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Routing Table Report 04:00 +10GMT Mon 28 Apr, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 254094 Prefixes after maximum aggregation: 127017 Deaggregation factor: 2.00 Unique aggregates announced to Internet: 123735 Total ASes present in the Internet Routing Table: 28037 Prefixes per ASN: 9.06 Origin-only ASes present in the Internet Routing Table: 24422 Origin ASes announcing only one prefix: 11370 Transit ASes present in the Internet Routing Table: 3615 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 19 Max AS path prepend of ASN (44859) 15 Prefixes from unregistered ASNs in the Routing Table: 25216 Unregistered ASNs in the Routing Table: 1882 Number of 32-bit ASNs allocated by the RIRs: 46 Prefixes from 32-bit ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 788 Number of addresses announced to Internet: 1864912160 Equivalent to 111 /8s, 40 /16s and 77 /24s Percentage of available address space announced: 50.3 Percentage of allocated address space announced: 61.8 Percentage of available address space allocated: 81.4 Percentage of address space in use by end-sites: 71.6 Total number of prefixes smaller than registry allocations: 122012
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 42923 Total APNIC prefixes after maximum aggregation: 13634 APNIC Deaggregation factor: 3.15 Prefixes being announced from the APNIC address blocks: 55274 Unique aggregates announced from the APNIC address blocks: 23997 APNIC Region origin ASes present in the Internet Routing Table: 1931 APNIC Prefixes per ASN: 28.62 APNIC Region origin ASes announcing only one prefix: 552 APNIC Region transit ASes present in the Internet Routing Table: 352 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 346606176 Equivalent to 20 /8s, 168 /16s and 202 /24s Percentage of available APNIC address space announced: 79.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 107603 Total ARIN prefixes after maximum aggregation: 59201 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 86440 Unique aggregates announced from the ARIN address blocks: 34203 ARIN Region origin ASes present in the Internet Routing Table: 11760 ARIN Prefixes per ASN: 7.35 ARIN Region origin ASes announcing only one prefix: 4582 ARIN Region transit ASes present in the Internet Routing Table: 1047 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 358942720 Equivalent to 21 /8s, 101 /16s and 8 /24s Percentage of available ARIN address space announced: 73.8
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, 46080-47103 ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 54768 Total RIPE prefixes after maximum aggregation: 33527 RIPE Deaggregation factor: 1.63 Prefixes being announced from the RIPE address blocks: 49989 Unique aggregates announced from the RIPE address blocks: 33486 RIPE Region origin ASes present in the Internet Routing Table: 11259 RIPE Prefixes per ASN: 4.44 RIPE Region origin ASes announcing only one prefix: 5881 RIPE Region transit ASes present in the Internet Routing Table: 1722 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 355135488 Equivalent to 21 /8s, 42 /16s and 240 /24s Percentage of available RIPE address space announced: 81.4
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, 47104 - 48127 RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 19792 Total LACNIC prefixes after maximum aggregation: 4927 LACNIC Deaggregation factor: 4.02 Prefixes being announced from the LACNIC address blocks: 18192 Unique aggregates announced from the LACNIC address blocks: 9848 LACNIC Region origin ASes present in the Internet Routing Table: 893 LACNIC Prefixes per ASN: 20.37 LACNIC Region origin ASes announcing only one prefix: 277 LACNIC Region transit ASes present in the Internet Routing Table: 155 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 50803712 Equivalent to 3 /8s, 7 /16s and 52 /24s Percentage of available LACNIC address space announced: 50.5
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 3791 Total AfriNIC prefixes after maximum aggregation: 1200 AfriNIC Deaggregation factor: 3.16 Prefixes being announced from the AfriNIC address blocks: 4142 Unique aggregates announced from the AfriNIC address blocks: 1841 AfriNIC Region origin ASes present in the Internet Routing Table: 239 AfriNIC Prefixes per ASN: 17.33 AfriNIC Region origin ASes announcing only one prefix: 78 AfriNIC Region transit ASes present in the Internet Routing Table: 46 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 11373824 Equivalent to 0 /8s, 173 /16s and 141 /24s Percentage of available AfriNIC address space announced: 33.9
