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Routing Table Report 00:00 GMT Sun 26 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/2007/08/26
Analysis Summary ----------------
BGP routing table entries examined: 234790 Prefixes after maximum aggregation: 120620 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 110681 Total ASes present in the Internet Routing Table: 26114 Prefixes per ASN: 8.99 Origin-only ASes present in the Internet Routing Table: 22511 Origin ASes announcing only one prefix: 11024 Transit ASes present in the Internet Routing Table: 3603 Transit-only ASes present in the Internet Routing Table: 97 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 31 Max AS path prepend of ASN (23775) 25 Prefixes from unregistered ASNs in the Routing Table: 34 Unregistered ASNs in the Routing Table: 21 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1756134340 Equivalent to 104 /8s, 172 /16s and 123 /24s Percentage of available address space announced: 47.4 Percentage of allocated address space announced: 62.0 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 125314
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 55046 Total APNIC prefixes after maximum aggregation: 20695 APNIC Deaggregation factor: 2.66 Prefixes being announced from the APNIC address blocks: 51833 Unique aggregates announced from the APNIC address blocks: 21386 APNIC Region origin ASes present in the Internet Routing Table: 3040 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 804 APNIC Region transit ASes present in the Internet Routing Table: 486 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 29 Number of APNIC addresses announced to Internet: 312978356 Equivalent to 18 /8s, 167 /16s and 171 /24s Percentage of available APNIC address space announced: 77.5
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: 110560 Total ARIN prefixes after maximum aggregation: 63345 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 81176 Unique aggregates announced from the ARIN address blocks: 31826 ARIN Region origin ASes present in the Internet Routing Table: 11782 ARIN Prefixes per ASN: 6.89 ARIN Region origin ASes announcing only one prefix: 4508 ARIN Region transit ASes present in the Internet Routing Table: 1166 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 343222368 Equivalent to 20 /8s, 117 /16s and 40 /24s Percentage of available ARIN address space announced: 75.8
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: 49892 Total RIPE prefixes after maximum aggregation: 31082 RIPE Deaggregation factor: 1.61 Prefixes being announced from the RIPE address blocks: 46326 Unique aggregates announced from the RIPE address blocks: 29433 RIPE Region origin ASes present in the Internet Routing Table: 10134 RIPE Prefixes per ASN: 4.57 RIPE Region origin ASes announcing only one prefix: 5369 RIPE Region transit ASes present in the Internet Routing Table: 1687 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 325849088 Equivalent to 19 /8s, 108 /16s and 16 /24s Percentage of available RIPE address space announced: 74.7
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: 16440 Total LACNIC prefixes after maximum aggregation: 4426 LACNIC Deaggregation factor: 3.71 Prefixes being announced from the LACNIC address blocks: 14539 Unique aggregates announced from the LACNIC address blocks: 7817 LACNIC Region origin ASes present in the Internet Routing Table: 854 LACNIC Prefixes per ASN: 17.02 LACNIC Region origin ASes announcing only one prefix: 274 LACNIC Region transit ASes present in the Internet Routing Table: 151 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 31 Number of LACNIC addresses announced to Internet: 42088192 Equivalent to 2 /8s, 130 /16s and 55 /24s Percentage of available LACNIC address space announced: 62.7
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: 2812 Total AfriNIC prefixes after maximum aggregation: 1058 AfriNIC Deaggregation factor: 2.66 Prefixes being announced from the AfriNIC address blocks: 2338 Unique aggregates announced from the AfriNIC address blocks: 1344 AfriNIC Region origin ASes present in the Internet Routing Table: 206 AfriNIC Prefixes per ASN: 11.35 AfriNIC Region origin ASes announcing only one prefix: 69 AfriNIC Region transit ASes present in the Internet Routing Table: 32 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7441920 Equivalent to 0 /8s, 113 /16s and 142 /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 4134 1336 11150 289 CHINANET-BACKBONE 4755 1336 383 71 Videsh Sanchar Nigam Ltd. Aut 9583 1131 108 15 Sify Limited 9498 996 532 66 BHARTI BT INTERNET LTD. 23577 920 34 790 Korea Telecom (ATM-MPLS) 4766 800 5441 316 Korea Telecom (KIX) 17488 794 52 53 Hathway IP Over Cable Interne 7545 731 159 118 TPG Internet Pty Ltd 1221 592 1951 436 Telstra Pty Ltd 18101 592 119 48 Reliance Infocom Ltd Internet 4812 548 968 97 China Telecom (Shanghai) 4668 516 68 10 LG-EDS Systems Inc. 17676 503 10919 64 Softbank BB Corp. 4808 469 760 104 CNCGROUP IP network: China169 9443 465 122 78 Primus Telecommunications 7474 459 216 270 SingTel Optus Pty Ltd 4538 442 2974 34 China Education and Research 9942 438 74 111 COMindico Australia 4802 433 117 157 Wantree Development 4837 366 5104 167 chinanet IDC center beijing n
