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Routing Table Report 00:00 GMT Sat 29 Dec, 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/2007/12/29
Analysis Summary ----------------
BGP routing table entries examined: 248857 Prefixes after maximum aggregation: 124901 Deaggregation factor: 1.99 Unique aggregates announced to Internet: 118115 Total ASes present in the Internet Routing Table: 27042 Prefixes per ASN: 9.20 Origin-only ASes present in the Internet Routing Table: 23390 Origin ASes announcing only one prefix: 11411 Transit ASes present in the Internet Routing Table: 3652 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 27 Max AS path prepend of ASN (29642) 15 Prefixes from unregistered ASNs in the Routing Table: 31 Unregistered ASNs in the Routing Table: 19 Number of 32-bit ASNs allocated by the RIRs: 0 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 1800565228 Equivalent to 107 /8s, 82 /16s and 113 /24s Percentage of available address space announced: 48.6 Percentage of allocated address space announced: inf Percentage of available address space allocated: 0.0 Percentage of address space in use by end-sites: 0.0 Total number of prefixes smaller than registry allocations: 115314
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 51613 Total APNIC prefixes after maximum aggregation: 19064 APNIC Deaggregation factor: 2.71 Prefixes being announced from the APNIC address blocks: 0 Unique aggregates announced from the APNIC address blocks: 0 APNIC Region origin ASes present in the Internet Routing Table: 3038 APNIC Prefixes per ASN: 0.00 APNIC Region origin ASes announcing only one prefix: 796 APNIC Region transit ASes present in the Internet Routing Table: 448 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available APNIC address space announced: nan
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 143663 Total ARIN prefixes after maximum aggregation: 74344 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 0 Unique aggregates announced from the ARIN address blocks: 0 ARIN Region origin ASes present in the Internet Routing Table: 12802 ARIN Prefixes per ASN: 0.00 ARIN Region origin ASes announcing only one prefix: 4789 ARIN Region transit ASes present in the Internet Routing Table: 1432 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available ARIN address space announced: nan
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
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 50019 Total RIPE prefixes after maximum aggregation: 30177 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 0 Unique aggregates announced from the RIPE address blocks: 0 RIPE Region origin ASes present in the Internet Routing Table: 10624 RIPE Prefixes per ASN: 0.00 RIPE Region origin ASes announcing only one prefix: 5603 RIPE Region transit ASes present in the Internet Routing Table: 1681 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available RIPE address space announced: nan
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
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 3272 Total LACNIC prefixes after maximum aggregation: 1161 LACNIC Deaggregation factor: 2.82 Prefixes being announced from the LACNIC address blocks: 0 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 425 LACNIC Prefixes per ASN: 0.00 LACNIC Region origin ASes announcing only one prefix: 188 LACNIC Region transit ASes present in the Internet Routing Table: 35 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available LACNIC address space announced: nan
