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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 08 Oct, 2015
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 566075 Prefixes after maximum aggregation (per Origin AS): 210847 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 275266 Total ASes present in the Internet Routing Table: 51668 Prefixes per ASN: 10.96 Origin-only ASes present in the Internet Routing Table: 36658 Origin ASes announcing only one prefix: 16093 Transit ASes present in the Internet Routing Table: 6414 Transit-only ASes present in the Internet Routing Table: 171 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 46 Max AS path prepend of ASN ( 55644) 41 Prefixes from unregistered ASNs in the Routing Table: 1085 Unregistered ASNs in the Routing Table: 416 Number of 32-bit ASNs allocated by the RIRs: 11245 Number of 32-bit ASNs visible in the Routing Table: 8596 Prefixes from 32-bit ASNs in the Routing Table: 32512 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 454 Number of addresses announced to Internet: 2812820672 Equivalent to 167 /8s, 168 /16s and 60 /24s Percentage of available address space announced: 76.0 Percentage of allocated address space announced: 76.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.6 Total number of prefixes smaller than registry allocations: 187028
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 143661 Total APNIC prefixes after maximum aggregation: 39757 APNIC Deaggregation factor: 3.61 Prefixes being announced from the APNIC address blocks: 151396 Unique aggregates announced from the APNIC address blocks: 60211 APNIC Region origin ASes present in the Internet Routing Table: 5094 APNIC Prefixes per ASN: 29.72 APNIC Region origin ASes announcing only one prefix: 1206 APNIC Region transit ASes present in the Internet Routing Table: 891 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 45 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1642 Number of APNIC addresses announced to Internet: 754045440 Equivalent to 44 /8s, 241 /16s and 210 /24s Percentage of available APNIC address space announced: 88.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 131072-135580 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: 180150 Total ARIN prefixes after maximum aggregation: 88305 ARIN Deaggregation factor: 2.04 Prefixes being announced from the ARIN address blocks: 183279 Unique aggregates announced from the ARIN address blocks: 86607 ARIN Region origin ASes present in the Internet Routing Table: 16568 ARIN Prefixes per ASN: 11.06 ARIN Region origin ASes announcing only one prefix: 6033 ARIN Region transit ASes present in the Internet Routing Table: 1750 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 732 Number of ARIN addresses announced to Internet: 1118841280 Equivalent to 66 /8s, 176 /16s and 41 /24s Percentage of available ARIN address space announced: 59.2
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 53248-55295, 62464-63487, 64198-64296, 393216-395164 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: 136461 Total RIPE prefixes after maximum aggregation: 67902 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 143535 Unique aggregates announced from the RIPE address blocks: 88975 RIPE Region origin ASes present in the Internet Routing Table: 18001 RIPE Prefixes per ASN: 7.97 RIPE Region origin ASes announcing only one prefix: 8038 RIPE Region transit ASes present in the Internet Routing Table: 2994 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4074 Number of RIPE addresses announced to Internet: 699708928 Equivalent to 41 /8s, 180 /16s and 182 /24s Percentage of available RIPE address space announced: 101.7
