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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 03 Feb, 2020
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 793197 Prefixes after maximum aggregation (per Origin AS): 302040 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 388382 Total ASes present in the Internet Routing Table: 66889 Prefixes per ASN: 11.86 Origin-only ASes present in the Internet Routing Table: 57481 Origin ASes announcing only one prefix: 24182 Transit ASes present in the Internet Routing Table: 9408 Transit-only ASes present in the Internet Routing Table: 288 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 34 Max AS path prepend of ASN ( 49666) 28 Prefixes from unregistered ASNs in the Routing Table: 1298 Number of instances of unregistered ASNs: 1299 Number of 32-bit ASNs allocated by the RIRs: 30406 Number of 32-bit ASNs visible in the Routing Table: 25006 Prefixes from 32-bit ASNs in the Routing Table: 114731 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 1131 Number of addresses announced to Internet: 2852670848 Equivalent to 170 /8s, 8 /16s and 77 /24s Percentage of available address space announced: 77.1 Percentage of allocated address space announced: 77.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.4 Total number of prefixes smaller than registry allocations: 266210
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 210621 Total APNIC prefixes after maximum aggregation: 61403 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 204073 Unique aggregates announced from the APNIC address blocks: 84919 APNIC Region origin ASes present in the Internet Routing Table: 10340 APNIC Prefixes per ASN: 19.74 APNIC Region origin ASes announcing only one prefix: 2872 APNIC Region transit ASes present in the Internet Routing Table: 1543 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 5390 Number of APNIC addresses announced to Internet: 768290816 Equivalent to 45 /8s, 203 /16s and 48 /24s 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, 64297-64395, 131072-141625 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: 233047 Total ARIN prefixes after maximum aggregation: 107321 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 230876 Unique aggregates announced from the ARIN address blocks: 116731 ARIN Region origin ASes present in the Internet Routing Table: 18391 ARIN Prefixes per ASN: 12.55 ARIN Region origin ASes announcing only one prefix: 6754 ARIN Region transit ASes present in the Internet Routing Table: 1906 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3145 Number of ARIN addresses announced to Internet: 1078426112 Equivalent to 64 /8s, 71 /16s and 122 /24s 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, 393216-399260 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, 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: 224003 Total RIPE prefixes after maximum aggregation: 104309 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 220821 Unique aggregates announced from the RIPE address blocks: 130567 RIPE Region origin ASes present in the Internet Routing Table: 26768 RIPE Prefixes per ASN: 8.25 RIPE Region origin ASes announcing only one prefix: 11695 RIPE Region transit ASes present in the Internet Routing Table: 3790 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 8876 Number of RIPE addresses announced to Internet: 723702400 Equivalent to 43 /8s, 34 /16s and 210 /24s 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, 64396-64495 196608-210331 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: 102966 Total LACNIC prefixes after maximum aggregation: 23761 LACNIC Deaggregation factor: 4.33 Prefixes being announced from the LACNIC address blocks: 104137 Unique aggregates announced from the LACNIC address blocks: 45325 LACNIC Region origin ASes present in the Internet Routing Table: 9372 LACNIC Prefixes per ASN: 11.11 