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Routing Table Report 04:00 +10GMT Fri 29 Aug, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 267103 Prefixes after maximum aggregation: 129628 Deaggregation factor: 2.06 Unique aggregates announced to Internet: 130053 Total ASes present in the Internet Routing Table: 29067 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 25311 Origin ASes announcing only one prefix: 12251 Transit ASes present in the Internet Routing Table: 3756 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: 26 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 568 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: 761 Number of addresses announced to Internet: 1894845536 Equivalent to 112 /8s, 241 /16s and 12 /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: 130985
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 61316 Total APNIC prefixes after maximum aggregation: 22736 APNIC Deaggregation factor: 2.70 Prefixes being announced from the APNIC address blocks: 58276 Unique aggregates announced from the APNIC address blocks: 26263 APNIC Region origin ASes present in the Internet Routing Table: 3351 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 883 APNIC Region transit ASes present in the Internet Routing Table: 511 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 374190880 Equivalent to 22 /8s, 77 /16s and 179 /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: 122422 Total ARIN prefixes after maximum aggregation: 64902 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 91510 Unique aggregates announced from the ARIN address blocks: 35010 ARIN Region origin ASes present in the Internet Routing Table: 12401 ARIN Prefixes per ASN: 7.38 ARIN Region origin ASes announcing only one prefix: 4776 ARIN Region transit ASes present in the Internet Routing Table: 1186 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 360813664 Equivalent to 21 /8s, 129 /16s and 148 /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: 57651 Total RIPE prefixes after maximum aggregation: 34959 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 52766 Unique aggregates announced from the RIPE address blocks: 35525 RIPE Region origin ASes present in the Internet Routing Table: 11784 RIPE Prefixes per ASN: 4.48 RIPE Region origin ASes announcing only one prefix: 6184 RIPE Region transit ASes present in the Internet Routing Table: 1792 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 369971712 Equivalent to 22 /8s, 13 /16s and 82 /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: 21102 Total LACNIC prefixes after maximum aggregation: 5304 LACNIC Deaggregation factor: 3.98 Prefixes being announced from the LACNIC address blocks: 19350 Unique aggregates announced from the LACNIC address blocks: 10778 LACNIC Region origin ASes present in the Internet Routing Table: 987 LACNIC Prefixes per ASN: 19.60 LACNIC Region origin ASes announcing only one prefix: 323 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: 19 Number of LACNIC addresses announced to Internet: 54784256 Equivalent to 3 /8s, 67 /16s and 241 /24s Percentage of available LACNIC address space announced: 54.4
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: 4044 Total AfriNIC prefixes after maximum aggregation: 1252 AfriNIC Deaggregation factor: 3.23 Prefixes being announced from the AfriNIC address blocks: 4385 Unique aggregates announced from the AfriNIC address blocks: 1890 AfriNIC Region origin ASes present in the Internet Routing Table: 253 AfriNIC Prefixes per ASN: 17.33 AfriNIC Region origin ASes announcing only one prefix: 85 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 12649216 Equivalent to 0 /8s, 193 /16s and 3 /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 537 179 Videsh Sanchar Nigam Ltd. Aut 17488 1378 89 104 Hathway IP Over Cable Interne 9583 1112 89 491 Sify Limited 4766 871 6407 355 Korea Telecom (KIX) 4134 838 13619 341 CHINANET-BACKBONE 23577 822 35 697 Korea Telecom (ATM-MPLS) 4780 713 353 61 Digital United Inc. 18101 695 167 33 Reliance Infocom Ltd Internet 9498 673 291 53 BHARTI BT INTERNET LTD. 4808 624 1112 137 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 4065 3416 336 bellsouth.net, inc. 209 2878 3873 619 Qwest 6298 2005 322 708 Cox Communicatons 1785 1650 710 156 AppliedTheory Corporation 2386 1559 691 900 AT&T Data Communications Serv 4323 1495 1073 374 Time Warner Telecom 20115 1457 1168 652 Charter Communications 7018 1409 5785 978 AT&T WorldNet Services 11492 1214 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 1581 2592 227 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 7303 477 235 67 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 420 85 48 ENTEL CHILE S.A. 10620 417 102 66 TVCABLE BOGOTA 11172 409 118 73 Servicios Alestra S.A de C.V 28573 334 440 28 NET Servicos de Comunicao S.A 10481 310 136 9 Prima 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 136 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 4065 3416 336 bellsouth.net, inc. 209 2878 3873 619 Qwest 6298 2005 322 708 Cox Communicatons 4755 1711 537 179 Videsh Sanchar Nigam Ltd. Aut 1785 1650 710 156 AppliedTheory Corporation 8151 1581 2592 227 UniNet S.A. de C.V. 2386 1559 691 900 AT&T Data Communications Serv 4323 1495 1073 374 Time Warner Telecom 20115 1457 1168 652 Charter Communications 7018 1409 5785 978 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 2878 2259 Qwest 4755 1711 1532 Videsh Sanchar Nigam Ltd. Aut 1785 1650 1494 AppliedTheory Corporation 8151 1581 1354 UniNet S.A. de C.V. 6298 2005 1297 Cox Communicatons 17488 1378 1274 Hathway IP Over Cable Interne 11492 1214 1192 Cable One 4323 1495 1121 Time Warner Telecom 18566 1045 1035 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 7018 AT&T WorldNet Servic 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 /16:10056 /17:4377 /18:7615 /19:16058 /20:18745 /21:18389 /22:23146 /23:24237 /24:139683 /25:838 /26:1022 /27:716 /28:89 /29:9 /30:1 /31:0 /32:7
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2705 4065 bellsouth.net, inc. 6298 1978 2005 Cox Communicatons 209 1645 2878 Qwest 2386 1237 1559 AT&T Data Communications Serv 11492 1195 1214 Cable One 17488 1187 1378 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 1026 1045 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:137 12:2137 13:2 15:22 16:3 17:5 18:13 20:35 24:1082 32:59 38:488 40:92 41:713 43:1 44:2 47:12 52:3 55:3 56:3 57:26 58:526 59:510 60:469 61:966 62:1207 63:2047 64:3231 65:2365 66:3449 67:1223 68:778 69:2292 70:867 71:132 72:2027 73:6 74:1120 75:170 76:314 77:770 78:798 79:239 80:973 81:871 82:583 83:374 84:570 85:981 86:401 87:716 88:338 89:1318 90:37 91:1433 92:256 93:810 94:111 96:62 97:63 98:315 99:6 114:96 115:47 116:1001 117:338 118:194 119:482 120:84 121:587 122:824 123:397 124:836 125:1185 128:355 129:202 130:133 131:412 132:70 133:9 134:188 135:34 136:223 137:94 138:141 139:94 140:506 141:103 142:405 143:321 144:408 145:51 146:371 147:157 148:513 149:200 150:126 151:179 152:145 153:136 154:10 155:279 156:173 157:298 158:163 159:298 160:272 161:135 162:256 163:158 164:516 165:466 166:365 167:332 168:627 169:142 170:428 171:33 172:10 173:33 188:1 189:554 190:2021 192:5793 193:4144 194:3251 195:2573 196:1027 198:3739 199:3312 200:5562 201:1492 202:7640 203:8085 204:3948 205:2156 206:2371 207:2754 208:3518 209:3428 210:2603 211:1080 212:1409 213:1615 214:176 215:50 216:4386 217:1202 218:347 219:433 220:1061 221:428 222:313
End of report
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