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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 18 May, 2016
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 593497 Prefixes after maximum aggregation (per Origin AS): 217986 Deaggregation factor: 2.72 Unique aggregates announced (without unneeded subnets): 291237 Total ASes present in the Internet Routing Table: 53776 Prefixes per ASN: 11.04 Origin-only ASes present in the Internet Routing Table: 36582 Origin ASes announcing only one prefix: 15675 Transit ASes present in the Internet Routing Table: 6458 Transit-only ASes present in the Internet Routing Table: 170 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 39 Max AS path prepend of ASN ( 40285) 33 Prefixes from unregistered ASNs in the Routing Table: 952 Unregistered ASNs in the Routing Table: 360 Number of 32-bit ASNs allocated by the RIRs: 13873 Number of 32-bit ASNs visible in the Routing Table: 10736 Prefixes from 32-bit ASNs in the Routing Table: 42208 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 387 Number of addresses announced to Internet: 2811036996 Equivalent to 167 /8s, 141 /16s and 5 /24s Percentage of available address space announced: 75.9 Percentage of allocated address space announced: 75.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.1 Total number of prefixes smaller than registry allocations: 193769
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 151897 Total APNIC prefixes after maximum aggregation: 42432 APNIC Deaggregation factor: 3.58 Prefixes being announced from the APNIC address blocks: 162913 Unique aggregates announced from the APNIC address blocks: 66531 APNIC Region origin ASes present in the Internet Routing Table: 5182 APNIC Prefixes per ASN: 31.44 APNIC Region origin ASes announcing only one prefix: 1177 APNIC Region transit ASes present in the Internet Routing Table: 912 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 2073 Number of APNIC addresses announced to Internet: 755434052 Equivalent to 45 /8s, 7 /16s and 2 /24s Percentage of available APNIC address space announced: 88.3
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: 180986 Total ARIN prefixes after maximum aggregation: 89664 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 186360 Unique aggregates announced from the ARIN address blocks: 88720 ARIN Region origin ASes present in the Internet Routing Table: 16358 ARIN Prefixes per ASN: 11.39 ARIN Region origin ASes announcing only one prefix: 5831 ARIN Region transit ASes present in the Internet Routing Table: 1722 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1211 Number of ARIN addresses announced to Internet: 1101389888 Equivalent to 65 /8s, 165 /16s and 224 /24s Percentage of available ARIN address space announced: 58.3
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, 393216-397212 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: 142452 Total RIPE prefixes after maximum aggregation: 70367 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 151743 Unique aggregates announced from the RIPE address blocks: 93725 RIPE Region origin ASes present in the Internet Routing Table: 18083 RIPE Prefixes per ASN: 8.39 RIPE Region origin ASes announcing only one prefix: 7903 RIPE Region transit ASes present in the Internet Routing Table: 3020 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4759 Number of RIPE addresses announced to Internet: 704432512 Equivalent to 41 /8s, 252 /16s and 201 /24s Percentage of available RIPE address space announced: 102.4
