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Routing Table Report 00:00 GMT Sat 29 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/2007/09/29
Analysis Summary ----------------
BGP routing table entries examined: 239919 Prefixes after maximum aggregation: 121975 Deaggregation factor: 1.97 Unique aggregates announced to Internet: 113364 Total ASes present in the Internet Routing Table: 26377 Prefixes per ASN: 9.10 Origin-only ASes present in the Internet Routing Table: 22841 Origin ASes announcing only one prefix: 11140 Transit ASes present in the Internet Routing Table: 3536 Transit-only ASes present in the Internet Routing Table: 88 Average AS path length visible in the Internet Routing Table: 3.9 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: 17 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: 12 Number of addresses announced to Internet: 1788131404 Equivalent to 106 /8s, 148 /16s and 184 /24s Percentage of available address space announced: 48.2 Percentage of allocated address space announced: 63.2 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 127808
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 57897 Total APNIC prefixes after maximum aggregation: 21218 APNIC Deaggregation factor: 2.73 Prefixes being announced from the APNIC address blocks: 54733 Unique aggregates announced from the APNIC address blocks: 22789 APNIC Region origin ASes present in the Internet Routing Table: 3070 APNIC Prefixes per ASN: 17.83 APNIC Region origin ASes announcing only one prefix: 805 APNIC Region transit ASes present in the Internet Routing Table: 484 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 320002740 Equivalent to 19 /8s, 18 /16s and 218 /24s Percentage of available APNIC address space announced: 79.3
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: 111938 Total ARIN prefixes after maximum aggregation: 63766 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 82344 Unique aggregates announced from the ARIN address blocks: 32150 ARIN Region origin ASes present in the Internet Routing Table: 11856 ARIN Prefixes per ASN: 6.95 ARIN Region origin ASes announcing only one prefix: 4535 ARIN Region transit ASes present in the Internet Routing Table: 1154 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 346348192 Equivalent to 20 /8s, 164 /16s and 218 /24s Percentage of available ARIN address space announced: 76.5
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: 49988 Total RIPE prefixes after maximum aggregation: 31374 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 46396 Unique aggregates announced from the RIPE address blocks: 29952 RIPE Region origin ASes present in the Internet Routing Table: 10290 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 5459 RIPE Region transit ASes present in the Internet Routing Table: 1660 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 329601984 Equivalent to 19 /8s, 165 /16s and 83 /24s Percentage of available RIPE address space announced: 75.6
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: 17255 Total LACNIC prefixes after maximum aggregation: 4547 LACNIC Deaggregation factor: 3.79 Prefixes being announced from the LACNIC address blocks: 15290 Unique aggregates announced from the LACNIC address blocks: 8208 LACNIC Region origin ASes present in the Internet Routing Table: 868 LACNIC Prefixes per ASN: 17.62 LACNIC Region origin ASes announcing only one prefix: 272 LACNIC Region transit ASes present in the Internet Routing Table: 152 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 43541248 Equivalent to 2 /8s, 152 /16s and 99 /24s Percentage of available LACNIC address space announced: 64.9
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: 2789 Total AfriNIC prefixes after maximum aggregation: 1050 AfriNIC Deaggregation factor: 2.66 Prefixes being announced from the AfriNIC address blocks: 2373 Unique aggregates announced from the AfriNIC address blocks: 1365 AfriNIC Region origin ASes present in the Internet Routing Table: 204 AfriNIC Prefixes per ASN: 11.63 AfriNIC Region origin ASes announcing only one prefix: 69 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 7453440 Equivalent to 0 /8s, 113 /16s and 187 /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 2744 2974 36 China Education and Research 4755 1426 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1117 81 414 Sify Limited 4134 1082 11404 295 CHINANET-BACKBONE 9498 1000 533 65 BHARTI BT INTERNET LTD. 23577 927 34 794 Korea Telecom (ATM-MPLS) 17488 816 53 61 Hathway IP Over Cable Interne 4766 809 5441 321 Korea Telecom (KIX) 7545 734 159 116 TPG Internet Pty Ltd 18101 603 119 51 Reliance Infocom Ltd Internet 1221 589 1950 435 Telstra Pty Ltd 4802 577 131 148 Wantree Development 4812 548 974 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 