LACNIC Region origin ASes announcing only one prefix: 2382 LACNIC Region transit ASes present in the Internet Routing Table: 1766 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6944 Number of LACNIC addresses announced to Internet: 174176256 Equivalent to 10 /8s, 97 /16s and 184 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-270748 + 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: 21261 Total AfriNIC prefixes after maximum aggregation: 4478 AfriNIC Deaggregation factor: 4.75 Prefixes being announced from the AfriNIC address blocks: 32159 Unique aggregates announced from the AfriNIC address blocks: 9841 AfriNIC Region origin ASes present in the Internet Routing Table: 1357 AfriNIC Prefixes per ASN: 23.70 AfriNIC Region origin ASes announcing only one prefix: 479 AfriNIC Region transit ASes present in the Internet Routing Table: 265 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 651 Number of AfriNIC addresses announced to Internet: 107326208 Equivalent to 6 /8s, 101 /16s and 171 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 7545 5232 642 599 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4622 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3318 1331 24 VIETEL-AS-AP Viettel Group, VN 45899 3122 1787 108 VNPT-AS-VN VNPT Corp, VN 7713 2696 813 498 TELKOMNET-AS-AP PT Telekomunikasi Indon 9808 2606 9043 62 CMNET-GD Guangdong Mobile Communication 4766 2259 11101 565 KIXS-AS-KR Korea Telecom, KR 9498 2224 433 213 BBIL-AP BHARTI Airtel Ltd., IN 4755 2136 441 195 TATACOMM-AS TATA Communications formerl 9829 2127 1370 219 BSNL-NIB National Internet Backbone, IN
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 7155 4047 280 27 VIASAT-SP-BACKBONE, US 11492 3926 260 654 CABLEONE, US 16509 3792 7729 1678 AMAZON-02, US 22773 3523 2971 153 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3365 1324 93 SHAW, CA 16625 2977 1560 2138 AKAMAI-AS, US 209 2342 5075 531 CENTURYLINK-US-LEGACY-QWEST, US 30036 2292 358 92 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2138 2780 520 CHARTER-20115, US 18566 2059 405 103 MEGAPATH5-, US
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 12479 5856 1622 133 UNI2-AS, ES 39891 3776 203 20 ALJAWWALSTC-AS, SA 31334 3431 484 13 KABELDEUTSCHLAND-AS, DE 8551 3091 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2816 450 1941 AKAMAI-ASN1, US 12389 2420 2244 700 ROSTELECOM-AS, RU 9009 2074 220 1118 M247, GB 34984 2066 348 556 TELLCOM-AS, TR 9121 1933 1691 18 TTNET, TR 13188 1604 100 47 TRIOLAN, UA
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 8151 6213 3300 610 Uninet S.A. de C.V., MX 10620 3357 533 471 Telmex Colombia S.A., CO 11830 2682 369 63 Instituto Costarricense de Electricidad 6503 1683 323 390 Axtel, S.A.B. de C.V., MX 7303 1484 1030 266 Telecom Argentina S.A., AR 28573 1268 2235 193 CLARO S.A., BR 13999 1182 504 288 Mega Cable, S.A. de C.V., MX 3816 1120 562 134 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1100 379 39 Telefonica del Peru S.A.A., PE 11172 954 112 69 Alestra, S. de R.L. de C.V., MX
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 1100 393 23 LINKdotNET-AS, EG 24835 1097 566 24 RAYA-AS, EG 36992 1039 1535 73 ETISALAT-MISR, EG 36903 876 452 97 MT-MPLS, MA 6713 610 1863 34 IAM-AS, MA 29571 560 68 12 ORANGE-COTE-IVOIRE, CI 37342 476 32 1 MOVITEL, MZ 36935 383 522 40 Vodafone-, EG 15399 359 45 10 WANANCHI-, KE 23889 351 231 15 MauritiusTelecom, MU
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 8151 6213 3300 610 Uninet S.A. de C.V., MX 12479 5856 1622 133 UNI2-AS, ES 7545 5232 642 599 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4622 4192 73 ERX-CERNET-BKB China Education and Rese 7155 4047 280 27 VIASAT-SP-BACKBONE, US 11492 3926 260 654 CABLEONE, US 16509 3792 7729 1678 AMAZON-02, US 39891 3776 203 20 ALJAWWALSTC-AS, SA 22773 3523 2971 153 ASN-CXA-ALL-CCI-22773-RDC, US 31334 3431 484 13 KABELDEUTSCHLAND-AS, DE