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, 196608-204287 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: 61745 Total LACNIC prefixes after maximum aggregation: 12231 LACNIC Deaggregation factor: 5.05 Prefixes being announced from the LACNIC address blocks: 76089 Unique aggregates announced from the LACNIC address blocks: 36131 LACNIC Region origin ASes present in the Internet Routing Table: 2480 LACNIC Prefixes per ASN: 30.68 LACNIC Region origin ASes announcing only one prefix: 580 LACNIC Region transit ASes present in the Internet Routing Table: 561 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2484 Number of LACNIC addresses announced to Internet: 171130176 Equivalent to 10 /8s, 51 /16s and 61 /24s Percentage of available LACNIC address space announced: 102.0
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: 14101 Total AfriNIC prefixes after maximum aggregation: 3254 AfriNIC Deaggregation factor: 4.33 Prefixes being announced from the AfriNIC address blocks: 16005 Unique aggregates announced from the AfriNIC address blocks: 5784 AfriNIC Region origin ASes present in the Internet Routing Table: 741 AfriNIC Prefixes per ASN: 21.60 AfriNIC Region origin ASes announcing only one prefix: 184 AfriNIC Region transit ASes present in the Internet Routing Table: 169 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 209 Number of AfriNIC addresses announced to Internet: 78267136 Equivalent to 4 /8s, 170 /16s and 67 /24s Percentage of available AfriNIC address space announced: 77.8
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 5549 4192 76 China Education and Research 7545 3321 355 216 TPG Telecom Limited 4766 3168 11145 1123 Korea Telecom 17974 2932 914 96 PT Telekomunikasi Indonesia 9829 2435 1458 472 National Internet Backbone 4755 2093 431 241 TATA Communications formerly 9808 1928 8717 30 Guangdong Mobile Communicatio 4808 1659 2299 549 CNCGROUP IP network China169 9583 1512 122 562 Sify Limited 38197 1496 93 215 Sun Network (Hong Kong) Limit
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 3240 2947 137 Cox Communications Inc. 6389 2299 3671 41 BellSouth.net Inc. 18566 2204 394 275 MegaPath Corporation 20115 1921 1937 404 Charter Communications 30036 1693 337 403 Mediacom Communications Corp 6983 1689 849 232 EarthLink, Inc. 209 1660 4687 1277 Qwest Communications Company, 4323 1518 985 376 tw telecom holdings, inc. 701 1296 10718 704 MCI Communications Services, 11492 1289 235 587 CABLE ONE, INC.
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 2901 151 11 SaudiNet, Saudi Telecom Compa 20940 2570 995 1838 Akamai International B.V. 34984 1965 326 358 TELLCOM ILETISIM HIZMETLERI A 8551 1226 376 55 Bezeq International-Ltd 12479 1202 996 88 France Telecom Espana SA 6849 1148 355 21 JSC "Ukrtelecom" 13188 1078 98 65 TOV "Bank-Inform" 8402 1039 544 15 OJSC "Vimpelcom" 31148 1026 47 45 Freenet Ltd. 6830 890 2719 463 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 3476 541 151 Telmex Colombia S.A. 8151 2241 3407 564 Uninet S.A. de C.V. 7303 1510 940 234 Telecom Argentina S.A. 6503 1475 437 55 Axtel, S.A.B. de C.V. 11830 1475 368 52 Instituto Costarricense de El 6147 1158 377 27 Telefonica del Peru S.A.A. 26615 1003 2325 34 Tim Celular S.A. 3816 998 478 186 COLOMBIA TELECOMUNICACIONES S 7738 994 1882 40 Telemar Norte Leste S.A. 11172 907 125 77 Alestra, S. de R.L. de C.V.
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 24863 1082 402 44 Link Egypt (Link.NET) 37611 649 48 2 Afrihost-Brevis Computer Serv 36903 625 314 106 Office National des Postes et 36992 511 1359 27 ETISALAT MISR 8452 469 1472 15 TE-AS 37492 395 234 68 Orange Tunisie 29571 301 37 13 Cote d'Ivoire Telecom 24835 293 338 15 Vodafone Data 15399 283 35 10 Wananchi Group (Kenya) Limite 2018 257 327 74 TENET (The UNINET Project)
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 5549 4192 76 China Education and Research 10620 3476 541 151 Telmex Colombia S.A. 7545 3321 355 216 TPG Telecom Limited 22773 3240 2947 137 Cox Communications Inc. 4766 3168 11145 1123 Korea Telecom 17974 2932 914 96 PT Telekomunikasi Indonesia 39891 2901 151 11 SaudiNet, Saudi Telecom Compa 20940 2570 995 1838 Akamai International B.V. 9829 2435 1458 472 National Internet Backbone 6389 2299 3671 41 BellSouth.net Inc.
