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Routing Table Report 00:00 GMT Sun 12 Aug, 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/2007/08/12
Analysis Summary ----------------
BGP routing table entries examined: 233529 Prefixes after maximum aggregation: 120481 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 111057 Total ASes present in the Internet Routing Table: 25994 Prefixes per ASN: 8.98 Origin-only ASes present in the Internet Routing Table: 22493 Origin ASes announcing only one prefix: 11025 Transit ASes present in the Internet Routing Table: 3501 Transit-only ASes present in the Internet Routing Table: 86 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 31 Max AS path prepend of ASN (16327) 21 Prefixes from unregistered ASNs in the Routing Table: 38 Unregistered ASNs in the Routing Table: 19 Prefixes from 32-bit ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1749796484 Equivalent to 104 /8s, 75 /16s and 198 /24s Percentage of available address space announced: 47.2 Percentage of allocated address space announced: 61.8 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 124242
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 55090 Total APNIC prefixes after maximum aggregation: 20952 APNIC Deaggregation factor: 2.63 Prefixes being announced from the APNIC address blocks: 51914 Unique aggregates announced from the APNIC address blocks: 22159 APNIC Region origin ASes present in the Internet Routing Table: 3037 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 817 APNIC Region transit ASes present in the Internet Routing Table: 476 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 310960308 Equivalent to 18 /8s, 136 /16s and 224 /24s Percentage of available APNIC address space announced: 77.0
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: 109875 Total ARIN prefixes after maximum aggregation: 63180 ARIN Deaggregation factor: 1.74 Prefixes being announced from the ARIN address blocks: 80638 Unique aggregates announced from the ARIN address blocks: 31841 ARIN Region origin ASes present in the Internet Routing Table: 11747 ARIN Prefixes per ASN: 6.86 ARIN Region origin ASes announcing only one prefix: 4515 ARIN Region transit ASes present in the Internet Routing Table: 1155 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 341933408 Equivalent to 20 /8s, 97 /16s and 125 /24s Percentage of available ARIN address space announced: 75.5
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: 49532 Total RIPE prefixes after maximum aggregation: 30900 RIPE Deaggregation factor: 1.60 Prefixes being announced from the RIPE address blocks: 45976 Unique aggregates announced from the RIPE address blocks: 29231 RIPE Region origin ASes present in the Internet Routing Table: 10075 RIPE Prefixes per ASN: 4.56 RIPE Region origin ASes announcing only one prefix: 5353 RIPE Region transit ASes present in the Internet Routing Table: 1641 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 324190272 Equivalent to 19 /8s, 82 /16s and 192 /24s Percentage of available RIPE address space announced: 74.3
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 40960-44031 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: 16206 Total LACNIC prefixes after maximum aggregation: 4374 LACNIC Deaggregation factor: 3.71 Prefixes being announced from the LACNIC address blocks: 14244 Unique aggregates announced from the LACNIC address blocks: 7669 LACNIC Region origin ASes present in the Internet Routing Table: 844 LACNIC Prefixes per ASN: 16.88 LACNIC Region origin ASes announcing only one prefix: 273 LACNIC Region transit ASes present in the Internet Routing Table: 143 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 31 Number of LACNIC addresses announced to Internet: 41888512 Equivalent to 2 /8s, 127 /16s and 43 /24s Percentage of available LACNIC address space announced: 62.4
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: 2785 Total AfriNIC prefixes after maximum aggregation: 1063 AfriNIC Deaggregation factor: 2.62 Prefixes being announced from the AfriNIC address blocks: 2298 Unique aggregates announced from the AfriNIC address blocks: 1355 AfriNIC Region origin ASes present in the Internet Routing Table: 204 AfriNIC Prefixes per ASN: 11.26 AfriNIC Region origin ASes announcing only one prefix: 67 AfriNIC Region transit ASes present in the Internet Routing Table: 33 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 6334464 Equivalent to 0 /8s, 96 /16s and 168 /24s Percentage of available AfriNIC address space announced: 18.9
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 4134 1343 11126 287 CHINANET-BACKBONE 4755 1321 382 70 Videsh Sanchar Nigam Ltd. Aut 9583 1118 80 400 Sify Limited 9498 994 532 69 BHARTI BT INTERNET LTD. 23577 926 34 794 Korea Telecom (ATM-MPLS) 9394 840 1712 7 CHINA RAILWAY Internet(CRNET) 4766 798 5440 316 Korea Telecom (KIX) 17488 742 48 59 Hathway IP Over Cable Interne 7545 703 150 117 TPG Internet Pty Ltd 1221 594 1951 437 Telstra Pty Ltd 18101 586 118 43 Reliance Infocom Ltd Internet 4812 536 915 95 China Telecom (Shanghai) 4668 512 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 4808 475 767 107 CNCGROUP IP network: China169 9443 474 122 78 Primus Telecommunications 7474 473 217 271 SingTel Optus Pty Ltd 9942 440 77 113 COMindico Australia 4802 420 112 151 Wantree Development 17974 366 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 1132 1079 184 Telenor Internet Access 702 502 1906 403 UUNET - Commercial IP service 5089 369 1658 54 NTL Group Limited 24863 361 56 40 LINKdotNET AS number 9116 348 168 26 Goldenlines main autonomous s 8551 319 315 43 Bezeq International 3301 313 1456 293 TeliaNet Sweden 3320 311 6035 257 Deutsche Telekom AG 6746 287 130 263 Dynamic Network Technologies, 680 266 2061 257 DFN-IP service G-WiN 8708 261 420 242 Romania Data Systems S.A. 8220 260 442 242 COLT Telecommunications 3215 256 2392 97 France Telecom Transpac 3352 224 1864 41 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 9121 210 1441 24 TTnet Autonomous System 1257 207 1195 172 SWIPnet Swedish IP Network 3300 200 172 94 AUCS Communications Services 3292 195 1379 175 TDC Tele Danmark 2856 193 2318 153 BTnet UK Regional network
