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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 30 Nov, 2009
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 304442 Prefixes after maximum aggregation: 141991 Deaggregation factor: 2.14 Unique aggregates announced to Internet: 150037 Total ASes present in the Internet Routing Table: 32810 Prefixes per ASN: 9.28 Origin-only ASes present in the Internet Routing Table: 28489 Origin ASes announcing only one prefix: 13895 Transit ASes present in the Internet Routing Table: 4321 Transit-only ASes present in the Internet Routing Table: 106 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 39 Max AS path prepend of ASN (22394) 36 Prefixes from unregistered ASNs in the Routing Table: 705 Unregistered ASNs in the Routing Table: 157 Number of 32-bit ASNs allocated by the RIRs: 341 Prefixes from 32-bit ASNs in the Routing Table: 279 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 204 Number of addresses announced to Internet: 2137791872 Equivalent to 127 /8s, 108 /16s and 29 /24s Percentage of available address space announced: 57.7 Percentage of allocated address space announced: 65.4 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.2 Total number of prefixes smaller than registry allocations: 146280
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 72719 Total APNIC prefixes after maximum aggregation: 25384 APNIC Deaggregation factor: 2.86 Prefixes being announced from the APNIC address blocks: 69437 Unique aggregates announced from the APNIC address blocks: 30910 APNIC Region origin ASes present in the Internet Routing Table: 3884 APNIC Prefixes per ASN: 17.88 APNIC Region origin ASes announcing only one prefix: 1063 APNIC Region transit ASes present in the Internet Routing Table: 597 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 482355744 Equivalent to 28 /8s, 192 /16s and 42 /24s Percentage of available APNIC address space announced: 79.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 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, 133/8, 175/8, 180/8, 182/8, 183/8, 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: 128241 Total ARIN prefixes after maximum aggregation: 67282 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 102387 Unique aggregates announced from the ARIN address blocks: 38813 ARIN Region origin ASes present in the Internet Routing Table: 13376 ARIN Prefixes per ASN: 7.65 ARIN Region origin ASes announcing only one prefix: 5174 ARIN Region transit ASes present in the Internet Routing Table: 1330 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 39 Number of ARIN addresses announced to Internet: 731713312 Equivalent to 43 /8s, 157 /16s and 15 /24s Percentage of available ARIN address space announced: 64.1
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 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8, 56/8, 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, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 70593 Total RIPE prefixes after maximum aggregation: 41000 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 63782 Unique aggregates announced from the RIPE address blocks: 42294 RIPE Region origin ASes present in the Internet Routing Table: 13811 RIPE Prefixes per ASN: 4.62 RIPE Region origin ASes announcing only one prefix: 7170 RIPE Region transit ASes present in the Internet Routing Table: 2080 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 405579456 Equivalent to 24 /8s, 44 /16s and 166 /24s Percentage of available RIPE address space announced: 75.5
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, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 46/8, 51/8, 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, 109/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 26516 Total LACNIC prefixes after maximum aggregation: 6454 LACNIC Deaggregation factor: 4.11 Prefixes being announced from the LACNIC address blocks: 24842 Unique aggregates announced from the LACNIC address blocks: 13555 LACNIC Region origin ASes present in the Internet Routing Table: 1213 LACNIC Prefixes per ASN: 20.48 LACNIC Region origin ASes announcing only one prefix: 394 LACNIC Region transit ASes present in the Internet Routing Table: 201 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 68746240 Equivalent to 4 /8s, 24 /16s and 252 /24s Percentage of available LACNIC address space announced: 68.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 5863 Total AfriNIC prefixes after maximum aggregation: 1555 AfriNIC Deaggregation factor: 3.77 Prefixes being announced from the AfriNIC address blocks: 4252 Unique aggregates announced from the AfriNIC address blocks: 1437 AfriNIC Region origin ASes present in the Internet Routing Table: 333 AfriNIC Prefixes per ASN: 12.77 AfriNIC Region origin ASes announcing only one prefix: 94 AfriNIC Region transit ASes present in the Internet Routing Table: 71 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 13325824 Equivalent to 0 /8s, 203 /16s and 86 /24s Percentage of available AfriNIC address space announced: 39.7
