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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 06 Nov, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 273034 Prefixes after maximum aggregation: 131625 Deaggregation factor: 2.07 Unique aggregates announced to Internet: 133401 Total ASes present in the Internet Routing Table: 29701 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 25848 Origin ASes announcing only one prefix: 12585 Transit ASes present in the Internet Routing Table: 3853 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: 18 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 574 Unregistered ASNs in the Routing Table: 202 Number of 32-bit ASNs allocated by the RIRs: 61 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 195 Number of addresses announced to Internet: 1920569792 Equivalent to 114 /8s, 121 /16s and 145 /24s Percentage of available address space announced: 51.8 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 82.8 Percentage of address space in use by end-sites: 74.2 Total number of prefixes smaller than registry allocations: 134338
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 62473 Total APNIC prefixes after maximum aggregation: 23377 APNIC Deaggregation factor: 2.67 Prefixes being announced from the APNIC address blocks: 59397 Unique aggregates announced from the APNIC address blocks: 27006 APNIC Region origin ASes present in the Internet Routing Table: 3451 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 932 APNIC Region transit ASes present in the Internet Routing Table: 534 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 380239008 Equivalent to 22 /8s, 169 /16s and 252 /24s Percentage of available APNIC address space announced: 80.9
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: 123665 Total ARIN prefixes after maximum aggregation: 64966 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 93143 Unique aggregates announced from the ARIN address blocks: 35549 ARIN Region origin ASes present in the Internet Routing Table: 12564 ARIN Prefixes per ASN: 7.41 ARIN Region origin ASes announcing only one prefix: 4860 ARIN Region transit ASes present in the Internet Routing Table: 1196 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 369089184 Equivalent to 21 /8s, 255 /16s and 218 /24s Percentage of available ARIN address space announced: 75.9
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: 60054 Total RIPE prefixes after maximum aggregation: 35977 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 55730 Unique aggregates announced from the RIPE address blocks: 37091 RIPE Region origin ASes present in the Internet Routing Table: 12123 RIPE Prefixes per ASN: 4.60 RIPE Region origin ASes announcing only one prefix: 6370 RIPE Region transit ASes present in the Internet Routing Table: 1847 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 377617824 Equivalent to 22 /8s, 129 /16s and 253 /24s Percentage of available RIPE address space announced: 86.6
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, 47104-49151 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: 22140 Total LACNIC prefixes after maximum aggregation: 5543 LACNIC Deaggregation factor: 3.99 Prefixes being announced from the LACNIC address blocks: 20210 Unique aggregates announced from the LACNIC address blocks: 11305 LACNIC Region origin ASes present in the Internet Routing Table: 1028 LACNIC Prefixes per ASN: 19.66 LACNIC Region origin ASes announcing only one prefix: 342 LACNIC Region transit ASes present in the Internet Routing Table: 168 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 57681920 Equivalent to 3 /8s, 112 /16s and 40 /24s Percentage of available LACNIC address space announced: 57.3
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: 4149 Total AfriNIC prefixes after maximum aggregation: 1331 AfriNIC Deaggregation factor: 3.12 Prefixes being announced from the AfriNIC address blocks: 4430 Unique aggregates announced from the AfriNIC address blocks: 2125 AfriNIC Region origin ASes present in the Internet Routing Table: 266 AfriNIC Prefixes per ASN: 16.65 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 12919296 Equivalent to 0 /8s, 197 /16s and 34 /24s Percentage of available AfriNIC address space announced: 25.7