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 3476 3325 Telmex Colombia S.A. 7545 3321 3105 TPG Telecom Limited 22773 3240 3103 Cox Communications Inc. 39891 2901 2890 SaudiNet, Saudi Telecom Compa 17974 2932 2836 PT Telekomunikasi Indonesia 6389 2299 2258 BellSouth.net Inc. 4766 3168 2045 Korea Telecom 9829 2435 1963 National Internet Backbone 18566 2204 1929 MegaPath Corporation 9808 1928 1898 Guangdong Mobile Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65001 PRIVATE 5.143.176.0/20 15468 OJSC Rostelecom 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 16589 UNALLOCATED 8.20.247.0/24 35838 CCANET Limited 16589 UNALLOCATED 8.26.56.0/24 35838 CCANET Limited 46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio 27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio 27205 UNALLOCATED 8.38.20.0/24 32787 Prolexic Technologie
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 23.226.112.0/20 62788 >>UNKNOWN<< 23.249.144.0/20 40430 colo4jax, LLC 27.100.7.0/24 56096 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.3.0/24 37004 >>UNKNOWN<< 41.73.4.0/24 37004 >>UNKNOWN<< 41.73.5.0/24 37004 >>UNKNOWN<< 41.73.6.0/24 37004 >>UNKNOWN<< 41.73.7.0/24 37004 >>UNKNOWN<<
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 /9:13 /10:36 /11:101 /12:266 /13:508 /14:1036 /15:1759 /16:13033 /17:7617 /18:12722 /19:25933 /20:37926 /21:39727 /22:65485 /23:57398 /24:328226 /25:549 /26:600 /27:421 /28:46 /29:32 /30:14 /31:1 /32:32
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 39891 2664 2901 SaudiNet, Saudi Telecom Compa 22773 2471 3240 Cox Communications Inc. 18566 2106 2204 MegaPath Corporation 30036 1508 1693 Mediacom Communications Corp 6389 1477 2299 BellSouth.net Inc. 10620 1372 3476 Telmex Colombia S.A. 6983 1338 1689 EarthLink, Inc. 34984 1249 1965 TELLCOM ILETISIM HIZMETLERI A 11492 1193 1289 CABLE ONE, INC. 6849 968 1148 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1583 2:739 4:21 5:2059 6:31 8:958 12:1776 13:39 14:1693 15:45 16:2 17:84 18:86 20:48 22:1 23:1492 24:1777 27:2283 31:1775 32:59 33:2 34:2 35:5 36:303 37:2302 38:1217 39:28 40:91 41:2873 42:395 43:1749 44:42 45:1858 46:2509 47:79 49:1169 50:869 51:33 52:186 54:329 55:6 56:6 57:42 58:1533 59:866 60:347 61:1824 62:1507 63:1921 64:4451 65:2163 66:4251 67:2159 68:1090 69:3268 70:1103 71:475 72:1989 74:2548 75:344 76:344 77:1381 78:1262 79:833 80:1280 81:1336 82:944 83:700 84:814 85:1581 86:472 87:1050 88:561 89:1995 90:174 91:6072 92:895 93:2339 94:2330 95:2307 96:487 97:358 98:935 99:46 100:75 101:1050 103:10762 104:2403 105:124 106:401 107:1169 108:671 109:2191 110:1255 111:1655 112:995 113:1143 114:1051 115:1580 116:1578 117:1433 118:2054 119:1614 120:930 121:1172 122:2178 123:2006 124:1575 125:1726 128:699 129:402 130:411 131:1332 132:629 133:176 134:454 135:127 136:374 137:353 138:1704 139:271 140:543 141:457 142:638 143:939 144:698 145:158 146:869 147:631 148:1479 149:506 150:645 151:881 152:618 153:281 154:614 155:939 156:496 157:425 158:354 159:1118 160:482 161:706 162:2328 163:542 164:901 165:1043 166:320 167:1155 168:1831 169:662 170:1572 171:263 172:553 173:1642 174:742 175:746 176:1738 177:3952 178:2203 179:1154 180:2050 181:1762 182:1851 183:950 184:799 185:6412 186:2988 187:2116 188:2124 189:1719 190:7735 191:1231 192:8945 193:5740 194:4373 195:3774 196:1706 197:1078 198:5544 199:5707 200:6966 201:3737 202:10118 203:9649 204:4517 205:2724 206:2982 207:3125 208:4060 209:3852 210:3912 211:2046 212:2686 213:2230 214:854 215:70 216:5789 217:1942 218:795 219:596 220:1688 221:869 222:663 223:1224
End of report
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