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Routing Table Report 00:00 GMT Wed 29 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/2007/08/29
Analysis Summary ----------------
BGP routing table entries examined: 234861 Prefixes after maximum aggregation: 121098 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 109656 Total ASes present in the Internet Routing Table: 26139 Prefixes per ASN: 8.99 Origin-only ASes present in the Internet Routing Table: 22692 Origin ASes announcing only one prefix: 11046 Transit ASes present in the Internet Routing Table: 3447 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 3.4 Max AS path length visible: 22 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 42 Unregistered ASNs in the Routing Table: 25 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: 1756785092 Equivalent to 104 /8s, 182 /16s and 105 /24s Percentage of available address space announced: 47.4 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 125448
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 55027 Total APNIC prefixes after maximum aggregation: 20792 APNIC Deaggregation factor: 2.65 Prefixes being announced from the APNIC address blocks: 51800 Unique aggregates announced from the APNIC address blocks: 21493 APNIC Region origin ASes present in the Internet Routing Table: 3053 APNIC Prefixes per ASN: 16.97 APNIC Region origin ASes announcing only one prefix: 809 APNIC Region transit ASes present in the Internet Routing Table: 472 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 312997044 Equivalent to 18 /8s, 167 /16s and 244 /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: 110672 Total ARIN prefixes after maximum aggregation: 63412 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 81262 Unique aggregates announced from the ARIN address blocks: 31824 ARIN Region origin ASes present in the Internet Routing Table: 11804 ARIN Prefixes per ASN: 6.88 ARIN Region origin ASes announcing only one prefix: 4514 ARIN Region transit ASes present in the Internet Routing Table: 1132 Average ARIN Region AS path length visible: 2.9 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 342752608 Equivalent to 20 /8s, 109 /16s and 253 /24s Percentage of available ARIN address space announced: 75.7
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: 49832 Total RIPE prefixes after maximum aggregation: 31370 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 46289 Unique aggregates announced from the RIPE address blocks: 28310 RIPE Region origin ASes present in the Internet Routing Table: 10137 RIPE Prefixes per ASN: 4.57 RIPE Region origin ASes announcing only one prefix: 5376 RIPE Region transit ASes present in the Internet Routing Table: 1621 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 326590336 Equivalent to 19 /8s, 119 /16s and 95 /24s Percentage of available RIPE address space announced: 74.9
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: 16458 Total LACNIC prefixes after maximum aggregation: 4455 LACNIC Deaggregation factor: 3.69 Prefixes being announced from the LACNIC address blocks: 14542 Unique aggregates announced from the LACNIC address blocks: 7795 LACNIC Region origin ASes present in the Internet Routing Table: 858 LACNIC Prefixes per ASN: 16.95 LACNIC Region origin ASes announcing only one prefix: 278 LACNIC Region transit ASes present in the Internet Routing Table: 150 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 42163712 Equivalent to 2 /8s, 131 /16s and 94 /24s Percentage of available LACNIC address space announced: 62.8
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: 2824 Total AfriNIC prefixes after maximum aggregation: 1055 AfriNIC Deaggregation factor: 2.68 Prefixes being announced from the AfriNIC address blocks: 2366 Unique aggregates announced from the AfriNIC address blocks: 1333 AfriNIC Region origin ASes present in the Internet Routing Table: 207 AfriNIC Prefixes per ASN: 11.43 AfriNIC Region origin ASes announcing only one prefix: 69 AfriNIC Region transit ASes present in the Internet Routing Table: 33 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7458560 Equivalent to 0 /8s, 113 /16s and 207 /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 4755 1338 383 72 Videsh Sanchar Nigam Ltd. Aut 4134 1337 11150 289 CHINANET-BACKBONE 9583 1131 100 105 Sify Limited 9498 993 532 66 BHARTI BT INTERNET LTD. 23577 924 34 794 Korea Telecom (ATM-MPLS) 4766 803 5441 319 Korea Telecom (KIX) 17488 795 52 54 Hathway IP Over Cable Interne 7545 731 159 118 TPG Internet Pty Ltd 1221 594 1951 438 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 481 770 112 CNCGROUP IP network: China169 9443 465 122 78 Primus Telecommunications 7474 460 216 271 SingTel Optus Pty Ltd 4538 442 2974 34 China Education and Research 9942 440 75 113 COMindico Australia 4802 432 116 156 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 1133 1012 497 Telenor Internet Access 702 491 1921 393 UUNET - Commercial IP service 24863 366 57 39 LINKdotNET AS number 9116 343 168 26 Goldenlines main autonomous s 8551 321 316 40 Bezeq International 3301 314 5296 293 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 1273 286 306 105 Cable & Wireless Deutschland 5089 279 1658 54 NTL Group Limited 6746 273 128 251 Dynamic Network Technologies, 680 265 2061 256 DFN-IP service G-WiN 8708 262 420 241 Romania Data Systems S.A. 8220 261 445 243 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 202 1195 167 SWIPnet Swedish IP Network 3300 201 172 96 AUCS Communications Services 3292 195 1379 175 TDC Tele Danmark