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, 196608-204287 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: 60924 Total LACNIC prefixes after maximum aggregation: 11752 LACNIC Deaggregation factor: 5.18 Prefixes being announced from the LACNIC address blocks: 73161 Unique aggregates announced from the LACNIC address blocks: 33715 LACNIC Region origin ASes present in the Internet Routing Table: 2472 LACNIC Prefixes per ASN: 29.60 LACNIC Region origin ASes announcing only one prefix: 623 LACNIC Region transit ASes present in the Internet Routing Table: 533 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1991 Number of LACNIC addresses announced to Internet: 169658624 Equivalent to 10 /8s, 28 /16s and 201 /24s Percentage of available LACNIC address space announced: 101.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-265628 + 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: 12252 Total AfriNIC prefixes after maximum aggregation: 3089 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 14250 Unique aggregates announced from the AfriNIC address blocks: 5398 AfriNIC Region origin ASes present in the Internet Routing Table: 738 AfriNIC Prefixes per ASN: 19.31 AfriNIC Region origin ASes announcing only one prefix: 193 AfriNIC Region transit ASes present in the Internet Routing Table: 171 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: 157 Number of AfriNIC addresses announced to Internet: 70031360 Equivalent to 4 /8s, 44 /16s and 152 /24s Percentage of available AfriNIC address space announced: 69.6
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 4538 5590 4192 76 China Education and Research 4766 3012 11134 984 Korea Telecom 7545 2892 339 138 TPG Telecom Limited 17974 2706 908 90 PT Telekomunikasi Indonesia 4755 2056 430 229 TATA Communications formerly 9829 1928 1388 237 National Internet Backbone 9808 1626 8639 18 Guangdong Mobile Communicatio 4812 1574 2099 113 China Telecom (Group) 4808 1523 2258 481 CNCGROUP IP network China169 9583 1500 120 565 Sify Limited
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 22773 3194 2966 145 Cox Communications Inc. 6389 2686 3688 44 BellSouth.net Inc. 3356 2521 10709 499 Level 3 Communications, Inc. 18566 2204 393 264 MegaPath Corporation 20115 1890 1887 396 Charter Communications 6983 1740 866 241 EarthLink, Inc. 30036 1623 329 374 Mediacom Communications Corp 4323 1583 1005 405 tw telecom holdings, inc. 701 1400 11401 676 MCI Communications Services, 22561 1278 364 218 CenturyTel Internet Holdings,
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 39891 2473 129 7 SaudiNet, Saudi Telecom Compa 20940 2139 840 1544 Akamai International B.V. 34984 2036 306 382 TELLCOM ILETISIM HIZMETLERI A 6849 1209 355 21 JSC "Ukrtelecom" 8402 1130 544 15 OJSC "Vimpelcom" 13188 1071 97 76 TOV "Bank-Inform" 31148 1038 46 41 Freenet Ltd. 12479 1018 966 84 France Telecom Espana SA 8551 982 376 52 Bezeq International-Ltd 6830 900 2694 465 Liberty Global Operations B.V
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 10620 3385 540 165 Telmex Colombia S.A. 28573 2026 2161 142 NET Serviços de Comunicação S 8151 1843 3305 491 Uninet S.A. de C.V. 7303 1570 940 239 Telecom Argentina S.A. 6503 1402 437 55 Axtel, S.A.B. de C.V. 6147 1058 374 30 Telefonica del Peru S.A.A. 26615 1030 2325 35 Tim Celular S.A. 7738 997 1882 41 Telemar Norte Leste S.A. 11830 995 364 24 Instituto Costarricense de El 3816 955 437 164 COLOMBIA TELECOMUNICACIONES S
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 8452 993 1470 14 TE-AS 24863 868 409 38 Link Egypt (Link.NET) 36903 523 263 100 Office National des Postes et 36992 439 1229 32 ETISALAT MISR 37492 315 191 72 Orange Tunisie 29571 246 21 12 Cote d'Ivoire Telecom 3741 220 853 183 Internet Solutions 24835 209 144 8 Vodafone Data 36947 196 807 13 Telecom Algeria 15706 171 32 6 Sudatel (Sudan Telecom Co. Lt