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 1130 1077 182 Telenor Internet Access 702 490 1905 392 UUNET - Commercial IP service 24863 365 57 39 LINKdotNET AS number 9116 339 168 26 Goldenlines main autonomous s 8551 320 315 43 Bezeq International 3301 313 1456 293 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 6746 288 130 264 Dynamic Network Technologies, 1273 286 306 105 Cable & Wireless Deutschland 5089 279 1658 54 NTL Group Limited 680 264 2059 255 DFN-IP service G-WiN 8708 262 420 241 Romania Data Systems S.A. 8220 261 441 243 COLT Telecommunications 3215 258 2424 98 France Telecom Transpac 3352 226 1868 38 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 9121 214 1441 24 TTnet Autonomous System 1257 204 1195 169 SWIPnet Swedish IP Network 3300 201 172 96 AUCS Communications Services 2856 195 2319 155 BTnet UK Regional network
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1479 10164 991 AT&T WorldNet Services 4323 1319 992 371 Time Warner Telecom 2386 1208 617 749 AT&T Data Communications Serv 6478 1140 322 134 AT&T Worldnet Services 11492 1135 110 16 Cable One 6197 1031 718 509 BellSouth Network Solutions, 18566 1020 288 9 Covad Communications 174 974 6780 861 Cogent Communications 701 940 6577 719 UUNET Technologies, Inc. 7011 917 277 554 Citizens Utilities 20115 815 748 440 Charter Communications 1239 796 2721 564 Sprint 19262 767 2743 186 Verizon Global Networks 22773 758 2148 49 Cox Communications, Inc. 209 743 3837 587 Qwest 577 705 813 202 Bell Advanced Communications 5668 643 172 24 CenturyTel Internet Holdings, 852 589 1095 362 Telus Advanced Communications 6517 589 165 37 Yipes Communications, Inc. 3356 575 10825 337 Level 3 Communications, LLC
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1336 1265 Videsh Sanchar Nigam Ltd. Aut 11492 1135 1119 Cable One 9583 1131 1116 Sify Limited 4134 1336 1047 CHINANET-BACKBONE 18566 1020 1011 Covad Communications 6478 1140 1006 AT&T Worldnet Services 4323 1319 948 Time Warner Telecom 2119 1130 948 Telenor Internet Access 9498 996 930 BHARTI BT INTERNET LTD. 17488 794 741 Hathway IP Over Cable Interne 8151 923 719 UniNet S.A. de C.V. 22773 758 709 Cox Communications, Inc. 5668 643 619 CenturyTel Internet Holdings, 7545 731 613 TPG Internet Pty Ltd 19262 767 581 Verizon Global Networks 6517 589 552 Yipes Communications, Inc. 18101 592 544 Reliance Infocom Ltd Internet 15270 568 530 PaeTec.net -a division of Pae 6197 1031 522 BellSouth Network Solutions, 19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom 64539 PRIVATE 170.213.128.0/24 7132 SBC Internet Service 64539 PRIVATE 170.213.129.0/24 7132 SBC Internet Service 64539 PRIVATE 170.213.132.0/24 7132 SBC Internet Service 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 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 65000 PRIVATE 195.47.102.0/25 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 64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous 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
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 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 /11:37 /12:134 /13:265 /14:474 /15:931 /16:9652 /17:4154 /18:6717 /19:14065 /20:16457 /21:15141 /22:19587 /23:20663 /24:122610 /25:1063 /26:1383 /27:589 /28:262 /29:186 /30:284 /31:5 /32:89
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1139 1140 AT&T Worldnet Services 11492 1128 1135 Cable One 2119 1012 1130 Telenor Internet Access 18566 1002 1020 Covad Communications 9583 966 1131 Sify Limited 23577 911 920 Korea Telecom (ATM-MPLS) 2386 910 1208 AT&T Data Communications Serv 7018 816 1479 AT&T WorldNet Services 7011 813 917 Citizens Utilities 6197 784 1031 BellSouth Network Solutions, 4755 721 1336 Videsh Sanchar Nigam Ltd. Aut 9498 668 996 BHARTI BT INTERNET LTD. 17488 617 794 Hathway IP Over Cable Interne 4766 598 800 Korea Telecom (KIX) 19916 563 568 OLM LLC 6517 555 589 Yipes Communications, Inc. 4323 553 1319 Time Warner Telecom 15270 532 568 PaeTec.net -a division of Pae 5668 508 643 CenturyTel Internet Holdings, 4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:88 12:1825 13:2 15:19 16:3 17:3 18:13 20:37 24:984 25:1 32:173 33:3 38:347 40:60 41:314 43:6 44:2 47:4 52:4 55:3 56:3 57:46 58:471 59:388 60:368 61:1023 62:999 63:2016 64:3219 65:2421 66:3417 67:799 68:656 69:1976 70:456 71:115 72:1386 73:2 74:638 75:302 76:129 77:295 78:44 80:846 81:836 82:716 83:390 84:604 85:873 86:341 87:484 88:287 89:957 90:25 91:493 97:5 116:323 117:139 118:1 121:269 122:593 123:151 124:671 125:993 128:275 129:215 130:140 131:364 132:55 133:9 134:197 135:34 136:187 137:85 138:149 139:122 140:494 141:172 142:397 143:255 144:298 145:46 146:327 147:125 148:410 149:143 150:112 151:159 152:92 153:122 154:4 155:263 156:161 157:214 158:158 159:171 160:113 161:99 162:176 163:181 164:484 165:396 166:285 167:296 168:513 169:122 170:391 171:22 172:2 189:69 190:992 192:5804 193:3997 194:3260 195:2369 196:1035 198:3900 199:3286 200:5139 201:1185 202:7471 203:7731 204:3963 205:1985 206:2482 207:2909 208:2809 209:3508 210:2471 211:1134 212:1353 213:1526 214:415 215:41 216:3992 217:1197 218:382 219:386 220:1038 221:416 222:264
End of report
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