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Routing Table Report 04:00 +10GMT Sun 31 Aug, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 267400 Prefixes after maximum aggregation: 129570 Deaggregation factor: 2.06 Unique aggregates announced to Internet: 130054 Total ASes present in the Internet Routing Table: 29093 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 25323 Origin ASes announcing only one prefix: 12269 Transit ASes present in the Internet Routing Table: 3770 Transit-only ASes present in the Internet Routing Table: 84 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 584 Unregistered ASNs in the Routing Table: 212 Number of 32-bit ASNs allocated by the RIRs: 59 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 756 Number of addresses announced to Internet: 1894921504 Equivalent to 112 /8s, 242 /16s and 53 /24s Percentage of available address space announced: 51.1 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.3 Total number of prefixes smaller than registry allocations: 131247
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 61334 Total APNIC prefixes after maximum aggregation: 22753 APNIC Deaggregation factor: 2.70 Prefixes being announced from the APNIC address blocks: 58284 Unique aggregates announced from the APNIC address blocks: 26188 APNIC Region origin ASes present in the Internet Routing Table: 3347 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 887 APNIC Region transit ASes present in the Internet Routing Table: 512 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 374323488 Equivalent to 22 /8s, 79 /16s and 185 /24s Percentage of available APNIC address space announced: 79.7
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, 112/8, 113/8, 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: 122462 Total ARIN prefixes after maximum aggregation: 64807 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 91577 Unique aggregates announced from the ARIN address blocks: 35028 ARIN Region origin ASes present in the Internet Routing Table: 12417 ARIN Prefixes per ASN: 7.38 ARIN Region origin ASes announcing only one prefix: 4777 ARIN Region transit ASes present in the Internet Routing Table: 1191 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 360801376 Equivalent to 21 /8s, 129 /16s and 100 /24s Percentage of available ARIN address space announced: 74.2
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: 57678 Total RIPE prefixes after maximum aggregation: 34980 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 52794 Unique aggregates announced from the RIPE address blocks: 35541 RIPE Region origin ASes present in the Internet Routing Table: 11795 RIPE Prefixes per ASN: 4.48 RIPE Region origin ASes announcing only one prefix: 6192 RIPE Region transit ASes present in the Internet Routing Table: 1798 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 370095296 Equivalent to 22 /8s, 15 /16s and 52 /24s Percentage of available RIPE address space announced: 84.8
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: 21296 Total LACNIC prefixes after maximum aggregation: 5305 LACNIC Deaggregation factor: 4.01 Prefixes being announced from the LACNIC address blocks: 19544 Unique aggregates announced from the LACNIC address blocks: 10818 LACNIC Region origin ASes present in the Internet Routing Table: 989 LACNIC Prefixes per ASN: 19.76 LACNIC Region origin ASes announcing only one prefix: 326 LACNIC Region transit ASes present in the Internet Routing Table: 167 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 54873600 Equivalent to 3 /8s, 69 /16s and 78 /24s Percentage of available LACNIC address space announced: 54.5
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: 4046 Total AfriNIC prefixes after maximum aggregation: 1253 AfriNIC Deaggregation factor: 3.23 Prefixes being announced from the AfriNIC address blocks: 4394 Unique aggregates announced from the AfriNIC address blocks: 1908 AfriNIC Region origin ASes present in the Internet Routing Table: 253 AfriNIC Prefixes per ASN: 17.37 AfriNIC Region origin ASes announcing only one prefix: 87 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 12653824 Equivalent to 0 /8s, 193 /16s and 21 /24s Percentage of available AfriNIC address space announced: 37.7
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 1711 538 180 Videsh Sanchar Nigam Ltd. Aut 17488 1362 89 103 Hathway IP Over Cable Interne 9583 1115 89 491 Sify Limited 4766 871 6407 357 Korea Telecom (KIX) 4134 838 13619 341 CHINANET-BACKBONE 23577 820 35 696 Korea Telecom (ATM-MPLS) 4780 714 353 61 Digital United Inc. 18101 690 167 29 Reliance Infocom Ltd Internet 9498 676 291 52 BHARTI BT INTERNET LTD. 4808 627 1140 138 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 6389 4301 3416 343 bellsouth.net, inc. 209 2895 3873 619 Qwest 6298 2013 323 717 Cox Communicatons 1785 1650 710 156 AppliedTheory Corporation 2386 1558 691 900 AT&T Data Communications Serv 4323 1501 1073 374 Time Warner Telecom 20115 1478 1194 670 Charter Communications 7018 1408 5769 977 AT&T WorldNet Services 11492 1211 151 22 Cable One 6478 1134 239 187 AT&T Worldnet Services
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 414 1776 372 TDC Tele Danmark 3215 396 2756 106 France Telecom Transpac 8452 358 188 11 TEDATA 3301 334 1444 305 TeliaNet Sweden 3320 323 7047 271 Deutsche Telekom AG 8866 317 77 21 Bulgarian Telecommunication C 5462 296 666 27 Telewest Broadband 8551 288 270 38 Bezeq International 680 275 2047 265 DFN-IP service G-WiN 8708 267 422 252 Romania Data Systems S.A.
