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Routing Table Report 04:00 +10GMT Thu 01 May, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 254791 Prefixes after maximum aggregation: 126951 Deaggregation factor: 2.01 Unique aggregates announced to Internet: 123449 Total ASes present in the Internet Routing Table: 28073 Prefixes per ASN: 9.08 Origin-only ASes present in the Internet Routing Table: 24466 Origin ASes announcing only one prefix: 11393 Transit ASes present in the Internet Routing Table: 3607 Transit-only ASes present in the Internet Routing Table: 81 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: 25230 Unregistered ASNs in the Routing Table: 1890 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: 1864483360 Equivalent to 111 /8s, 33 /16s and 194 /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: 71.7 Total number of prefixes smaller than registry allocations: 122506
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 43069 Total APNIC prefixes after maximum aggregation: 13447 APNIC Deaggregation factor: 3.20 Prefixes being announced from the APNIC address blocks: 55440 Unique aggregates announced from the APNIC address blocks: 23568 APNIC Region origin ASes present in the Internet Routing Table: 1932 APNIC Prefixes per ASN: 28.70 APNIC Region origin ASes announcing only one prefix: 554 APNIC Region transit ASes present in the Internet Routing Table: 351 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 346714208 Equivalent to 20 /8s, 170 /16s and 112 /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: 107883 Total ARIN prefixes after maximum aggregation: 59220 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 86639 Unique aggregates announced from the ARIN address blocks: 34312 ARIN Region origin ASes present in the Internet Routing Table: 11773 ARIN Prefixes per ASN: 7.36 ARIN Region origin ASes announcing only one prefix: 4601 ARIN Region transit ASes present in the Internet Routing Table: 1039 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 357861632 Equivalent to 21 /8s, 84 /16s and 137 /24s Percentage of available ARIN address space announced: 73.6
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: 54943 Total RIPE prefixes after maximum aggregation: 33581 RIPE Deaggregation factor: 1.64 Prefixes being announced from the RIPE address blocks: 50153 Unique aggregates announced from the RIPE address blocks: 33532 RIPE Region origin ASes present in the Internet Routing Table: 11269 RIPE Prefixes per ASN: 4.45 RIPE Region origin ASes announcing only one prefix: 5884 RIPE Region transit ASes present in the Internet Routing Table: 1720 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 355419648 Equivalent to 21 /8s, 47 /16s and 70 /24s Percentage of available RIPE address space announced: 81.5
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: 19856 Total LACNIC prefixes after maximum aggregation: 4960 LACNIC Deaggregation factor: 4.00 Prefixes being announced from the LACNIC address blocks: 18271 Unique aggregates announced from the LACNIC address blocks: 9823 LACNIC Region origin ASes present in the Internet Routing Table: 892 LACNIC Prefixes per ASN: 20.48 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: 4.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 50728960 Equivalent to 3 /8s, 6 /16s and 16 /24s Percentage of available LACNIC address space announced: 50.4
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: 3809 Total AfriNIC prefixes after maximum aggregation: 1212 AfriNIC Deaggregation factor: 3.14 Prefixes being announced from the AfriNIC address blocks: 4142 Unique aggregates announced from the AfriNIC address blocks: 1844 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 17.19 AfriNIC Region origin ASes announcing only one prefix: 77 AfriNIC Region transit ASes present in the Internet Routing Table: 48 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 11766016 Equivalent to 0 /8s, 179 /16s and 137 /24s Percentage of available AfriNIC address space announced: 35.1