484 779 116 CNCGROUP IP network: China169 9443 468 122 78 Primus Telecommunications 7474 457 218 269 SingTel Optus Pty Ltd 9942 420 74 110 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 370 57 36 LINKdotNET AS number 8551 350 334 33 Bezeq International 9116 346 168 27 Goldenlines main autonomous s 5089 324 1658 54 NTL Group Limited 3301 317 1457 294 TeliaNet Sweden 3320 312 6035 259 Deutsche Telekom AG 6746 290 131 266 Dynamic Network Technologies, 1273 272 306 99 Cable & Wireless Deutschland 680 269 2045 257 DFN-IP service G-WiN 8866 267 62 22 Bulgarian Telecommunication C 8708 263 421 242 Romania Data Systems S.A. 3215 262 2472 99 France Telecom Transpac 8220 255 444 237 COLT Telecommunications 3352 230 1882 40 Ibernet, Internet Access Netw 3269 223 2839 73 TELECOM ITALIA 9121 217 1442 25 TTnet Autonomous System 1257 207 1195 171 SWIPnet Swedish IP Network 3300 207 172 100 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 1485 10226 989 AT&T WorldNet Services 4323 1396 991 363 Time Warner Telecom 2386 1219 621 743 AT&T Data Communications Serv 11492 1153 113 12 Cable One 6478 1131 328 137 AT&T Worldnet Services 6197 1032 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 965 6779 842 Cogent Communications 7011 944 287 559 Citizens Utilities 701 869 6572 677 UUNET Technologies, Inc. 20115 830 762 441 Charter Communications 1239 802 2704 560 Sprint 22773 780 2149 52 Cox Communications, Inc. 19262 776 2749 185 Verizon Global Networks 209 744 3818 587 Qwest 577 709 845 202 Bell Advanced Communications 3356 670 10820 369 Level 3 Communications, LLC 5668 655 176 23 CenturyTel Internet Holdings, 852 598 1096 363 Telus Advanced Communications 6517 587 165 36 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1426 1359 Videsh Sanchar Nigam Ltd. Aut 11492 1153 1141 Cable One 4323 1396 1033 Time Warner Telecom 18566 1028 1019 Covad Communications 6478 1131 994 AT&T Worldnet Services 9498 1000 935 BHARTI BT INTERNET LTD. 8151 1018 801 UniNet S.A. de C.V. 4134 1082 787 CHINANET-BACKBONE 17488 816 755 Hathway IP Over Cable Interne 22773 780 728 Cox Communications, Inc. 9583 1117 703 Sify Limited 5668 655 632 CenturyTel Internet Holdings, 7545 734 618 TPG Internet Pty Ltd 19262 776 591 Verizon Global Networks 18101 603 552 Reliance Infocom Ltd Internet 6517 587 551 Yipes Communications, Inc. 15270 580 542 PaeTec.net -a division of Pae 6197 1032 524 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 64520 PRIVATE 172.11.12.0/24 1803 SPRINT 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 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 172.11.12.0/24 64520 PRIVATE ASN 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 /13:270 /14:478 /15:937 /16:9727 /17:4199 /18:6782 /19:14467 /20:17623 /21:15489 /22:20041 /23:20865 /24:125337 /25:874 /26:1149 /27:639 /28:280 /29:192 /30:280 /31:0 /32:73
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1145 1153 Cable One 6478 1130 1131 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 961 1117 Sify Limited 4538 921 2744 China Education and Research 23577 918 927 Korea Telecom (ATM-MPLS) 2386 911 1219 AT&T Data Communications Serv 7011 834 944 Citizens Utilities 7018 822 1485 AT&T WorldNet Services 4755 796 1426 Videsh Sanchar Nigam Ltd. Aut 6197 785 1032 BellSouth Network Solutions, 9498 681 1000 BHARTI BT INTERNET LTD. 17488 639 816 Hathway IP Over Cable Interne 4766 607 809 Korea Telecom (KIX) 4323 596 1396 Time Warner Telecom 19916 563 568 OLM LLC 6517 552 587 Yipes Communications, Inc. 15270 544 580 PaeTec.net -a division of Pae 5668 521 655 CenturyTel Internet Holdings, 4668 507 517 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:83 12:1808 13:2 15:20 16:3 17:3 18:13 20:36 24:995 25:1 32:177 33:3 38:349 40:61 41:320 43:6 44:2 47:4 52:4 55:3 56:3 57:43 58:504 59:424 60:372 61:1001 62:999 63:2006 64:3307 65:2428 66:3536 67:834 68:680 69:1990 70:470 71:118 72:1422 73:5 74:682 75:307 76:135 77:379 78:204 79:3 80:835 81:844 82:592 83:380 84:635 85:824 86:347 87:565 88:289 89:997 90:40 91:603 97:6 98:2 101:1 116:374 117:161 118:21 121:304 122:612 123:185 124:677 125:1006 128:272 129:214 130:137 131:365 132:60 133:9 134:198 135:33 136:188 137:86 138:156 139:107 140:513 141:174 142:409 143:254 144:312 145:47 146:334 147:126 148:458 149:166 150:112 151:157 152:92 153:118 154:12 155:255 156:162 157:220 158:160 159:175 160:136 161:103 162:174 163:182 164:493 165:397 166:298 167:302 168:503 169:123 170:387 171:22 172:3 189:74 190:1169 192:5783 193:3991 194:3275 195:2392 196:1029 198:3911 199:3226 200:5321 201:1224 202:7782 203:7930 204:3969 205:2013 206:2493 207:2929 208:2883 209:3504 210:2784 211:1213 212:1328 213:1527 214:421 215:45 216:4101 217:1204 218:386 219:451 220:1009 221:418 222:295
End of report
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