing only one prefix: 4531 ARIN Region transit ASes present in the Internet Routing Table: 1158 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 346107296 Equivalent to 20 /8s, 161 /16s and 45 /24s Percentage of available ARIN address space announced: 76.4
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: 49922 Total RIPE prefixes after maximum aggregation: 31373 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 46290 Unique aggregates announced from the RIPE address blocks: 29919 RIPE Region origin ASes present in the Internet Routing Table: 10277 RIPE Prefixes per ASN: 4.50 RIPE Region origin ASes announcing only one prefix: 5449 RIPE Region transit ASes present in the Internet Routing Table: 1700 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 329415104 Equivalent to 19 /8s, 162 /16s and 121 /24s Percentage of available RIPE address space announced: 75.5
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: 17084 Total LACNIC prefixes after maximum aggregation: 4496 LACNIC Deaggregation factor: 3.80 Prefixes being announced from the LACNIC address blocks: 15178 Unique aggregates announced from the LACNIC address blocks: 8155 LACNIC Region origin ASes present in the Internet Routing Table: 868 LACNIC Prefixes per ASN: 17.49 LACNIC Region origin ASes announcing only one prefix: 274 LACNIC Region transit ASes present in the Internet Routing Table: 148 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 43132416 Equivalent to 2 /8s, 146 /16s and 38 /24s Percentage of available LACNIC address space announced: 64.3
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 2770 Total AfriNIC prefixes after maximum aggregation: 1050 AfriNIC Deaggregation factor: 2.64 Prefixes being announced from the AfriNIC address blocks: 2360 Unique aggregates announced from the AfriNIC address blocks: 1365 AfriNIC Region origin ASes present in the Internet Routing Table: 206 AfriNIC Prefixes per ASN: 11.46 AfriNIC Region origin ASes announcing only one prefix: 68 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 7461632 Equivalent to 0 /8s, 113 /16s and 219 /24s Percentage of available AfriNIC address space announced: 22.2
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 2741 2974 36 China Education and Research 4755 1362 383 66 Videsh Sanchar Nigam Ltd. Aut 9583 1119 81 417 Sify Limited 4134 1079 11348 295 CHINANET-BACKBONE 9498 997 532 63 BHARTI BT INTERNET LTD. 23577 925 34 793 Korea Telecom (ATM-MPLS) 17488 816 53 61 Hathway IP Over Cable Interne 4766 809 5441 321 Korea Telecom (KIX) 7545 735 159 117 TPG Internet Pty Ltd 18101 603 119 51 Reliance Infocom Ltd Internet 1221 589 1950 434 Telstra Pty Ltd 4802 579 132 148 Wantree Development 4812 547 974 94 China Telecom (Shanghai) 9829 531 1313 10 BSNL National Internet Backbo 4668 517 68 10 LG-EDS Systems Inc. 17676 502 10903 63 Softbank BB Corp. 4808 488 780 117 CNCGROUP IP network: China169 9443 468 122 78 Primus Telecommunications 7474 458 218 269 SingTel Optus Pty Ltd 9942 421 74 111 COMindico Australia
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 490 1905 392 UUNET - Commercial IP service 24863 370 57 36 LINKdotNET AS number 8551 351 334 33 Bezeq International 9116 348 168 27 Goldenlines main autonomous s 5089 324 1658 54 NTL Group Limited 3301 320 1458 297 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 6746 290 131 266 Dynamic Network Technologies, 1273 276 306 103 Cable & Wireless Deutschland 680 269 2045 257 DFN-IP service G-WiN 8866 267 62 22 Bulgarian Telecommunication C 8708 262 421 242 Romania Data Systems S.A. 3215 261 2456 98 France Telecom Transpac 8220 257 444 239 COLT Telecommunications 3352 228 1882 40 Ibernet, Internet Access Netw 3269 223 2839 73 TELECOM ITALIA 9121 217 1442 25 TTnet Autonomous System 3300 207 172 100 AUCS Communications Services 1257 205 1195 169 SWIPnet Swedish IP Network 3292 196 1380 176 TDC Tele Danmark
