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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 01 Dec, 2013
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 474887 Prefixes after maximum aggregation: 189704 Deaggregation factor: 2.50 Unique aggregates announced to Internet: 234834 Total ASes present in the Internet Routing Table: 45591 Prefixes per ASN: 10.42 Origin-only ASes present in the Internet Routing Table: 35423 Origin ASes announcing only one prefix: 16272 Transit ASes present in the Internet Routing Table: 5956 Transit-only ASes present in the Internet Routing Table: 172 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 103 Max AS path prepend of ASN ( 50404) 101 Prefixes from unregistered ASNs in the Routing Table: 1026 Unregistered ASNs in the Routing Table: 289 Number of 32-bit ASNs allocated by the RIRs: 5427 Number of 32-bit ASNs visible in the Routing Table: 4212 Prefixes from 32-bit ASNs in the Routing Table: 13253 Number of bogon 32-bit ASNs visible in the Routing Table: 2 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 1243 Number of addresses announced to Internet: 2657310556 Equivalent to 158 /8s, 99 /16s and 87 /24s Percentage of available address space announced: 71.8 Percentage of allocated address space announced: 71.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 95.3 Total number of prefixes smaller than registry allocations: 166149
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 112503 Total APNIC prefixes after maximum aggregation: 34098 APNIC Deaggregation factor: 3.30 Prefixes being announced from the APNIC address blocks: 114689 Unique aggregates announced from the APNIC address blocks: 47864 APNIC Region origin ASes present in the Internet Routing Table: 4870 APNIC Prefixes per ASN: 23.55 APNIC Region origin ASes announcing only one prefix: 1210 APNIC Region transit ASes present in the Internet Routing Table: 836 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 763 Number of APNIC addresses announced to Internet: 728751552 Equivalent to 43 /8s, 111 /16s and 221 /24s Percentage of available APNIC address space announced: 85.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-63999, 131072-133631 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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, 150/8, 153/8, 163/8, 171/8, 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, 223/8,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 163964 Total ARIN prefixes after maximum aggregation: 81675 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 164778 Unique aggregates announced from the ARIN address blocks: 75918 ARIN Region origin ASes present in the Internet Routing Table: 15937 ARIN Prefixes per ASN: 10.34 ARIN Region origin ASes announcing only one prefix: 6008 ARIN Region transit ASes present in the Internet Routing Table: 1664 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 40 Number of ARIN addresses announced to Internet: 1073883008 Equivalent to 64 /8s, 2 /16s and 39 /24s Percentage of available ARIN address space announced: 56.8
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 53248-55295, 62464-63487, 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, 23/8, 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, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 119640 Total RIPE prefixes after maximum aggregation: 61106 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 123388 Unique aggregates announced from the RIPE address blocks: 78748 RIPE Region origin ASes present in the Internet Routing Table: 17547 RIPE Prefixes per ASN: 7.03 RIPE Region origin ASes announcing only one prefix: 8297 RIPE Region transit ASes present in the Internet Routing Table: 2825 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 103 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2498 Number of RIPE addresses announced to Internet: 656260580 Equivalent to 39 /8s, 29 /16s and 189 /24s Percentage of available RIPE address space announced: 95.4