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 1591 2608 225 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 7303 478 235 66 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 421 85 48 ENTEL CHILE S.A. 10620 417 102 66 TVCABLE BOGOTA 11172 409 118 73 Servicios Alestra S.A de C.V 14117 345 23 9 Telefonica del Sur S.A. 28573 336 440 29 NET Servicos de Comunicao S.A
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 508 65 36 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 266 855 223 The Internet Solution 2018 229 214 135 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 119 6 3 Starcomms Nigeria Limited 5713 118 539 70 Telkom SA Ltd 29571 107 13 8 Ci Telecom Autonomous system
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 4301 3416 343 bellsouth.net, inc. 209 2895 3873 619 Qwest 6298 2013 323 717 Cox Communicatons 4755 1711 538 180 Videsh Sanchar Nigam Ltd. Aut 1785 1650 710 156 AppliedTheory Corporation 8151 1591 2608 225 UniNet S.A. de C.V. 2386 1558 691 900 AT&T Data Communications Serv 4323 1501 1073 374 Time Warner Telecom 20115 1478 1194 670 Charter Communications 7018 1408 5769 977 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 209 2895 2276 Qwest 4755 1711 1531 Videsh Sanchar Nigam Ltd. Aut 1785 1650 1494 AppliedTheory Corporation 8151 1591 1366 UniNet S.A. de C.V. 6298 2013 1296 Cox Communicatons 17488 1362 1259 Hathway IP Over Cable Interne 11492 1211 1189 Cable One 4323 1501 1127 Time Warner Telecom 18566 1046 1036 Covad Communications 6478 1134 947 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies, 22492 UNALLOCATED 12.2.46.0/24 7018 AT&T WorldNet Servic 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 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.75.160.0/19 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 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, Inc. 63.143.251.0/24 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 /8:18 /9:9 /10:17 /11:45 /12:146 /13:292 /14:527 /15:1061 /16:10052 /17:4380 /18:7620 /19:16073 /20:18761 /21:18408 /22:23183 /23:24250 /24:139872 /25:840 /26:1014 /27:727 /28:88 /29:9 /30:1 /31:0 /32:7
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2857 4301 bellsouth.net, inc. 6298 1986 2013 Cox Communicatons 209 1662 2895 Qwest 2386 1236 1558 AT&T Data Communications Serv 11492 1192 1211 Cable One 17488 1170 1362 Hathway IP Over Cable Interne 1785 1119 1650 AppliedTheory Corporation 4755 1048 1711 Videsh Sanchar Nigam Ltd. Aut 6478 1027 1134 AT&T Worldnet Services 18566 1027 1046 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:130 12:2138 13:2 15:22 16:3 17:5 18:13 20:35 24:1082 32:59 38:490 40:92 41:714 43:1 44:2 47:12 52:3 55:3 56:3 57:26 58:526 59:510 60:452 61:962 62:1207 63:2048 64:3235 65:2369 66:3457 67:1230 68:780 69:2294 70:872 71:132 72:2028 73:6 74:1128 75:170 76:314 77:770 78:801 79:239 80:978 81:871 82:583 83:374 84:575 85:981 86:401 87:716 88:339 89:1320 90:37 91:1430 92:251 93:810 94:115 96:62 97:65 98:318 99:6 114:92 115:41 116:1001 117:342 118:200 119:480 120:83 121:586 122:825 123:398 124:836 125:1186 128:352 129:202 130:134 131:413 132:70 133:9 134:188 135:34 136:223 137:93 138:141 139:94 140:507 141:103 142:407 143:311 144:406 145:51 146:370 147:157 148:511 149:204 150:128 151:180 152:144 153:136 154:10 155:279 156:174 157:298 158:163 159:299 160:274 161:136 162:256 163:158 164:516 165:491 166:365 167:332 168:628 169:144 170:429 171:33 172:10 173:33 188:1 189:554 190:2139 192:5788 193:4137 194:3252 195:2573 196:1022 198:3737 199:3307 200:5581 201:1526 202:7633 203:8082 204:3942 205:2155 206:2360 207:2760 208:3523 209:3431 210:2601 211:1088 212:1403 213:1614 214:178 215:50 216:4375 217:1206 218:346 219:433 220:1062 221:428 222:314
End of report
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