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1485 10178 997 AT&T WorldNet Services 4323 1322 992 373 Time Warner Telecom 2386 1218 618 751 AT&T Data Communications Serv 11492 1138 110 11 Cable One 6478 1137 323 167 AT&T Worldnet Services 6197 1030 718 509 BellSouth Network Solutions, 18566 1020 288 9 Covad Communications 174 968 6779 855 Cogent Communications 701 942 6578 721 UUNET Technologies, Inc. 7011 924 279 555 Citizens Utilities 20115 817 750 436 Charter Communications 1239 796 2728 559 Sprint 19262 765 2743 184 Verizon Global Networks 22773 762 2149 50 Cox Communications, Inc. 209 731 3810 578 Qwest 577 707 813 202 Bell Advanced Communications 5668 651 174 24 CenturyTel Internet Holdings, 6517 589 165 37 Yipes Communications, Inc. 852 588 1095 361 Telus Advanced Communications 3356 579 10826 339 Level 3 Communications, LLC
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1338 1266 Videsh Sanchar Nigam Ltd. Aut 11492 1138 1127 Cable One 4134 1337 1048 CHINANET-BACKBONE 9583 1131 1026 Sify Limited 18566 1020 1011 Covad Communications 6478 1137 970 AT&T Worldnet Services 4323 1322 949 Time Warner Telecom 9498 993 927 BHARTI BT INTERNET LTD. 17488 795 741 Hathway IP Over Cable Interne 22773 762 712 Cox Communications, Inc. 8151 877 683 UniNet S.A. de C.V. 2119 1133 636 Telenor Internet Access 5668 651 627 CenturyTel Internet Holdings, 7545 731 613 TPG Internet Pty Ltd 19262 765 581 Verizon Global Networks 6517 589 552 Yipes Communications, Inc. 18101 592 544 Reliance Infocom Ltd Internet 15270 570 532 PaeTec.net -a division of Pae 6197 1030 521 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 65530 PRIVATE 192.147.68.0/24 2901 New Mexico Technet 64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa 65500 PRIVATE 192.239.84.0/24 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 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 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 64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 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 192.0.2.0/24 812 Rogers WAVE
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 /8:19 /9:9 /10:15 /11:37 /12:134 /13:265 /14:474 /15:926 /16:9655 /17:4153 /18:6671 /19:14074 /20:16467 /21:15167 /22:19607 /23:20672 /24:122651 /25:1071 /26:1386 /27:591 /28:262 /29:186 /30:278 /31:5 /32:86
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1136 1137 AT&T Worldnet Services 11492 1130 1138 Cable One 2119 1017 1133 Telenor Internet Access 18566 1002 1020 Covad Communications 9583 965 1131 Sify Limited 23577 915 924 Korea Telecom (ATM-MPLS) 2386 910 1218 AT&T Data Communications Serv 7018 820 1485 AT&T WorldNet Services 7011 819 924 Citizens Utilities 6197 783 1030 BellSouth Network Solutions, 4755 722 1338 Videsh Sanchar Nigam Ltd. Aut 9498 665 993 BHARTI BT INTERNET LTD. 17488 618 795 Hathway IP Over Cable Interne 4766 601 803 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 555 1322 Time Warner Telecom 6517 555 589 Yipes Communications, Inc. 15270 534 570 PaeTec.net -a division of Pae 5668 516 651 CenturyTel Internet Holdings, 4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:88 12:1826 13:2 15:19 16:3 17:3 18:13 20:36 24:984 25:1 32:173 33:3 38:346 40:60 41:322 43:6 44:2 47:4 52:4 55:3 56:3 57:46 58:471 59:391 60:369 61:1023 62:997 63:2020 64:3218 65:2431 66:3415 67:796 68:655 69:1977 70:457 71:115 72:1393 73:2 74:643 75:305 76:128 77:269 78:42 80:842 81:832 82:719 83:390 84:612 85:880 86:340 87:482 88:284 89:959 90:25 91:506 97:5 116:324 117:145 118:1 121:270 122:593 123:166 124:672 125:992 128:276 129:215 130:140 131:363 132:55 133:9 134:197 135:34 136:189 137:85 138:149 139:122 140:498 141:173 142:397 143:256 144:298 145:46 146:328 147:122 148:412 149:142 150:111 151:159 152:92 153:122 154:4 155:263 156:158 157:214 158:158 159:171 160:113 161:99 162:176 163:181 164:484 165:396 166:285 167:298 168:515 169:122 170:388 171:22 172:2 189:71 190:999 192:5816 193:3994 194:3260 195:2394 196:1033 198:3914 199:3286 200:5113 201:1178 202:7418 203:7735 204:3965 205:1993 206:2479 207:2902 208:2828 209:3511 210:2485 211:1135 212:1322 213:1524 214:416 215:41 216:3990 217:1210 218:382 219:386 220:1039 221:417 222:264
End of report
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