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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 27 Oct, 2008
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 272020 Prefixes after maximum aggregation: 131153 Deaggregation factor: 2.07 Unique aggregates announced to Internet: 132522 Total ASes present in the Internet Routing Table: 29604 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 25758 Origin ASes announcing only one prefix: 12547 Transit ASes present in the Internet Routing Table: 3846 Transit-only ASes present in the Internet Routing Table: 83 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 19 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 559 Unregistered ASNs in the Routing Table: 200 Number of 32-bit ASNs allocated by the RIRs: 61 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: 751 Number of addresses announced to Internet: 1912525248 Equivalent to 113 /8s, 254 /16s and 209 /24s Percentage of available address space announced: 51.6 Percentage of allocated address space announced: 62.7 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.9 Total number of prefixes smaller than registry allocations: 133875
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 62380 Total APNIC prefixes after maximum aggregation: 23268 APNIC Deaggregation factor: 2.68 Prefixes being announced from the APNIC address blocks: 59335 Unique aggregates announced from the APNIC address blocks: 26785 APNIC Region origin ASes present in the Internet Routing Table: 3420 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 917 APNIC Region transit ASes present in the Internet Routing Table: 533 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 379780768 Equivalent to 22 /8s, 162 /16s and 254 /24s Percentage of available APNIC address space announced: 80.8
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: 123106 Total ARIN prefixes after maximum aggregation: 64809 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 92496 Unique aggregates announced from the ARIN address blocks: 35117 ARIN Region origin ASes present in the Internet Routing Table: 12541 ARIN Prefixes per ASN: 7.38 ARIN Region origin ASes announcing only one prefix: 4853 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: 363950496 Equivalent to 21 /8s, 177 /16s and 113 /24s Percentage of available ARIN address space announced: 74.8
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: 59848 Total RIPE prefixes after maximum aggregation: 35801 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 55026 Unique aggregates announced from the RIPE address blocks: 36552 RIPE Region origin ASes present in the Internet Routing Table: 12094 RIPE Prefixes per ASN: 4.55 RIPE Region origin ASes announcing only one prefix: 6360 RIPE Region transit ASes present in the Internet Routing Table: 1843 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 376311456 Equivalent to 22 /8s, 110 /16s and 14 /24s Percentage of available RIPE address space announced: 86.3
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: 22017 Total LACNIC prefixes after maximum aggregation: 5521 LACNIC Deaggregation factor: 3.99 Prefixes being announced from the LACNIC address blocks: 20106 Unique aggregates announced from the LACNIC address blocks: 11232 LACNIC Region origin ASes present in the Internet Routing Table: 1016 LACNIC Prefixes per ASN: 19.79 LACNIC Region origin ASes announcing only one prefix: 336 LACNIC Region transit ASes present in the Internet Routing Table: 169 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 57419776 Equivalent to 3 /8s, 108 /16s and 40 /24s Percentage of available LACNIC address space announced: 57.0
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: 4121 Total AfriNIC prefixes after maximum aggregation: 1317 AfriNIC Deaggregation factor: 3.13 Prefixes being announced from the AfriNIC address blocks: 4347 Unique aggregates announced from the AfriNIC address blocks: 2108 AfriNIC Region origin ASes present in the Internet Routing Table: 263 AfriNIC Prefixes per ASN: 16.53 AfriNIC Region origin ASes announcing only one prefix: 81 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: 15 Number of AfriNIC addresses announced to Internet: 12871936 Equivalent to 0 /8s, 196 /16s and 105 /24s Percentage of available AfriNIC address space announced: 38.4