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 251 Total AfriNIC prefixes after maximum aggregation: 137 AfriNIC Deaggregation factor: 1.83 Prefixes being announced from the AfriNIC address blocks: 0 Unique aggregates announced from the AfriNIC address blocks: 0 AfriNIC Region origin ASes present in the Internet Routing Table: 73 AfriNIC Prefixes per ASN: 0.00 AfriNIC Region origin ASes announcing only one prefix: 35 AfriNIC Region transit ASes present in the Internet Routing Table: 3 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available AfriNIC address space announced: nan
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4755 1508 383 71 Videsh Sanchar Nigam Ltd. Aut 9583 1101 82 433 Sify Limited 9498 1064 549 61 BHARTI BT INTERNET LTD. 23577 940 34 794 Korea Telecom (ATM-MPLS) 17488 936 60 84 Hathway IP Over Cable Interne 4766 829 5495 340 Korea Telecom (KIX) 18101 611 120 59 Reliance Infocom Ltd Internet 9829 590 449 11 BSNL National Internet Backbo 7545 588 148 101 TPG Internet Pty Ltd 4812 529 874 82 China Telecom (Shanghai) 4668 520 68 10 LG-EDS Systems Inc. 4808 520 795 122 CNCGROUP IP network: China169 17676 505 10919 64 Softbank BB Corp. 4802 470 128 149 Wantree Development 7474 461 202 273 SingTel Optus Pty Ltd 9443 439 121 70 Primus Telecommunications 9942 428 77 118 COMindico Australia 17974 407 145 17 PT TELEKOMUNIKASI INDONESIA 4837 366 5072 178 chinanet IDC center beijing n 4804 359 424 63 Microplex PTY LTD
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3292 411 1654 369 TDC Tele Danmark 24863 399 60 35 LINKdotNET AS number 3301 323 1458 297 TeliaNet Sweden 3320 316 6019 262 Deutsche Telekom AG 3300 304 172 120 AUCS Communications Services 8452 284 188 7 TEDATA 8551 279 268 35 Bezeq International 8866 277 78 24 Bulgarian Telecommunication C 3215 270 2583 92 France Telecom Transpac 8708 269 420 242 Romania Data Systems S.A. 6746 268 128 248 Dynamic Network Technologies, 5462 266 666 28 Telewest Broadband 8220 244 423 230 COLT Telecommunications 9116 242 184 28 Goldenlines main autonomous s 3352 238 1948 40 Ibernet, Internet Access Netw 9155 237 43 10 QualityNet AS number 3269 231 3037 68 TELECOM ITALIA 2856 220 2306 162 BTnet UK Regional network 9121 211 1444 26 TTnet Autonomous System 20858 201 34 3 EgyNet
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4538 2790 3022 37 China Education and Research 7018 1473 10177 990 AT&T WorldNet Services 4323 1387 1009 361 Time Warner Telecom 2386 1340 620 825 AT&T Data Communications Serv 11492 1202 134 15 Cable One 8151 1142 2388 220 UniNet S.A. de C.V. 6478 1095 330 135 AT&T Worldnet Services 18566 1036 288 9 Covad Communications 6197 1029 721 510 BellSouth Network Solutions, 7011 1010 297 590 Citizens Utilities 4134 980 11601 305 CHINANET-BACKBONE 174 971 6831 822 Cogent Communications 701 905 6559 712 UUNET Technologies, Inc. 20115 857 793 472 Charter Communications 19262 856 3126 173 Verizon Global Networks 3356 834 10906 416 Level 3 Communications, LLC 22773 834 2140 59 Cox Communications, Inc. 3561 797 2338 361 Savvis 1239 792 2664 550 Sprint 209 742 3783 588 Qwest
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1508 1437 Videsh Sanchar Nigam Ltd. Aut 11492 1202 1187 Cable One 18566 1036 1027 Covad Communications 4323 1387 1026 Time Warner Telecom 9498 1064 1003 BHARTI BT INTERNET LTD. 6478 1095 960 AT&T Worldnet Services 8151 1142 922 UniNet S.A. de C.V. 17488 936 852 Hathway IP Over Cable Interne 22773 834 775 Cox Communications, Inc. 19262 856 683 Verizon Global Networks 4134 980 675 CHINANET-BACKBONE 9583 1101 668 Sify Limited 5668 665 646 CenturyTel Internet Holdings, 9829 590 579 BSNL National Internet Backbo 6517 595 560 Yipes Communications, Inc. 18101 611 552 Reliance Infocom Ltd Internet 15270 592 548 PaeTec.net -a division of Pae 11830 545 536 Instituto Costarricense de El 19916 563 521 OLM LLC 6197 1029 519 BellSouth Network Solutions,
