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Routing Table Report 00:00 GMT Fri 28 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/2007/09/28
Analysis Summary ----------------
BGP routing table entries examined: 239772 Prefixes after maximum aggregation: 121953 Deaggregation factor: 1.97 Unique aggregates announced to Internet: 113240 Total ASes present in the Internet Routing Table: 26376 Prefixes per ASN: 9.09 Origin-only ASes present in the Internet Routing Table: 22882 Origin ASes announcing only one prefix: 11140 Transit ASes present in the Internet Routing Table: 3494 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 22 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 44 Unregistered ASNs in the Routing Table: 19 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: 1787407420 Equivalent to 106 /8s, 137 /16s and 172 /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: 127713
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 57808 Total APNIC prefixes after maximum aggregation: 21246 APNIC Deaggregation factor: 2.72 Prefixes being announced from the APNIC address blocks: 54640 Unique aggregates announced from the APNIC address blocks: 22740 APNIC Region origin ASes present in the Internet Routing Table: 3070 APNIC Prefixes per ASN: 17.80 APNIC Region origin ASes announcing only one prefix: 807 APNIC Region transit ASes present in the Internet Routing Table: 476 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 319794868 Equivalent to 19 /8s, 15 /16s and 174 /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: 111903 Total ARIN prefixes after maximum aggregation: 63728 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 82370 Unique aggregates announced from the ARIN address blocks: 32087 ARIN Region origin ASes present in the Internet Routing Table: 11884 ARIN Prefixes per ASN: 6.93 ARIN Region origin ASes announcing only one prefix: 4545 ARIN Region transit ASes present in the Internet Routing Table: 1148 Average ARIN Region AS path length visible: 3.1 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 346141088 Equivalent to 20 /8s, 161 /16s and 177 /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: 49946 Total RIPE prefixes after maximum aggregation: 31357 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 46326 Unique aggregates announced from the RIPE address blocks: 29953 RIPE Region origin ASes present in the Internet Routing Table: 10273 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 5449 RIPE Region transit ASes present in the Internet Routing Table: 1639 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 329509056 Equivalent to 19 /8s, 163 /16s and 232 /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: 17275 Total LACNIC prefixes after maximum aggregation: 4550 LACNIC Deaggregation factor: 3.80 Prefixes being announced from the LACNIC address blocks: 15277 Unique aggregates announced from the LACNIC address blocks: 8194 LACNIC Region origin ASes present in the Internet Routing Table: 868 LACNIC Prefixes per ASN: 17.60 LACNIC Region origin ASes announcing only one prefix: 271 LACNIC Region transit ASes present in the Internet Routing Table: 154 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 43294208 Equivalent to 2 /8s, 148 /16s and 158 /24s Percentage of available LACNIC address space announced: 64.5
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: 2786 Total AfriNIC prefixes after maximum aggregation: 1052 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 2372 Unique aggregates announced from the AfriNIC address blocks: 1365 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 11.57 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: 3.7 Max AfriNIC Region AS path length visible: 14 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 2743 2974 36 China Education and Research 4755 1426 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1122 81 419 Sify Limited 4134 1082 11404 294 CHINANET-BACKBONE 9498 998 532 63 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 590 1950 435 Telstra Pty Ltd 4802 576 131 147 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 489 780 118 CNCGROUP IP network: China169 9443 468 122 78 Primus Telecommunications 7474 458 218 269 SingTel Optus Pty Ltd 9942 422 75 112 COMindico Australia