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 4538 5590 4192 76 China Education and Research 10620 3385 540 165 Telmex Colombia S.A. 22773 3194 2966 145 Cox Communications Inc. 4766 3012 11134 984 Korea Telecom 7545 2892 339 138 TPG Telecom Limited 17974 2706 908 90 PT Telekomunikasi Indonesia 6389 2686 3688 44 BellSouth.net Inc. 3356 2521 10709 499 Level 3 Communications, Inc. 39891 2473 129 7 SaudiNet, Saudi Telecom Compa 18566 2204 393 264 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 10620 3385 3220 Telmex Colombia S.A. 22773 3194 3049 Cox Communications Inc. 7545 2892 2754 TPG Telecom Limited 6389 2686 2642 BellSouth.net Inc. 17974 2706 2616 PT Telekomunikasi Indonesia 39891 2473 2466 SaudiNet, Saudi Telecom Compa 4766 3012 2028 Korea Telecom 3356 2521 2022 Level 3 Communications, Inc. 18566 2204 1940 MegaPath Corporation 28573 2026 1884 NET Serviços de Comunicação S
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 47092 UNALLOCATED 8.8.204.0/24 16410 The Reynolds and Rey 53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser 46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser 27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I 30461 UNALLOCATED 8.224.176.0/23 3356 Level 3 Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 100.100.1.0/24 9730 Bharti Telesonic Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 23.226.112.0/20 62788 >>UNKNOWN<< 23.249.144.0/20 40430 colo4jax, LLC 23.249.144.0/21 40430 colo4jax, LLC 23.249.152.0/21 40430 colo4jax, LLC 27.50.8.0/24 55548 >>UNKNOWN<< 27.50.9.0/24 55548 >>UNKNOWN<< 27.50.10.0/24 55548 >>UNKNOWN<< 27.50.11.0/24 55548 >>UNKNOWN<< 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU
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 /8:18 /9:13 /10:36 /11:95 /12:262 /13:505 /14:1005 /15:1747 /16:12920 /17:7402 /18:12605 /19:26243 /20:37417 /21:39667 /22:62136 /23:54340 /24:307341 /25:829 /26:944 /27:491 /28:14 /29:15 /30:9 /31:0 /32:21
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 39891 2432 2473 SaudiNet, Saudi Telecom Compa 22773 2402 3194 Cox Communications Inc. 18566 2110 2204 MegaPath Corporation 6389 1607 2686 BellSouth.net Inc. 30036 1442 1623 Mediacom Communications Corp 6983 1387 1740 EarthLink, Inc. 34984 1357 2036 TELLCOM ILETISIM HIZMETLERI A 10620 1260 3385 Telmex Colombia S.A. 11492 1129 1211 CABLE ONE, INC. 6849 992 1209 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1593 2:692 4:97 5:1896 6:25 8:1407 12:1808 13:17 14:1486 15:16 16:2 17:49 18:22 20:51 23:1262 24:1735 27:2092 31:1627 32:52 33:2 34:2 35:4 36:163 37:2234 38:1075 39:15 40:72 41:2828 42:340 43:1558 44:32 45:1344 46:2350 47:58 49:1005 50:804 52:23 54:94 55:5 56:6 57:43 58:1421 59:778 60:506 61:1786 62:1421 63:1907 64:4396 65:2247 66:4012 67:2075 68:1072 69:3272 70:1037 71:455 72:1987 74:2549 75:364 76:394 77:1376 78:1236 79:797 80:1351 81:1359 82:889 83:672 84:775 85:1402 86:452 87:1022 88:533 89:1923 90:150 91:6013 92:849 93:2293 94:2136 95:2165 96:463 97:350 98:958 99:56 100:75 101:844 103:8456 104:2028 105:78 106:351 107:1055 108:628 109:2141 110:1222 111:1461 112:838 113:1118 114:869 115:1419 116:1520 117:1111 118:1942 119:1498 120:476 121:1147 122:2252 123:1864 124:1564 125:1734 128:705 129:369 130:432 131:1254 132:553 133:160 134:433 135:115 136:349 137:294 138:1391 139:174 140:246 141:438 142:655 143:571 144:568 145:127 146:779 147:596 148:1271 149:429 150:599 151:775 152:568 153:264 154:489 155:885 156:423 157:424 158:348 159:1059 160:409 161:684 162:2140 163:464 164:691 165:861 166:305 167:884 168:1239 169:201 170:1501 171:258 172:301 173:1533 174:716 175:713 176:1461 177:4033 178:2206 179:1013 180:1948 181:1599 182:1817 183:640 184:746 185:4401 186:2960 187:1860 188:2082 189:1688 190:7592 191:1195 192:8601 193:5655 194:4277 195:3674 196:1953 197:1129 198:5520 199:5516 200:6661 201:3313 202:9810 203:9190 204:4543 205:2710 206:3045 207:2991 208:3998 209:3900 210:3756 211:2044 212:2563 213:2246 214:853 215:72 216:5747 217:1811 218:804 219:533 220:1586 221:824 222:724 223:832
End of report
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