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 1767 7507 461 Korea Telecom (KIX) 17488 1447 143 133 Hathway IP Over Cable Interne 4755 1278 296 148 TATA Communications formerly 4134 1013 19459 395 CHINANET-BACKBONE 9583 1008 75 496 Sify Limited 18101 986 204 35 Reliance Infocom Ltd Internet 7545 911 198 98 TPG Internet Pty Ltd 17974 863 265 61 PT TELEKOMUNIKASI INDONESIA 9829 848 664 24 BSNL National Internet Backbo 24560 807 293 176 Bharti Airtel Ltd., Telemedia
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 4241 3879 311 bellsouth.net, inc. 4323 3750 1069 399 Time Warner Telecom 1785 1780 714 136 PaeTec Communications, Inc. 7018 1585 5807 1033 AT&T WorldNet Services 20115 1519 1483 666 Charter Communications 2386 1296 632 932 AT&T Data Communications Serv 3356 1228 10966 447 Level 3 Communications, LLC 6478 1188 251 315 AT&T Worldnet Services 11492 1142 222 14 Cable One 22773 1123 2600 66 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 30890 514 98 207 Evolva Telecom 9198 471 138 12 Kazakhtelecom Data Network Ad 35805 468 40 5 United Telecom of Georgia 3292 448 1906 393 TDC Tele Danmark 702 417 1837 335 UUNET - Commercial IP service 8551 377 354 41 Bezeq International 8866 371 110 23 Bulgarian Telecommunication C 3320 358 7067 304 Deutsche Telekom AG 3215 349 3144 111 France Telecom Transpac 3301 346 1411 302 TeliaNet Sweden
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 1572 2882 230 UniNet S.A. de C.V. 10620 1004 224 138 TVCABLE BOGOTA 28573 816 666 82 NET Servicos de Comunicao S.A 7303 663 350 94 Telecom Argentina Stet-France 22047 546 302 14 VTR PUNTO NET S.A. 11830 474 308 59 Instituto Costarricense de El 11172 445 99 70 Servicios Alestra S.A de C.V 14117 437 29 11 Telefonica del Sur S.A. 7738 431 858 29 Telecomunicacoes da Bahia S.A 3816 425 193 72 Empresa Nacional de Telecomun
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 8452 1022 188 7 TEDATA 24863 753 130 46 LINKdotNET AS number 3741 274 857 234 The Internet Solution 2018 190 188 118 Tertiary Education Network 6713 176 167 12 Itissalat Al-MAGHRIB 29975 134 506 15 Vodacom 29571 133 15 8 Ci Telecom Autonomous system 33776 124 7 11 Starcomms Nigeria Limited 5536 121 8 18 Internet Egypt Network 5713 116 508 67 Telkom SA Ltd
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 4241 3879 311 bellsouth.net, inc. 4323 3750 1069 399 Time Warner Telecom 1785 1780 714 136 PaeTec Communications, Inc. 4766 1767 7507 461 Korea Telecom (KIX) 7018 1585 5807 1033 AT&T WorldNet Services 8151 1572 2882 230 UniNet S.A. de C.V. 20115 1519 1483 666 Charter Communications 17488 1447 143 133 Hathway IP Over Cable Interne 2386 1296 632 932 AT&T Data Communications Serv 4755 1278 296 148 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3750 3351 Time Warner Telecom 1785 1780 1644 PaeTec Communications, Inc. 8151 1572 1342 UniNet S.A. de C.V. 17488 1447 1314 Hathway IP Over Cable Interne 4766 1767 1306 Korea Telecom (KIX) 4755 1278 1130 TATA Communications formerly 11492 1142 1128 Cable One 22773 1123 1057 Cox Communications, Inc. 18566 1059 1049 Covad Communications 8452 1022 1015 TEDATA
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 7018 AT&T WorldNet Servic 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 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 46.0.0.0/16 12654 RIPE NCC RIS Project 46.1.0.0/21 12654 RIPE NCC RIS Project 46.1.24.0/24 12654 RIPE NCC RIS Project 62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /8:20 /9:10 /10:25 /11:65 /12:178 /13:363 /14:645 /15:1230 /16:10761 /17:4989 /18:8578 /19:17629 /20:21434 /21:21365 /22:27602 /23:27476 /24:159187 /25:923 /26:1131 /27:579 /28:225 /29:11 /30:8 /31:0 /32:8
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2776 4241 bellsouth.net, inc. 4323 2366 3750 Time Warner Telecom 4766 1435 1767 Korea Telecom (KIX) 1785 1247 1780 PaeTec Communications, Inc. 17488 1220 1447 Hathway IP Over Cable Interne 11492 1064 1142 Cable One 18566 1040 1059 Covad Communications 7018 955 1585 AT&T WorldNet Services 8452 920 1022 TEDATA 10620 909 1004 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:14 8:237 12:2055 13:8 15:22 16:3 17:5 20:36 24:1270 32:49 34:2 38:625 40:99 41:1783 43:1 44:2 46:1 47:20 52:6 55:2 56:2 57:23 58:640 59:611 60:445 61:977 62:957 63:2006 64:3696 65:2365 66:4077 67:1781 68:1002 69:2821 70:630 71:155 72:1756 73:2 74:2014 75:188 76:355 77:849 78:601 79:389 80:938 81:816 82:475 83:442 84:528 85:1011 86:381 87:687 88:445 89:1562 90:63 91:2656 92:445 93:1151 94:1332 95:829 96:200 97:276 98:425 99:27 109:171 110:275 111:466 112:149 113:180 114:285 115:382 116:1086 117:593 118:365 119:802 120:139 121:702 122:1293 123:797 124:1056 125:1353 128:214 129:203 130:134 131:453 132:82 133:16 134:187 135:41 136:232 137:166 138:236 139:84 140:463 141:122 142:381 143:339 144:387 145:52 146:391 147:171 148:561 149:192 150:148 151:172 152:219 153:161 154:2 155:273 156:166 157:314 158:97 159:361 160:294 161:175 162:277 163:163 164:316 165:472 166:490 167:391 168:747 169:159 170:561 171:42 172:1 173:394 174:401 180:205 183:134 184:1 186:188 187:173 188:1349 189:648 190:3294 192:5733 193:4310 194:3353 195:2769 196:1177 198:3566 199:3381 200:5250 201:1407 202:7919 203:8274 204:3975 205:2155 206:2413 207:3044 208:3969 209:3392 210:2537 211:1152 212:1649 213:1619 214:245 215:57 216:4439 217:1359 218:476 219:419 220:1139 221:448 222:300
End of report
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