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net 65000 PRIVATE 78.108.160.0/24 39010 TerraNet sal 65068 PRIVATE 79.171.184.0/21 43895 * 65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans 65500 PRIVATE 83.142.233.0/24 20516 LuckyNet Israel 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA 65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA 65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA 65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA 65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA 65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans 64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In 65002 PRIVATE 198.128.4.0/24 292 Energy Sciences Netw 65001 PRIVATE 198.128.15.96/27 293 Energy Sciences Netw 65002 PRIVATE 198.129.33.36/32 292 Energy Sciences Netw 65001 PRIVATE 198.129.44.28/32 292 Energy Sciences Netw 65002 PRIVATE 198.129.224.96/29 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.32/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.112/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.116/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.120/30 292 Energy Sciences Netw 65201 PRIVATE 202.112.49.0/24 4538 China Education and 65201 PRIVATE 202.112.50.0/24 4538 China Education and 65201 PRIVATE 202.112.57.0/24 4538 China Education and 64555 PRIVATE 203.161.138.0/24 24130 PIPE Networks IX and 64555 PRIVATE 203.161.139.0/24 24130 PIPE Networks IX and 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 128.0.10.0/24 12479 Uni2 Autonomous System 172.31.46.0/24 38416 KRNIC 192.0.2.0/24 2854 RoSprint AS (Global One Russi
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 /11:40 /12:135 /13:277 /14:493 /15:981 /16:9860 /17:4310 /18:7033 /19:15239 /20:18087 /21:16499 /22:20691 /23:21725 /24:129659 /25:1035 /26:1223 /27:629 /28:285 /29:208 /30:312 /31:0 /32:94
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1202 1202 Cable One 6478 1094 1095 AT&T Worldnet Services 18566 1036 1036 Covad Communications 2386 1014 1340 AT&T Data Communications Serv 7011 919 1010 Citizens Utilities 6197 840 1029 BellSouth Network Solutions, 9498 836 1064 BHARTI BT INTERNET LTD. 20115 823 857 Charter Communications 4755 800 1508 Videsh Sanchar Nigam Ltd. Aut 22773 793 834 Cox Communications, Inc. 19262 755 856 Verizon Global Networks 8151 748 1142 UniNet S.A. de C.V. 23577 690 940 Korea Telecom (ATM-MPLS) 7018 675 1473 AT&T WorldNet Services 17488 674 936 Hathway IP Over Cable Interne 15270 559 592 PaeTec.net -a division of Pae 9829 547 590 BSNL National Internet Backbo 4668 511 520 LG-EDS Systems Inc. 33588 468 472 Bresnan Communications, LLC. 4134 466 980 CHINANET-BACKBONE
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:96 12:1948 13:3 15:21 16:3 17:6 18:14 20:35 24:1048 25:1 31:1 32:178 33:4 38:370 40:69 41:429 43:6 44:2 47:8 52:3 55:3 56:3 57:44 58:545 59:421 60:398 61:986 62:1087 63:1991 64:3396 65:2429 66:3646 67:1031 68:643 69:2087 70:482 71:120 72:1469 73:7 74:820 75:332 76:183 77:493 78:411 79:66 80:914 81:819 82:581 83:384 84:547 85:902 86:367 87:602 88:292 89:1075 90:39 91:875 92:55 93:2 96:2 97:7 98:28 114:1 115:1 116:455 117:231 118:68 119:81 121:382 122:668 123:229 124:756 125:1062 128:312 129:186 130:136 131:389 132:71 133:9 134:189 135:34 136:194 137:89 138:146 139:102 140:518 141:126 142:382 143:260 144:321 145:51 146:334 147:128 148:539 149:188 150:117 151:129 152:97 153:127 154:12 155:279 156:200 157:245 158:165 159:210 160:192 161:102 162:199 163:186 164:564 165:414 166:303 167:308 168:550 169:128 170:422 171:29 172:4 173:1 189:145 190:1330 192:5750 193:4073 194:3318 195:2424 196:1009 198:3895 199:3232 200:5365 201:1314 202:7864 203:7853 204:4010 205:2054 206:2482 207:2836 208:3107 209:3647 210:2850 211:1234 212:1280 213:1621 214:439 215:45 216:4179 217:1224 218:395 219:470 220:1005 221:413 222:337
End of report
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