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 1492 526 199 TATA Communications formerly 17488 1392 97 105 Hathway IP Over Cable Interne 9583 1108 87 475 Sify Limited 4766 883 6408 364 Korea Telecom (KIX) 4134 854 13760 352 CHINANET-BACKBONE 23577 815 35 696 Korea Telecom (ATM-MPLS) 18101 782 161 67 Reliance Infocom Ltd Internet 4780 724 357 63 Digital United Inc. 9498 690 295 54 BHARTI BT INTERNET LTD. 4808 627 1164 142 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 4353 3416 338 bellsouth.net, inc. 209 3056 4035 624 Qwest 6298 2026 320 708 Cox Communicatons 1785 1696 718 159 PaeTec Communications, Inc. 20115 1650 1437 723 Charter Communications 2386 1586 699 897 AT&T Data Communications Serv 4323 1561 1084 375 Time Warner Telecom 7018 1418 5873 982 AT&T WorldNet Services 6478 1322 274 200 AT&T Worldnet Services 11492 1212 152 11 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 432 1777 384 TDC Tele Danmark 30890 348 94 188 SC Kappa Invexim SRL 3301 330 1428 300 TeliaNet Sweden 3215 328 2756 106 France Telecom Transpac 8866 328 111 23 Bulgarian Telecommunication C 3320 326 7063 275 Deutsche Telekom AG 5462 301 794 27 Telewest Broadband 25233 296 45 28 Awalnet 8551 287 270 37 Bezeq International 680 273 2047 263 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 1396 2833 221 UniNet S.A. de C.V. 11830 670 299 9 Instituto Costarricense de El 22047 566 270 14 VTR PUNTO NET S.A. 10620 518 122 63 TVCABLE BOGOTA 7303 494 243 70 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 419 85 48 ENTEL CHILE S.A. 11172 408 118 73 Servicios Alestra S.A de C.V 28573 352 463 25 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 548 72 42 LINKdotNET AS number 3741 269 856 225 The Internet Solution 20858 254 34 3 EgyNet 2018 234 215 138 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 138 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 116 6 3 Starcomms Nigeria Limited 5713 113 555 64 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 4353 3416 338 bellsouth.net, inc. 209 3056 4035 624 Qwest 6298 2026 320 708 Cox Communicatons 1785 1696 718 159 PaeTec Communications, Inc. 20115 1650 1437 723 Charter Communications 2386 1586 699 897 AT&T Data Communications Serv 4323 1561 1084 375 Time Warner Telecom 4755 1492 526 199 TATA Communications formerly 7018 1418 5873 982 AT&T WorldNet Services 8151 1396 2833 221 UniNet S.A. de C.V.
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 209 3056 2432 Qwest 1785 1696 1537 PaeTec Communications, Inc. 6298 2026 1318 Cox Communicatons 4755 1492 1293 TATA Communications formerly 17488 1392 1287 Hathway IP Over Cable Interne 11492 1212 1201 Cable One 4323 1561 1186 Time Warner Telecom 8151 1396 1175 UniNet S.A. de C.V. 6478 1322 1122 AT&T Worldnet Services 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 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 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
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 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, Inc.
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 /11:46 /12:148 /13:298 /14:538 /15:1065 /16:10124 /17:4402 /18:7642 /19:16415 /20:19302 /21:18763 /22:23828 /23:24782 /24:141886 /25:816 /26:987 /27:835 /28:82 /29:9 /30:1 /31:0 /32:7
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2851 4353 bellsouth.net, inc. 6298 2000 2026 Cox Communicatons 209 1776 3056 Qwest 2386 1268 1586 AT&T Data Communications Serv 11492 1188 1212 Cable One 17488 1183 1392 Hathway IP Over Cable Interne 1785 1157 1696 PaeTec Communications, Inc. 6478 1105 1322 AT&T Worldnet Services 18566 1040 1059 Covad Communications 9583 975 1108 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 12:2180 13:2 15:21 16:3 17:5 20:35 24:1084 32:56 38:510 40:92 41:712 43:1 44:2 47:13 52:3 55:3 56:3 57:27 58:519 59:532 60:452 61:1030 62:1135 63:2034 64:3254 65:2431 66:3499 67:1283 68:805 69:2333 70:865 71:138 72:2050 73:7 74:1261 75:168 76:284 77:925 78:812 79:282 80:926 81:850 82:607 83:393 84:593 85:1073 86:507 87:693 88:345 89:1365 90:23 91:1639 92:288 93:955 94:268 95:3 96:81 97:116 98:361 99:13 113:26 114:112 115:126 116:995 117:382 118:238 119:512 120:95 121:609 122:851 123:461 124:865 125:1192 128:353 129:207 130:135 131:418 132:72 133:9 134:185 135:31 136:221 137:98 138:146 139:81 140:409 141:105 142:389 143:297 144:326 145:51 146:374 147:141 148:522 149:212 150:128 151:208 152:147 153:135 154:10 155:279 156:174 157:302 158:169 159:301 160:274 161:139 162:255 163:133 164:520 165:503 166:363 167:338 168:623 169:155 170:449 171:33 172:10 173:56 187:18 188:1 189:299 190:2342 192:5754 193:4152 194:3270 195:2619 196:1011 198:3712 199:3299 200:5558 201:1452 202:7771 203:8027 204:3920 205:2166 206:2286 207:2761 208:3713 209:3437 210:2575 211:1094 212:1545 213:1618 214:174 215:25 216:4427 217:1249 218:349 219:438 220:1056 221:416 222:300
End of report
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