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, 56320-58367 59392-61439, 61952-62463, 196608-200191 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 53116 Total LACNIC prefixes after maximum aggregation: 10030 LACNIC Deaggregation factor: 5.30 Prefixes being announced from the LACNIC address blocks: 58434 Unique aggregates announced from the LACNIC address blocks: 27281 LACNIC Region origin ASes present in the Internet Routing Table: 2044 LACNIC Prefixes per ASN: 28.59 LACNIC Region origin ASes announcing only one prefix: 548 LACNIC Region transit ASes present in the Internet Routing Table: 397 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 903 Number of LACNIC addresses announced to Internet: 145687608 Equivalent to 8 /8s, 175 /16s and 4 /24s Percentage of available LACNIC address space announced: 86.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 11679 Total AfriNIC prefixes after maximum aggregation: 2586 AfriNIC Deaggregation factor: 4.52 Prefixes being announced from the AfriNIC address blocks: 12355 Unique aggregates announced from the AfriNIC address blocks: 4025 AfriNIC Region origin ASes present in the Internet Routing Table: 685 AfriNIC Prefixes per ASN: 18.04 AfriNIC Region origin ASes announcing only one prefix: 209 AfriNIC Region transit ASes present in the Internet Routing Table: 141 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8 Number of AfriNIC addresses announced to Internet: 48550400 Equivalent to 2 /8s, 228 /16s and 210 /24s Percentage of available AfriNIC address space announced: 48.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 2930 11557 940 Korea Telecom (KIX) 17974 2719 902 88 PT TELEKOMUNIKASI INDONESIA 7545 2113 319 111 TPG Internet Pty Ltd 4755 1793 392 190 TATA Communications formerly 9829 1543 1245 45 BSNL National Internet Backbo 9583 1251 95 510 Sify Limited 9498 1216 309 73 BHARTI Airtel Ltd. 7552 1165 1080 13 Vietel Corporation 4808 1145 2119 336 CNCGROUP IP network: China169 24560 1102 382 166 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3042 3688 53 BellSouth.net Inc. 22773 2208 2939 136 Cox Communications, Inc. 18566 2053 379 178 MegaPath Corporation 1785 2044 685 132 PaeTec Communications, Inc. 20115 1684 1653 600 Charter Communications 4323 1643 1098 420 Time Warner Telecom 701 1507 11144 781 MCI Communications Services, 7029 1468 1241 163 Windstream Communications Inc 30036 1391 313 583 Mediacom Communications Corp 7018 1333 17779 872 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8402 1909 544 16 OJSC "Vimpelcom" 34984 1365 244 224 TELLCOM ILETISIM HIZMETLERI A 20940 1190 453 888 Akamai Technologies European 31148 1010 45 20 FreeNet ISP 13188 896 99 48 TOV "Bank-Inform" 6849 856 363 39 JSC UKRTELECOM, 8551 786 370 41 Bezeq International 6830 772 2327 424 UPC Distribution Services 12479 680 798 53 Uni2 Autonomous System 35228 549 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 28573 3405 1807 90 NET Servicos de Comunicao S.A 10620 2673 433 213 Telmex Colombia S.A. 7303 1729 1151 232 Telecom Argentina Stet-France 18881 1706 908 20 Global Village Telecom 8151 1360 2852 420 UniNet S.A. de C.V. 11830 868 364 15 Instituto Costarricense de El 27947 820 94 92 Telconet S.A 6147 789 373 27 Telefonica Del Peru 7738 780 1498 36 Telecomunicacoes da Bahia S.A 6503 775 434 60 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 36998 1864 112 5 Sudanese Mobile Telephone (ZA 24863 868 338 26 LINKdotNET AS number 6713 554 633 26 Itissalat Al-MAGHRIB 8452 412 956 9 TEDATA 24835 297 144 9 RAYA Telecom - Egypt 3741 251 921 209 The Internet Solution 36992 234 471 25 Etisalat MISR 29571 229 21 15 Ci Telecom Autonomous system 15706 221 32 6 Sudatel Internet Exchange Aut 29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 28573 3405 1807 90 NET Servicos de Comunicao S.A 6389 3042 3688 53 BellSouth.net