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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 27 Nov, 2018
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 726779 Prefixes after maximum aggregation (per Origin AS): 279816 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 349048 Total ASes present in the Internet Routing Table: 62514 Prefixes per ASN: 11.63 Origin-only ASes present in the Internet Routing Table: 53956 Origin ASes announcing only one prefix: 23421 Transit ASes present in the Internet Routing Table: 8558 Transit-only ASes present in the Internet Routing Table: 253 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 40 Max AS path prepend of ASN ( 22394) 37 Prefixes from unregistered ASNs in the Routing Table: 36 Number of instances of unregistered ASNs: 36 Number of 32-bit ASNs allocated by the RIRs: 24990 Number of 32-bit ASNs visible in the Routing Table: 20226 Prefixes from 32-bit ASNs in the Routing Table: 86740 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 258 Number of addresses announced to Internet: 2852598561 Equivalent to 170 /8s, 7 /16s and 51 /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: 99.1 Total number of prefixes smaller than registry allocations: 242268
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 198827 Total APNIC prefixes after maximum aggregation: 56559 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 196144 Unique aggregates announced from the APNIC address blocks: 80677 APNIC Region origin ASes present in the Internet Routing Table: 9248 APNIC Prefixes per ASN: 21.21 APNIC Region origin ASes announcing only one prefix: 2594 APNIC Region transit ASes present in the Internet Routing Table: 1374 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 4244 Number of APNIC addresses announced to Internet: 768654080 Equivalent to 45 /8s, 208 /16s and 187 /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, 131072-139577 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: 215649 Total ARIN prefixes after maximum aggregation: 102513 ARIN Deaggregation factor: 2.10 Prefixes being announced from the ARIN address blocks: 215027 Unique aggregates announced from the ARIN address blocks: 102616 ARIN Region origin ASes present in the Internet Routing Table: 18303 ARIN Prefixes per ASN: 11.75 ARIN Region origin ASes announcing only one prefix: 6797 ARIN Region transit ASes present in the Internet Routing Table: 1830 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 40 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2508 Number of ARIN addresses announced to Internet: 1092452512 Equivalent to 65 /8s, 29 /16s and 128 /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, 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: 198440 Total RIPE prefixes after maximum aggregation: 94770 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 194842 Unique aggregates announced from the RIPE address blocks: 115273 RIPE Region origin ASes present in the Internet Routing Table: 25652 RIPE Prefixes per ASN: 7.60 RIPE Region origin ASes announcing only one prefix: 11473 RIPE Region transit ASes present in the Internet Routing Table: 3543 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 7619 Number of RIPE addresses announced to Internet: 715996288 Equivalent to 42 /8s, 173 /16s and 60 /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: 94184 Total LACNIC prefixes after maximum aggregation: 21788 LACNIC Deaggregation factor: 4.32 Prefixes being announced from the LACNIC address blocks: 95553 Unique aggregates announced from the LACNIC address blocks: 41760 LACNIC Region origin ASes present in the Internet Routing Table: 7817 LACNIC Prefixes per ASN: 12.22 LACNIC Region origin ASes announcing only one prefix: 2144 LACNIC Region transit ASes present in the Internet Routing Table: 1480 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5361 Number of LACNIC addresses announced to Internet: 172600320 Equivalent to 10 /8s, 73 /16s and 172 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-268700 + 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: 19642 Total AfriNIC prefixes after maximum aggregation: 4156 AfriNIC Deaggregation factor: 4.73 Prefixes being announced from the AfriNIC address blocks: 24955 Unique aggregates announced from the AfriNIC address blocks: 8481 AfriNIC Region origin ASes present in the Internet Routing Table: 1218 AfriNIC Prefixes per ASN: 20.49 AfriNIC Region origin ASes announcing only one prefix: 413 AfriNIC Region transit ASes present in the Internet Routing Table: 239 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 494 Number of AfriNIC addresses announced to Internet: 102497536 Equivalent to 6 /8s, 27 /16s and 253 /24s 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 4639 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4622 518 517 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 2992 1150 89 VIETEL-AS-AP Viettel Group, VN 45899 2975 1701 113 VNPT-AS-VN VNPT Corp, VN 4766 2832 11131 767 KIXS-AS-KR Korea Telecom, KR 9829 2747 1496 551 BSNL-NIB National Internet Backbone, IN 9808 2444 8699 26 CMNET-GD Guangdong Mobile Communication 9394 2431 4907 31 CTTNET China TieTong Telecommunications 17974 2250 968 51 TELKOMNET-AS2-AP PT Telekomunikasi Indo 4755 2134 421 171 TATACOMM-AS TATA Communications formerl