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4755 1510 523 211 TATA Communications formerly 17488 1408 99 102 Hathway IP Over Cable Interne 9583 1110 87 470 Sify Limited 4766 883 6408 363 Korea Telecom (KIX) 4134 877 13804 360 CHINANET-BACKBONE 23577 816 35 701 Korea Telecom (ATM-MPLS) 18101 783 161 67 Reliance Infocom Ltd Internet 4780 726 357 63 Digital United Inc. 9498 694 295 54 BHARTI BT INTERNET LTD. 4808 630 1172 143 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 4352 3416 340 bellsouth.net, inc. 209 3042 4035 622 Qwest 6298 2077 326 689 Cox Communicatons 1785 1693 717 154 PaeTec Communications, Inc. 20115 1657 1442 725 Charter Communications 6478 1648 363 191 AT&T Worldnet Services 2386 1587 699 897 AT&T Data Communications Serv 4323 1571 1084 377 Time Warner Telecom 7018 1414 5872 982 AT&T WorldNet Services 11492 1210 149 16 Cable One
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 428 1766 380 TDC Tele Danmark 30890 348 94 188 SC Kappa Invexim SRL 3215 330 2772 98 France Telecom Transpac 3301 330 1428 301 TeliaNet Sweden 8866 330 111 23 Bulgarian Telecommunication C 3320 325 7063 274 Deutsche Telekom AG 5462 300 794 27 Telewest Broadband 8452 295 188 11 TEDATA 25233 291 44 26 Awalnet 8551 287 270 37 Bezeq International
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 1399 2833 222 UniNet S.A. de C.V. 11830 670 299 9 Instituto Costarricense de El 22047 566 270 14 VTR PUNTO NET S.A. 10620 545 126 59 TVCABLE BOGOTA 7303 486 243 64 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 419 85 48 ENTEL CHILE S.A. 11172 406 118 72 Servicios Alestra S.A de C.V 28573 338 464 23 NET Servicos de Comunicao S.A 14117 330 23 9 Telefonica del Sur 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 562 73 44 LINKdotNET AS number 3741 270 856 226 The Internet Solution 20858 258 34 3 EgyNet 2018 236 215 139 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 141 10 15 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 116 6 3 Starcomms Nigeria Limited 5713 114 555 63 Telkom SA Ltd 29571 113 13 9 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 4352 3416 340 bellsouth.net, inc. 209 3042 4035 622 Qwest 6298 2077 326 689 Cox Communicatons 1785 1693 717 154 PaeTec Communications, Inc. 20115 1657 1442 725 Charter Communications 6478 1648 363 191 AT&T Worldnet Services 2386 1587 699 897 AT&T Data Communications Serv 4323 1571 1084 377 Time Warner Telecom 4755 1510 523 211 TATA Communications formerly 7018 1414 5872 982 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 3042 2420 Qwest 1785 1693 1539 PaeTec Communications, Inc. 6478 1648 1457 AT&T Worldnet Services 6298 2077 1388 Cox Communicatons 17488 1408 1306 Hathway IP Over Cable Interne 4755 1510 1299 TATA Communications formerly 4323 1571 1194 Time Warner Telecom 11492 1210 1194 Cable One 8151 1399 1177 UniNet S.A. de C.V. 18566 1059 1049 Covad Communications
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 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 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 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.251.0/24 22555 Universal Talkware Corporatio 63.248.0.0/16 3356 Level 3 Communications, LLC
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 /10:18 /11:46 /12:149 /13:298 /14:539 /15:1071 /16:10142 /17:4412 /18:7656 /19:16469 /20:19300 /21:18976 /22:23978 /23:24907 /24:142266 /25:830 /26:1019 /27:828 /28:86 /29:9 /30:1 /31:0 /32:7
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2847 4352 bellsouth.net, inc. 6298 2051 2077 Cox Communicatons 209 1757 3042 Qwest 2386 1269 1587 AT&T Data Communications Serv 17488 1198 1408 Hathway IP Over Cable Interne 11492 1187 1210 Cable One 1785 1156 1693 PaeTec Communications, Inc. 6478 1105 1648 AT&T Worldnet Services 18566 1040 1059 Covad Communications 9583 977 1110 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:12 8:140 12:2175 13:2 15:21 16:3 17:5 20:35 24:1086 32:52 38:517 40:92 41:765 43:1 44:2 47:13 52:3 55:3 56:3 57:26 58:514 59:531 60:452 61:1030 62:1143 63:2009 64:3273 65:2432 66:3499 67:1309 68:805 69:2332 70:875 71:138 72:2064 73:7 74:1279 75:167 76:288 77:939 78:639 79:282 80:938 81:862 82:610 83:396 84:585 85:1062 86:510 87:706 88:350 89:1374 90:25 91:1676 92:293 93:949 94:289 95:4 96:83 97:124 98:382 99:14 113:38 114:117 115:143 116:1006 117:394 118:237 119:521 120:99 121:607 122:851 123:452 124:860 125:1225 128:353 129:217 130:135 131:408 132:72 133:9 134:186 135:31 136:224 137:100 138:145 139:82 140:414 141:111 142:391 143:303 144:303 145:51 146:373 147:141 148:526 149:212 150:128 151:208 152:150 153:137 154:10 155:272 156:174 157:301 158:168 159:300 160:273 161:140 162:254 163:185 164:517 165:505 166:363 167:341 168:633 169:155 170:454 171:40 172:10 173:127 187:18 188:1 189:295 190:2363 192:5824 193:4154 194:3290 195:2642 196:1017 198:3699 199:3309 200:5542 201:1485 202:7669 203:8049 204:3925 205:2179 206:2319 207:2771 208:3712 209:3480 210:2589 211:1093 212:1521 213:1634 214:70 215:25 216:4410 217:1249 218:350 219:430 220:1057 221:417 222:301
End of report
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