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Routing Table Report 00:00 GMT Wed 26 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/2007/09/26
Analysis Summary ----------------
BGP routing table entries examined: 239090 Prefixes after maximum aggregation: 121457 Deaggregation factor: 1.97 Unique aggregates announced to Internet: 112047 Total ASes present in the Internet Routing Table: 26337 Prefixes per ASN: 9.08 Origin-only ASes present in the Internet Routing Table: 22875 Origin ASes announcing only one prefix: 11120 Transit ASes present in the Internet Routing Table: 3462 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 24 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 42 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: 1785462844 Equivalent to 106 /8s, 108 /16s and 0 /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: 127299
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 57775 Total APNIC prefixes after maximum aggregation: 20800 APNIC Deaggregation factor: 2.78 Prefixes being announced from the APNIC address blocks: 54614 Unique aggregates announced from the APNIC address blocks: 21683 APNIC Region origin ASes present in the Internet Routing Table: 3059 APNIC Prefixes per ASN: 17.85 APNIC Region origin ASes announcing only one prefix: 798 APNIC Region transit ASes present in the Internet Routing Table: 474 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 319091124 Equivalent to 19 /8s, 4 /16s and 241 /24s Percentage of available APNIC address space announced: 79.0
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, 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: 111610 Total ARIN prefixes after maximum aggregation: 63726 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 82124 Unique aggregates announced from the ARIN address blocks: 32051 ARIN Region origin ASes present in the Internet Routing Table: 11847 ARIN Prefixes per ASN: 6.93 ARIN Region origin ASes announcing only one prefix: 4517 ARIN Region transit ASes present in the Internet Routing Table: 1119 Average ARIN Region AS path length visible: 3.1 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 346034848 Equivalent to 20 /8s, 160 /16s and 18 /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: 49859 Total RIPE prefixes after maximum aggregation: 31352 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 46216 Unique aggregates announced from the RIPE address blocks: 29924 RIPE Region origin ASes present in the Internet Routing Table: 10279 RIPE Prefixes per ASN: 4.50 RIPE Region origin ASes announcing only one prefix: 5458 RIPE Region transit ASes present in the Internet Routing Table: 1644 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 328887488 Equivalent to 19 /8s, 154 /16s and 108 /24s Percentage of available RIPE address space announced: 75.4
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: 17023 Total LACNIC prefixes after maximum aggregation: 4504 LACNIC Deaggregation factor: 3.78 Prefixes being announced from the LACNIC address blocks: 15157 Unique aggregates announced from the LACNIC address blocks: 8148 LACNIC Region origin ASes present in the Internet Routing Table: 869 LACNIC Prefixes per ASN: 17.44 LACNIC Region origin ASes announcing only one prefix: 279 LACNIC Region transit ASes present in the Internet Routing Table: 145 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 43020032 Equivalent to 2 /8s, 144 /16s and 111 /24s Percentage of available LACNIC address space announced: 64.1
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: 2771 Total AfriNIC prefixes after maximum aggregation: 1055 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 2367 Unique aggregates announced from the AfriNIC address blocks: 1361 AfriNIC Region origin ASes present in the Internet Routing Table: 204 AfriNIC Prefixes per ASN: 11.60 AfriNIC Region origin ASes announcing only one prefix: 68 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: 15 Number of AfriNIC addresses announced to Internet: 7458304 Equivalent to 0 /8s, 113 /16s and 206 /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 2740 2974 36 China Education and Research 4755 1360 382 66 Videsh Sanchar Nigam Ltd. Aut 9583 1133 108 16 Sify Limited 4134 1077 11220 293 CHINANET-BACKBONE 9498 992 532 62 BHARTI BT INTERNET LTD. 23577 924 34 793 Korea Telecom (ATM-MPLS) 17488 812 53 60 Hathway IP Over Cable Interne 4766 809 5441 321 Korea Telecom (KIX) 7545 731 159 117 TPG Internet Pty Ltd 18101 601 119 50 Reliance Infocom Ltd Internet 1221 593 1950 436 Telstra Pty Ltd 4802 580 132 148 Wantree Development 4812 547 974 94 China Telecom (Shanghai) 9829 530 1312 9 BSNL National Internet Backbo 4668 517 68 10 LG-EDS Systems Inc. 17676 502 10903 63 Softbank BB Corp. 4808 484 775 114 CNCGROUP IP network: China169 9443 468 122 78 Primus Telecommunications 7474 460 218 271 SingTel Optus Pty Ltd 9942 429 75 112 COMindico Australia