Inc. 4766 2930 11557 940 Korea Telecom (KIX) 17974 2719 902 88 PT TELEKOMUNIKASI INDONESIA 10620 2673 433 213 Telmex Colombia S.A. 22773 2208 2939 136 Cox Communications, Inc. 7545 2113 319 111 TPG Internet Pty Ltd 18566 2053 379 178 MegaPath Corporation 1785 2044 685 132 PaeTec Communications, Inc. 8402 1909 544 16 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6389 3042 2989 BellSouth.net Inc. 17974 2719 2631 PT TELEKOMUNIKASI INDONESIA 10620 2673 2460 Telmex Colombia S.A. 22773 2208 2072 Cox Communications, Inc. 7545 2113 2002 TPG Internet Pty Ltd 4766 2930 1990 Korea Telecom (KIX) 1785 2044 1912 PaeTec Communications, Inc. 8402 1909 1893 OJSC "Vimpelcom" 18566 2053 1875 MegaPath Corporation 36998 1864 1859 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom 62850 UNALLOCATED 8.25.147.0/24 46887 Lightower Fiber Netw 62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric 62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio 65160 PRIVATE 12.1.58.0/24 17361 Sungard Trading Syst 65160 PRIVATE 12.1.59.0/24 17361 Sungard Trading Syst 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom 62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 23.90.128.0/18 27418 OUTOFWALL INC. 23.91.0.0/19 40676 Psychz Networks 23.91.4.0/24 40676 Psychz Networks 23.91.14.0/24 40676 Psychz Networks 23.91.32.0/19 36315 Servpac Inc. 23.91.80.0/20 21560 Capital Technology Services G 23.91.96.0/20 37958 ChinaCache Networks ASN 23.91.112.0/21 32475 MidPhase Inc. 23.91.120.0/21 36351 SoftLayer Technologies Inc. 23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.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 /8:16 /9:11 /10:31 /11:92 /12:253 /13:476 /14:932 /15:1640 /16:12855 /17:6786 /18:11344 /19:23179 /20:33023 /21:35702 /22:50186 /23:44087 /24:251796 /25:873 /26:996 /27:469 /28:42 /29:69 /30:15 /31:0 /32:14
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 2008 2053 MegaPath Corporation 36998 1829 1864 Sudanese Mobile Telephone (ZA 6389 1700 3042 BellSouth.net Inc. 8402 1592 1909 OJSC "Vimpelcom" 22773 1462 2208 Cox Communications, Inc. 30036 1232 1391 Mediacom Communications Corp 11492 1195 1233 Cable One 1785 1088 2044 PaeTec Communications, Inc. 7029 1046 1468 Windstream Communications Inc 6983 1035 1293 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:908 2:836 3:3 4:17 5:1028 6:21 8:610 12:1875 13:3 14:899 15:11 16:3 17:18 18:19 20:25 23:606 24:1760 27:1700 31:1522 32:45 33:2 34:5 36:95 37:1941 38:918 39:5 40:185 41:3254 42:227 44:14 46:2075 47:10 49:691 50:856 52:12 54:44 55:5 56:4 57:26 58:1170 59:579 60:368 61:1489 62:1241 63:1977 64:4401 65:2356 66:4251 67:2103 68:1114 69:3306 70:949 71:515 72:2024 74:2635 75:394 76:304 77:1218 78:1077 79:668 80:1276 81:1053 82:632 83:690 84:591 85:1258 86:382 87:1023 88:549 89:1552 90:154 91:5702 92:611 93:1611 94:2086 95:1515 96:515 97:348 98:1086 99:41 100:33 101:659 103:3744 105:530 106:143 107:218 108:537 109:2001 110:961 111:1125 112:594 113:805 114:766 115:1061 116:1001 117:838 118:1214 119:1292 120:342 121:759 122:1876 123:1271 124:1413 125:1433 128:659 129:232 130:353 131:670 132:352 133:158 134:305 135:72 136:276 137:250 138:349 139:181 140:200 141:336 142:549 143:395 144:500 145:90 146:551 147:434 148:775 149:370 150:153 151:664 152:413 153:207 154:53 155:506 156:306 157:420 158:284 159:783 160:361 161:457 162:919 163:227 164:626 165:585 166:283 167:636 168:1042 169:125 170:1109 171:185 172:12 173:1671 174:721 175:538 176:1333 177:2525 178:1881 179:295 180:1599 181:877 182:1411 183:473 184:639 185:1076 186:2640 187:1460 188:1863 189:1255 190:7282 192:7077 193:5436 194:4031 195:3361 196:1339 197:1032 198:4750 199:5510 200:6060 201:2523 202:9007 203:8896 204:4542 205:2652 206:2852 207:2811 208:3966 209:3672 210:3069 211:1592 212:2151 213:2001 214:888 215:86 216:5452 217:1707 218:632 219:323 220:1276 221:586 222:332 223:524
End of report
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