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1483 6068 1004 AT&T WorldNet Services 4323 1322 1021 369 Time Warner Telecom 2386 1205 614 742 AT&T Data Communications Serv 11492 1118 108 34 Cable One 6478 1115 322 132 AT&T Worldnet Services 6197 1024 689 519 BellSouth Network Solutions, 18566 1019 288 9 Covad Communications 174 967 6777 856 Cogent Communications 701 928 6559 708 UUNET Technologies, Inc. 7011 905 259 544 Citizens Utilities 20115 807 742 431 Charter Communications 1239 805 2725 570 Sprint 19262 762 2704 181 Verizon Global Networks 22773 753 2148 49 Cox Communications, Inc. 209 730 3841 573 Qwest 577 704 797 206 Bell Advanced Communications 5668 632 171 24 CenturyTel Internet Holdings, 852 590 1094 367 Telus Advanced Communications 6517 578 161 38 Yipes Communications, Inc. 855 575 254 73 Canadian Research Network
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1321 1251 Videsh Sanchar Nigam Ltd. Aut 11492 1118 1084 Cable One 4134 1343 1056 CHINANET-BACKBONE 18566 1019 1010 Covad Communications 6478 1115 983 AT&T Worldnet Services 4323 1322 953 Time Warner Telecom 2119 1132 948 Telenor Internet Access 9498 994 925 BHARTI BT INTERNET LTD. 9394 840 833 CHINA RAILWAY Internet(CRNET) 9583 1118 718 Sify Limited 8151 917 706 UniNet S.A. de C.V. 22773 753 704 Cox Communications, Inc. 17488 742 683 Hathway IP Over Cable Interne 5668 632 608 CenturyTel Internet Holdings, 7545 703 586 TPG Internet Pty Ltd 19262 762 581 Verizon Global Networks 18101 586 543 Reliance Infocom Ltd Internet 6517 578 540 Yipes Communications, Inc. 15270 568 530 PaeTec.net -a division of Pae 19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 64513 PRIVATE 63.171.234.0/26 1803 SPRINT 64513 PRIVATE 63.171.234.64/26 1803 SPRINT 64513 PRIVATE 63.171.234.128/26 1803 SPRINT 64513 PRIVATE 63.171.234.192/26 1803 SPRINT 47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc. 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 65108 PRIVATE 84.234.80.0/20 43379 * 38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE 38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In 64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In 64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In 64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In 64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In 64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.128/27 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 64526 PRIVATE 195.47.39.128/26 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 64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 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
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 7.1.1.0/24 1239 Sprint 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 /10:15 /11:36 /12:133 /13:262 /14:474 /15:921 /16:9619 /17:4133 /18:6654 /19:14041 /20:16602 /21:15201 /22:19454 /23:20480 /24:121632 /25:1062 /26:1392 /27:590 /28:255 /29:177 /30:288 /31:0 /32:81
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1114 1115 AT&T Worldnet Services 11492 1110 1118 Cable One 2119 1012 1132 Telenor Internet Access 18566 1001 1019 Covad Communications 9583 962 1118 Sify Limited 23577 917 926 Korea Telecom (ATM-MPLS) 2386 898 1205 AT&T Data Communications Serv 7018 812 1483 AT&T WorldNet Services 7011 803 905 Citizens Utilities 6197 780 1024 BellSouth Network Solutions, 4755 708 1321 Videsh Sanchar Nigam Ltd. Aut 9498 662 994 BHARTI BT INTERNET LTD. 4766 595 798 Korea Telecom (KIX) 17488 565 742 Hathway IP Over Cable Interne 19916 563 568 OLM LLC 4323 556 1322 Time Warner Telecom 6517 542 578 Yipes Communications, Inc. 15270 532 568 PaeTec.net -a division of Pae 4668 502 512 LG-EDS Systems Inc. 5668 497 632 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:85 12:1818 15:19 16:3 17:3 18:12 20:37 24:954 25:1 32:174 33:3 38:343 40:60 41:293 43:6 44:2 47:4 52:4 55:3 56:3 57:48 58:477 59:391 60:345 61:1009 62:998 63:2004 64:3186 65:2394 66:3346 67:768 68:628 69:1951 70:455 71:115 72:1386 73:2 74:617 75:297 76:101 77:279 78:33 80:846 81:832 82:726 83:383 84:578 85:863 86:340 87:478 88:276 89:946 90:22 91:462 97:6 116:281 117:124 121:261 122:573 123:151 124:841 125:979 128:291 129:213 130:140 131:359 132:55 133:9 134:199 135:34 136:188 137:83 138:149 139:122 140:495 141:172 142:397 143:252 144:291 145:46 146:324 147:120 148:410 149:145 150:111 151:159 152:93 153:122 154:4 155:260 156:156 157:213 158:157 159:173 160:108 161:97 162:186 163:180 164:473 165:395 166:271 167:295 168:508 169:120 170:412 171:22 172:2 189:71 190:929 192:5811 193:3984 194:3206 195:2350 196:1025 198:3897 199:3276 200:5074 201:1149 202:7480 203:7630 204:3965 205:1989 206:2480 207:2926 208:2780 209:3552 210:2437 211:1015 212:1338 213:1524 214:414 215:41 216:4002 217:1170 218:371 219:388 220:1030 221:414 222:269
End of report
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