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 4755 1637 387 91 Videsh Sanchar Nigam Ltd. Aut 9583 1162 129 195 Sify Limited 9498 1159 550 61 BHARTI BT INTERNET LTD. 17488 1052 69 87 Hathway IP Over Cable Interne 4134 857 12647 320 CHINANET-BACKBONE 4766 849 6006 345 Korea Telecom (KIX) 18101 680 149 54 Reliance Infocom Ltd Internet 9829 598 450 12 BSNL National Internet Backbo 1221 545 1919 419 Telstra Pty Ltd 4808 519 837 132 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4323 1424 1029 375 Time Warner Telecom 2386 1398 642 864 AT&T Data Communications Serv 7018 1397 5975 993 AT&T WorldNet Services 11492 1214 146 37 Cable One 7011 1097 319 624 Citizens Utilities 18566 1043 296 10 Covad Communications 1785 1012 511 106 AppliedTheory Corporation 6197 986 598 508 BellSouth Network Solutions, 174 969 6835 802 Cogent Communications 22773 933 2394 62 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3292 408 1787 368 TDC Tele Danmark 8452 356 188 7 TEDATA 9198 350 74 9 Kazakhtelecom Data Network Ad 3301 340 1459 308 TeliaNet Sweden 3320 323 7044 266 Deutsche Telekom AG 8866 297 78 24 Bulgarian Telecommunication C 5462 292 666 26 Telewest Broadband 8551 282 269 37 Bezeq International 3215 278 2679 89 France Telecom Transpac 6746 267 128 244 Dynamic Network Technologies,
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1198 2432 222 UniNet S.A. de C.V. 11830 601 299 9 Instituto Costarricense de El 22047 562 270 14 VTR PUNTO NET S.A. 7303 455 222 60 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 414 85 46 ENTEL CHILE S.A. 11172 414 117 69 Servicios Alestra S.A de C.V 10620 387 98 75 TVCABLE BOGOTA 14117 384 25 15 Telefonica del Sur S.A. 20299 308 36 31 NEWCOM AMERICAS
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 464 61 27 LINKdotNET AS number 3741 289 853 223 The Internet Solution 20858 217 34 3 EgyNet 2018 178 190 86 Tertiary Education Network 5713 150 558 120 Telkom SA Ltd 6713 143 135 11 Itissalat Al-MAGHRIB 33783 134 10 12 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 29571 116 13 8 Ci Telecom Autonomous system 33776 99 6 7 Starcomms Nigeria Limited
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 2768 3020 115 bellsouth.net, inc. 4755 1637 387 91 Videsh Sanchar Nigam Ltd. Aut 23577 1636 34 699 Korea Telecom (ATM-MPLS) 4323 1424 1029 375 Time Warner Telecom 2386 1398 642 864 AT&T Data Communications Serv 7018 1397 5975 993 AT&T WorldNet Services 11492 1214 146 37 Cable One 8151 1198 2432 222 UniNet S.A. de C.V. 9583 1162 129 195 Sify Limited 9498 1159 550 61 BHARTI BT INTERNET LTD.
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1637 1546 Videsh Sanchar Nigam Ltd. Aut 11492 1214 1177 Cable One 9498 1159 1098 BHARTI BT INTERNET LTD. 4323 1424 1049 Time Warner Telecom 18566 1043 1033 Covad Communications 8151 1198 976 UniNet S.A. de C.V. 9583 1162 967 Sify Limited 17488 1052 965 Hathway IP Over Cable Interne 17676 1016 951 Softbank BB Corp. 23577 1636 937 Korea Telecom (ATM-MPLS)
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo! 12180 UNALLOCATED 4.79.248.0/24 1239 Sprint 12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing 12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing 14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo! 16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies, 22492 UNALLOCATED 12.2.46.0/24 1239 Sprint 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.51.159.0/24 7843 Adelphia Corp. 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.75.192.0/18 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio
Complete listing at http://thyme.apnic.net/current/data-add-IANA
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 /11:42 /12:140 /13:280 /14:506 /15:999 /16:9874 /17:4353 /18:7286 /19:15357 /20:17767 /21:17125 /22:21539 /23:22626 /24:133865 /25:771 /26:914 /27:494 /28:94 /29:9 /30:1 /31:0 /32:8
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1200 1214 Cable One 2386 1096 1398 AT&T Data Communications Serv 18566 1024 1043 Covad Communications 9583 1000 1162 Sify Limited 7011 980 1097 Citizens Utilities 4755 973 1637 Videsh Sanchar Nigam Ltd. Aut 6478 924 925 AT&T Worldnet Services 17488 865 1052 Hathway IP Over Cable Interne 6389 863 2768 bellsouth.net, inc. 9498 834 1159 BHARTI BT INTERNET LTD.
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:106 12:2019 13:1 15:20 16:3 17:6 18:13 20:35 24:1067 25:1 32:61 33:4 38:416 40:94 41:651 44:2 47:8 52:3 55:3 56:3 57:22 58:514 59:457 60:440 61:982 62:1087 63:1957 64:3383 65:2399 66:3630 67:1150 68:672 69:2158 70:602 71:125 72:1677 73:6 74:942 75:226 76:291 77:647 78:609 79:146 80:898 81:852 82:601 83:373 84:545 85:1004 86:405 87:645 88:342 89:1265 90:11 91:1215 92:280 93:357 96:25 97:14 98:141 99:3 116:612 117:304 118:124 119:373 120:9 121:526 122:744 123:317 124:839 125:1115 128:320 129:198 130:128 131:400 132:65 133:9 134:179 135:31 136:222 137:113 138:150 139:60 140:489 141:96 142:437 143:283 144:346 145:50 146:360 147:150 148:502 149:180 150:126 151:175 152:142 153:127 154:10 155:265 156:207 157:265 158:168 159:222 160:254 161:110 162:210 163:195 164:579 165:445 166:298 167:319 168:613 169:127 170:422 171:28 172:2 189:164 190:1817 192:5770 193:4098 194:3257 195:2414 196:1065 198:3745 199:3229 200:5621 201:1443 202:7555 203:7804 204:3973 205:2095 206:2392 207:2760 208:3275 209:3468 210:2534 211:1047 212:1363 213:1646 214:446 215:50 216:4334 217:1219 218:353 219:407 220:1072 221:480 222:306
End of report
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