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary -----------------------------------------
ASN No of nets Net Savings Description 12479 5856 5723 UNI2-AS, ES 7545 5232 4633 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4622 4549 ERX-CERNET-BKB China Education and Research Net 7155 4047 4020 VIASAT-SP-BACKBONE, US 39891 3776 3756 ALJAWWALSTC-AS, SA 31334 3431 3418 KABELDEUTSCHLAND-AS, DE 22773 3523 3370 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3318 3294 VIETEL-AS-AP Viettel Group, VN 11492 3926 3272 CABLEONE, US 6327 3365 3272 SHAW, CA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name 17076 UNALLOCATED 8.12.244.0/24 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US 62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3, US 32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US 27205 UNALLOCATED 8.38.16.0/21 6461 ZAYO-6461, US 27205 UNALLOCATED 8.38.16.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 27205 UNALLOCATED 8.38.20.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3, US
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Unassigned Network ASN Information AS Name 23.136.224.0/24 Origin: 15206 UNASSIGNED Transit: 174 COGENT-174, US 23.137.192.0/24 Origin: 31798 CANAD-86-31798, CA Transit: 174 COGENT-174, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/22 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad, MY 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
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 /8:10 /9:11 /10:38 /11:98 /12:287 /13:580 /14:1157 /15:1918 /16:13385 /17:8180 /18:13878 /19:25818 /20:40434 /21:47497 /22:98332 /23:80878 /24:459359 /25:1337 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 12479 4831 5856 UNI2-AS, ES 31334 3276 3431 KABELDEUTSCHLAND-AS, DE 6327 3153 3365 SHAW, CA 7155 3139 4047 VIASAT-SP-BACKBONE, US 11492 3062 3926 CABLEONE, US 39891 2946 3776 ALJAWWALSTC-AS, SA 22773 2739 3523 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2551 3091 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2041 2292 MEDIACOM-ENTERPRISE-BUSINESS, US 11830 2030 2682 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1498 2:1162 3:30 4:19 5:3263 6:48 8:1374 9:1 12:1786 13:479 14:2227 15:71 16:9 17:283 18:79 20:58 23:3280 24:2636 25:4 27:2494 31:2860 32:101 35:43 36:934 37:3233 38:1829 39:315 40:132 41:3270 42:872 43:2127 44:190 45:13041 46:3644 47:274 49:1430 50:1567 51:87 52:1109 54:271 55:683 56:6 57:48 58:1870 59:1119 60:681 61:2210 62:2159 63:1926 64:5028 65:2318 66:4827 67:2846 68:1230 69:3818 70:1414 71:670 72:2770 74:2618 75:1438 76:669 77:2569 78:1979 79:2365 80:1853 81:1561 82:1206 83:1118 84:1217 85:2473 86:573 87:1703 88:1075 89:2687 90:302 91:7540 92:1455 93:2427 94:2588 95:3705 96:1013 97:337 98:963 99:965 100:83 101:1090 102:816 103:23042 104:3596 105:394 106:826 107:1876 108:701 109:3610 110:1768 111:1926 112:1544 113:1378 114:1488 115:1834 116:1793 117:2033 118:2118 119:1691 120:839 121:1031 122:2372 123:1880 124:1558 125:2016 128:1389 129:911 130:610 131:1816 132:782 133:301 134:1225 135:274 136:578 137:885 138:2169 139:988 140:596 141:877 142:866 143:1145 144:943 145:292 146:1448 147:1003 148:2037 149:1106 150:807 151:1269 152:1476 153:371 154:4700 155:900 156:3278 157:1082 158:721 159:1937 160:1723 161:1009 162:3010 163:772 164:1394 165:1232 166:542 167:1475 168:3526 169:488 170:4241 171:742 172:1858 173:2360 174:1036 175:1008 176:2613 177:4130 178:2900 179:1440 180:2195 181:2354 182:2831 183:1118 184:2386 185:16008 186:3739 187:2549 188:3628 189:2084 190:8207 191:1503 192:10237 193:7307 194:5973 195:4284 196:3354 197:1867 198:6113 199:5939 200:7143 201:5127 202:10396 203:10227 204:4551 205:3068 206:3252 207:3258 208:4012 209:4358 210:4003 211:1992 212:3236 213:3015 214:1159 215:53 216:5936 217:2347 218:897 219:605 220:1976 221:921 222:1013 223:1402
End of report
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