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 491 1921 393 UUNET - Commercial IP service 24863 371 58 37 LINKdotNET AS number 8551 351 334 33 Bezeq International 9116 349 168 27 Goldenlines main autonomous s 5089 324 1658 54 NTL Group Limited 3301 319 1457 296 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 6746 290 131 266 Dynamic Network Technologies, 1273 279 306 104 Cable & Wireless Deutschland 680 269 2045 257 DFN-IP service G-WiN 8866 268 62 22 Bulgarian Telecommunication C 8708 263 421 242 Romania Data Systems S.A. 3215 261 2456 98 France Telecom Transpac 8220 255 440 237 COLT Telecommunications 3352 228 1882 40 Ibernet, Internet Access Netw 3269 223 2839 73 TELECOM ITALIA 9121 217 1442 25 TTnet Autonomous System 1257 206 1195 171 SWIPnet Swedish IP Network 3300 206 172 99 AUCS Communications Services 3292 196 1380 176 TDC Tele Danmark
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1484 10211 992 AT&T WorldNet Services 4323 1348 991 362 Time Warner Telecom 2386 1217 620 740 AT&T Data Communications Serv 11492 1152 113 17 Cable One 6478 1131 328 136 AT&T Worldnet Services 6197 1032 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 963 6779 850 Cogent Communications 7011 939 285 557 Citizens Utilities 701 875 6573 683 UUNET Technologies, Inc. 20115 828 760 439 Charter Communications 1239 803 2713 563 Sprint 19262 779 2763 191 Verizon Global Networks 22773 775 2149 51 Cox Communications, Inc. 209 742 3818 585 Qwest 577 713 829 204 Bell Advanced Communications 3356 666 10820 368 Level 3 Communications, LLC 5668 655 176 23 CenturyTel Internet Holdings, 6517 593 165 36 Yipes Communications, Inc. 852 590 1093 358 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1360 1294 Videsh Sanchar Nigam Ltd. Aut 11492 1152 1135 Cable One 9583 1133 1117 Sify Limited 18566 1028 1019 Covad Communications 6478 1131 995 AT&T Worldnet Services 4323 1348 986 Time Warner Telecom 9498 992 930 BHARTI BT INTERNET LTD. 8151 1005 793 UniNet S.A. de C.V. 4134 1077 784 CHINANET-BACKBONE 17488 812 752 Hathway IP Over Cable Interne 22773 775 724 Cox Communications, Inc. 5668 655 632 CenturyTel Internet Holdings, 7545 731 614 TPG Internet Pty Ltd 19262 779 588 Verizon Global Networks 6517 593 557 Yipes Communications, Inc. 18101 601 551 Reliance Infocom Ltd Internet 15270 580 542 PaeTec.net -a division of Pae 6197 1032 524 BellSouth Network Solutions, 9829 530 521 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 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 /13:267 /14:477 /15:931 /16:9725 /17:4200 /18:6764 /19:14419 /20:17537 /21:15440 /22:19999 /23:20847 /24:124870 /25:848 /26:1143 /27:627 /28:257 /29:185 /30:265 /31:0 /32:72
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1144 1152 Cable One 6478 1130 1131 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 968 1133 Sify Limited 4538 920 2740 China Education and Research 23577 915 924 Korea Telecom (ATM-MPLS) 2386 909 1217 AT&T Data Communications Serv 7011 829 939 Citizens Utilities 7018 829 1484 AT&T WorldNet Services 6197 785 1032 BellSouth Network Solutions, 4755 755 1360 Videsh Sanchar Nigam Ltd. Aut 9498 677 992 BHARTI BT INTERNET LTD. 17488 635 812 Hathway IP Over Cable Interne 4766 607 809 Korea Telecom (KIX) 4323 580 1348 Time Warner Telecom 19916 563 568 OLM LLC 6517 558 593 Yipes Communications, Inc. 15270 544 580 PaeTec.net -a division of Pae 5668 520 655 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 20:37 24:995 25:1 32:177 33:3 38:350 40:61 41:316 43:6 44:2 47:4 52:4 55:3 56:3 57:42 58:520 59:416 60:373 61:1004 62:999 63:2019 64:3279 65:2431 66:3525 67:831 68:679 69:1990 70:469 71:117 72:1435 73:5 74:679 75:306 76:131 77:365 78:159 79:3 80:834 81:837 82:591 83:382 84:641 85:829 86:344 87:569 88:285 89:1003 90:24 91:581 97:6 101:1 116:363 117:160 118:19 121:305 122:612 123:194 124:675 125:1006 128:271 129:214 130:137 131:367 132:53 133:9 134:196 135:34 136:188 137:87 138:155 139:107 140:501 141:174 142:402 143:254 144:310 145:47 146:331 147:125 148:418 149:167 150:108 151:166 152:92 153:118 154:4 155:255 156:162 157:205 158:160 159:168 160:134 161:103 162:175 163:183 164:493 165:397 166:299 167:296 168:502 169:123 170:373 171:22 172:2 189:74 190:1155 192:5775 193:3979 194:3273 195:2401 196:1029 198:3912 199:3228 200:5313 201:1211 202:7744 203:7903 204:3965 205:2010 206:2470 207:2923 208:2869 209:3510 210:2783 211:1217 212:1306 213:1525 214:409 215:44 216:4039 217:1208 218:388 219:440 220:1019 221:420 222:306
End of report
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