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1481 10194 996 AT&T WorldNet Services 4323 1354 991 366 Time Warner Telecom 2386 1217 620 740 AT&T Data Communications Serv 11492 1147 113 17 Cable One 6478 1132 328 132 AT&T Worldnet Services 6197 1031 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 970 6779 848 Cogent Communications 7011 941 286 559 Citizens Utilities 701 870 6557 678 UUNET Technologies, Inc. 20115 828 760 439 Charter Communications 1239 799 2712 562 Sprint 19262 780 2765 192 Verizon Global Networks 22773 776 2149 52 Cox Communications, Inc. 209 731 3818 576 Qwest 577 704 845 205 Bell Advanced Communications 3356 665 10820 366 Level 3 Communications, LLC 5668 656 176 23 CenturyTel Internet Holdings, 6517 594 165 36 Yipes Communications, Inc. 852 589 1093 357 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1362 1296 Videsh Sanchar Nigam Ltd. Aut 11492 1147 1130 Cable One 18566 1028 1019 Covad Communications 6478 1132 1000 AT&T Worldnet Services 4323 1354 988 Time Warner Telecom 9498 997 934 BHARTI BT INTERNET LTD. 4134 1079 784 CHINANET-BACKBONE 8151 994 783 UniNet S.A. de C.V. 17488 816 755 Hathway IP Over Cable Interne 22773 776 724 Cox Communications, Inc. 9583 1119 702 Sify Limited 5668 656 633 CenturyTel Internet Holdings, 7545 735 618 TPG Internet Pty Ltd 19262 780 588 Verizon Global Networks 6517 594 558 Yipes Communications, Inc. 18101 603 552 Reliance Infocom Ltd Internet 15270 580 542 PaeTec.net -a division of Pae 6197 1031 523 BellSouth Network Solutions, 9829 531 521 BSNL National Internet Backbo 19916 568 517 OLM LLC
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 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom 65500 PRIVATE 192.239.84.0/24 10886 University of Maryla 65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans 64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In 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 64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In 64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In 65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In 65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw 65000 PRIVATE 199.133.62.0/24 10886 University of Maryla 65000 PRIVATE 199.133.63.0/24 10886 University of Maryla 65501 PRIVATE 202.153.21.0/24 23666 PT Sistelindo Mitral 64588 PRIVATE 207.107.179.0/24 2491 fONOROLA 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 192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous 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 /8:19 /9:9 /10:16 /11:37 /12:136 /13:269 /14:477 /15:931 /16:9730 /17:4197 /18:6772 /19:14402 /20:17563 /21:15448 /22:20018 /23:20843 /24:125037 /25:870 /26:1143 /27:628 /28:261 /29:187 /30:266 /31:0 /32:72
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1139 1147 Cable One 6478 1131 1132 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 963 1119 Sify Limited 4538 920 2741 China Education and Research 23577 916 925 Korea Telecom (ATM-MPLS) 2386 909 1217 AT&T Data Communications Serv 7011 831 941 Citizens Utilities 7018 823 1481 AT&T WorldNet Services 6197 784 1031 BellSouth Network Solutions, 4755 755 1362 Videsh Sanchar Nigam Ltd. Aut 9498 678 997 BHARTI BT INTERNET LTD. 17488 639 816 Hathway IP Over Cable Interne 4766 607 809 Korea Telecom (KIX) 4323 582 1354 Time Warner Telecom 19916 563 568 OLM LLC 6517 559 594 Yipes Communications, Inc. 15270 544 580 PaeTec.net -a division of Pae 5668 521 656 CenturyTel Internet Holdings, 4668 507 517 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:83 12:1803 13:2 15:20 16:3 17:3 18:13 20:36 24:993 25:1 32:177 33:3 38:351 40:61 41:317 43:6 44:2 47:4 52:4 55:3 56:3 57:42 58:503 59:417 60:372 61:1004 62:997 63:2021 64:3281 65:2434 66:3535 67:829 68:679 69:1986 70:469 71:118 72:1433 73:5 74:681 75:306 76:137 77:366 78:192 79:3 80:835 81:836 82:590 83:382 84:637 85:828 86:346 87:569 88:285 89:998 90:40 91:592 97:6 98:1 101:1 116:369 117:160 118:19 121:303 122:595 123:185 124:677 125:1007 128:272 129:214 130:137 131:365 132:54 133:9 134:197 135:33 136:188 137:86 138:151 139:107 140:503 141:174 142:409 143:255 144:312 145:47 146:332 147:125 148:418 149:167 150:108 151:157 152:92 153:118 154:12 155:256 156:162 157:219 158:159 159:175 160:133 161:104 162:174 163:182 164:493 165:396 166:299 167:297 168:502 169:123 170:385 171:22 172:2 189:75 190:1165 192:5768 193:3993 194:3273 195:2398 196:1028 198:3915 199:3228 200:5302 201:1219 202:7780 203:7923 204:3968 205:2005 206:2487 207:2927 208:2871 209:3500 210:2780 211:1214 212:1329 213:1495 214:421 215:45 216:4066 217:1208 218:387 219:439 220:1012 221:419 222:305
End of report
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