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 1639 387 91 Videsh Sanchar Nigam Ltd. Aut 9583 1176 140 16 Sify Limited 9498 1165 550 61 BHARTI BT INTERNET LTD. 17488 1060 70 75 Hathway IP Over Cable Interne 4134 855 12615 319 CHINANET-BACKBONE 4766 846 6006 345 Korea Telecom (KIX) 18101 680 149 54 Reliance Infocom Ltd Internet 9829 598 450 12 BSNL National Internet Backbo 1221 544 1918 418 Telstra Pty Ltd 4808 516 833 130 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 1014 376 Time Warner Telecom 7018 1404 5977 999 AT&T WorldNet Services 2386 1397 642 864 AT&T Data Communications Serv 11492 1211 146 36 Cable One 7011 1095 318 624 Citizens Utilities 18566 1043 296 10 Covad Communications 1785 1014 511 106 AppliedTheory Corporation 6197 987 598 508 BellSouth Network Solutions, 174 970 6835 802 Cogent Communications 22773 934 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 407 1788 367 TDC Tele Danmark 9198 401 74 9 Kazakhtelecom Data Network Ad 8452 356 188 7 TEDATA 3301 338 1458 306 TeliaNet Sweden 3320 324 7044 267 Deutsche Telekom AG 8866 298 78 24 Bulgarian Telecommunication C 5462 292 666 26 Telewest Broadband 8551 282 269 37 Bezeq International 3215 277 2678 89 France Telecom Transpac 680 272 2047 262 DFN-IP service G-WiN
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 1201 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 416 85 46 ENTEL CHILE S.A. 11172 415 117 69 Servicios Alestra S.A de C.V 10620 388 99 76 TVCABLE BOGOTA 14117 384 25 15 Telefonica del Sur S.A. 20299 339 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 218 34 3 EgyNet 2018 179 190 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. 23577 1644 34 702 Korea Telecom (ATM-MPLS) 4755 1639 387 91 Videsh Sanchar Nigam Ltd. Aut 4323 1424 1014 376 Time Warner Telecom 7018 1404 5977 999 AT&T WorldNet Services 2386 1397 642 864 AT&T Data Communications Serv 11492 1211 146 36 Cable One 8151 1201 2432 222 UniNet S.A. de C.V. 9583 1176 140 16 Sify Limited 9498 1165 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 1639 1548 Videsh Sanchar Nigam Ltd. Aut 11492 1211 1175 Cable One 9583 1176 1160 Sify Limited 9498 1165 1104 BHARTI BT INTERNET LTD. 4323 1424 1048 Time Warner Telecom 18566 1043 1033 Covad Communications 17488 1060 985 Hathway IP Over Cable Interne 8151 1201 979 UniNet S.A. de C.V. 17676 1016 951 Softbank BB Corp. 23577 1644 942 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 12.9.150.0/24 701 UUNET Technologies, 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 /12:139 /13:280 /14:506 /15:1000 /16:9877 /17:4359 /18:7284 /19:15386 /20:17774 /21:17170 /22:21602 /23:22697 /24:134302 /25:783 /26:926 /27:495 /28:107 /29:9 /30:1 /31:0 /32:8
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1197 1211 Cable One 2386 1097 1397 AT&T Data Communications Serv 18566 1024 1043 Covad Communications 9583 1011 1176 Sify Limited 7011 978 1095 Citizens Utilities 4755 974 1639 Videsh Sanchar Nigam Ltd. Aut 6478 932 933 AT&T Worldnet Services 17488 872 1060 Hathway IP Over Cable Interne 6389 862 2768 bellsouth.net, inc. 9498 840 1165 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 12:2027 13:1 15:20 16:3 17:6 18:13 20:35 24:1067 25:1 32:61 33:4 38:418 40:95 41:661 44:2 47:8 52:3 55:3 56:3 57:22 58:511 59:459 60:441 61:984 62:1114 63:1964 64:3406 65:2432 66:3630 67:1168 68:672 69:2180 70:599 71:125 72:1672 73:6 74:950 75:226 76:300 77:649 78:607 79:149 80:898 81:855 82:623 83:371 84:548 85:1003 86:402 87:655 88:344 89:1257 90:11 91:1217 92:291 93:359 96:25 97:14 98:145 99:3 116:635 117:301 118:124 119:375 120:14 121:525 122:756 123:319 124:848 125:1116 128:321 129:198 130:128 131:404 132:66 133:9 134:179 135:32 136:222 137:113 138:150 139:60 140:483 141:96 142:436 143:284 144:348 145:50 146:360 147:150 148:507 149:182 150:131 151:181 152:142 153:133 154:10 155:268 156:207 157:266 158:168 159:221 160:253 161:110 162:211 163:192 164:582 165:448 166:303 167:319 168:613 169:128 170:422 171:28 172:2 189:144 190:1833 192:5765 193:4103 194:3260 195:2428 196:1055 198:3747 199:3228 200:5667 201:1448 202:7562 203:7822 204:4004 205:2090 206:2391 207:2762 208:3289 209:3460 210:2538 211:1046 212:1366 213:1650 214:452 215:50 216:4353 217:1220 218:347 219:407 220:1065 221:483 222:305
End of report
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