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 489 1904 391 UUNET - Commercial IP service 24863 370 57 36 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 317 1457 294 TeliaNet Sweden 3320 315 6035 261 Deutsche Telekom AG 6746 289 131 265 Dynamic Network Technologies, 1273 280 306 104 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 254 444 237 COLT Telecommunications 3352 225 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 1179 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 992 AT&T WorldNet Services 4323 1401 991 366 Time Warner Telecom 2386 1220 635 732 AT&T Data Communications Serv 11492 1152 113 17 Cable One 6478 1131 328 137 AT&T Worldnet Services 6197 1031 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 954 6713 832 Cogent Communications 7011 944 287 559 Citizens Utilities 701 869 6589 678 UUNET Technologies, Inc. 1239 867 2695 550 Sprint 20115 829 762 440 Charter Communications 19262 778 2750 187 Verizon Global Networks 22773 778 2149 52 Cox Communications, Inc. 577 714 845 205 Bell Advanced Communications 209 713 3777 557 Qwest 3356 673 10820 372 Level 3 Communications, LLC 5668 656 176 23 CenturyTel Internet Holdings, 6517 588 165 37 Yipes Communications, Inc. 852 587 1077 355 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1426 1359 Videsh Sanchar Nigam Ltd. Aut 11492 1152 1135 Cable One 4323 1401 1035 Time Warner Telecom 18566 1028 1019 Covad Communications 6478 1131 994 AT&T Worldnet Services 9498 998 935 BHARTI BT INTERNET LTD. 8151 999 796 UniNet S.A. de C.V. 4134 1082 788 CHINANET-BACKBONE 17488 816 755 Hathway IP Over Cable Interne 22773 778 726 Cox Communications, Inc. 9583 1122 703 Sify Limited 5668 656 633 CenturyTel Internet Holdings, 7545 734 618 TPG Internet Pty Ltd 19262 778 591 Verizon Global Networks 18101 603 552 Reliance Infocom Ltd Internet 6517 588 551 Yipes Communications, Inc. 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 65530 PRIVATE 192.147.68.0/24 2901 New Mexico Technet 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 65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net 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 /13:270 /14:478 /15:932 /16:9732 /17:4199 /18:6787 /19:14448 /20:17603 /21:15472 /22:20040 /23:20845 /24:125258 /25:875 /26:1148 /27:639 /28:282 /29:191 /30:283 /31:0 /32:73
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 964 1122 Sify Limited 4538 920 2743 China Education and Research 23577 918 927 Korea Telecom (ATM-MPLS) 2386 911 1220 AT&T Data Communications Serv 7011 834 944 Citizens Utilities 7018 820 1481 AT&T WorldNet Services 4755 796 1426 Videsh Sanchar Nigam Ltd. Aut 6197 784 1031 BellSouth Network Solutions, 9498 680 998 BHARTI BT INTERNET LTD. 17488 639 816 Hathway IP Over Cable Interne 4766 607 809 Korea Telecom (KIX) 4323 597 1401 Time Warner Telecom 19916 563 568 OLM LLC 6517 552 588 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 12:1808 13:2 15:20 16:3 17:3 18:13 20:36 24:995 25:1 32:177 33:3 38:352 40:61 41:318 43:6 44:2 47:4 52:4 55:3 56:3 57:42 58:501 59:424 60:372 61:1002 62:998 63:2008 64:3284 65:2432 66:3520 67:831 68:680 69:1988 70:470 71:118 72:1422 73:5 74:682 75:307 76:135 77:383 78:194 79:3 80:834 81:845 82:592 83:381 84:639 85:821 86:345 87:564 88:288 89:1000 90:40 91:595 97:6 98:2 101:1 116:366 117:159 118:11 121:304 122:612 123:184 124:678 125:1009 128:272 129:213 130:137 131:365 132:58 133:9 134:196 135:33 136:188 137:86 138:156 139:107 140:513 141:174 142:409 143:254 144:305 145:47 146:332 147:128 148:469 149:167 150:112 151:157 152:92 153:118 154:12 155:256 156:162 157:220 158:159 159:175 160:136 161:103 162:174 163:183 164:493 165:398 166:299 167:297 168:504 169:123 170:387 171:22 172:2 189:75 190:1168 192:5776 193:3991 194:3271 195:2396 196:1032 198:3902 199:3232 200:5318 201:1219 202:7739 203:7920 204:3966 205:2011 206:2495 207:2990 208:2884 209:3508 210:2783 211:1214 212:1328 213:1527 214:419 215:45 216:4097 217:1203 218:387 219:451 220:1004 221:419 222:304
End of report
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