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 6327 3495 1324 84 SHAW - Shaw Communications Inc., CA 11492 3465 224 626 CABLEONE - CABLE ONE, INC., US 22773 3281 2973 166 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 16509 2549 5241 963 AMAZON-02 - Amazon.com, Inc., US 16625 2238 1215 1668 AKAMAI-AS - Akamai Technologies, Inc., 18566 2154 405 109 MEGAPATH5-US - MegaPath Corporation, US 20115 2144 2740 538 CHARTER-20115 - Charter Communications, 5650 2087 3074 1462 FRONTIER-FRTR - Frontier Communications 30036 2070 347 137 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 2047 5079 593 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
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 5139 1614 132 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 8551 3037 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2572 560 1910 AKAMAI-ASN1, US 12389 2185 2194 615 ROSTELECOM-AS, RU 34984 2045 337 536 TELLCOM-AS, TR 9121 1876 1691 17 TTNET, TR 13188 1605 100 42 TRIOLAN, UA 8402 1290 544 14 CORBINA-AS OJSC "Vimpelcom", RU 6849 1218 355 21 UKRTELNET, 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 5441 3313 605 Uninet S.A. de C.V., MX 10620 3124 475 887 Telmex Colombia S.A., CO 11830 2675 371 71 Instituto Costarricense de Electricidad 6503 1662 449 55 Axtel, S.A.B. de C.V., MX 7303 1439 962 217 Telecom Argentina S.A., AR 28573 1185 2240 185 CLARO S.A., BR 6147 1114 377 29 Telefonica del Peru S.A.A., PE 3816 1024 513 117 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11172 947 145 70 Alestra, S. de R.L. de C.V., MX 13999 922 537 260 Mega Cable, S.A. 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 37611 908 107 9 Afrihost, ZA 36903 796 400 142 MT-MPLS, MA 36992 759 1411 44 ETISALAT-MISR, EG 24863 725 393 22 LINKdotNET-AS, EG 24835 683 632 20 RAYA-AS, EG 8452 648 1728 15 TE-AS TE-AS, EG 29571 472 70 12 ORANGE-COTE-IVOIRE, CI 37492 467 470 57 ORANGE-, TN 37342 421 32 1 MOVITEL, MZ 15399 411 45 11 WANANCHI-, KE
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 5441 3313 605 Uninet S.A. de C.V., MX 12479 5139 1614 132 UNI2-AS, ES 4538 4639 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4622 518 517 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 3778 203 20 ALJAWWALSTC-AS, SA 6327 3495 1324 84 SHAW - Shaw Communications Inc., CA 11492 3465 224 626 CABLEONE - CABLE ONE, INC., US 22773 3281 2973 166 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 10620 3124 475 887 Telmex Colombia S.A., CO 8551 3037 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 12479 5139 5007 UNI2-AS, ES 4538 4639 4565 ERX-CERNET-BKB China Education and Research Net 7545 4622 4105 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 3778 3758 ALJAWWALSTC-AS, SA 6327 3495 3411 SHAW - Shaw Communications Inc., CA 22773 3281 3115 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 8551 3037 2994 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 2992 2903 VIETEL-AS-AP Viettel Group, VN 45899 2975 2862 VNPT-AS-VN VNPT Corp, VN 11492 3465 2839 CABLEONE - CABLE ONE, INC., US
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc 266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN 65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom 64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64121 UNALLOCATED 98.159.12.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64140 UNALLOCATED 98.159.14.0/24 64121 UNKNOWN 65001 PRIVATE 109.161.56.0/24 13118 ASN-YARTELECOM PJSC Rostelecom 92937 UNALLOCATED 110.49.72.0/24 45458 SBN-AWN-AS-02-AP SBN-ISP/AWN-I 4230060012 PRIVATE 132.190.106.0/24 64673 -Private Use AS-, ZZ 4230060012 PRIVATE 132.190.232.0/24 64673 -Private Use AS-, ZZ
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 27.100.7.0/24 56096 UNKNOWN 41.76.136.0/22 37500 -Reserved AS-, ZZ 41.76.140.0/22 37500 -Reserved AS-, ZZ 41.78.92.0/22 14988 BTC-GATE1, BW 41.78.180.0/23 37265 -Reserved AS-, ZZ 43.255.80.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US 43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US 43.255.83.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US 45.121.32.0/22 134356 UNKNOWN 45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
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 /8:13 /9:11 /10:36 /11:99 /12:291 /13:568 /14:1121 /15:1908 /16:13317 /17:7888 /18:13852 /19:25492 /20:39563 /21:46144 /22:90173 /23:74158 /24:409898 /25:826 /26:642 /27:641 /28:39 /29:20 /30:21 /31:4 /32:54
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 12479 3961 5139 UNI2-AS, ES 6327 3267 3495 SHAW - Shaw Communications Inc., CA 39891 2946 3778 ALJAWWALSTC-AS, SA 11492 2754 3465 CABLEONE - CABLE ONE, INC., US 22773 2532 3281 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 8551 2493 3037 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 18566 2048 2154 MEGAPATH5-US - MegaPath Corporation, US 11830 2020 2675 Instituto Costarricense de Electricidad y Telec 30036 1819 2070 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 5650 1761 2087 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1629 2:886 4:18 5:2728 6:42 7:1 8:1149 12:1873 13:262 14:1873 15:35 16:3 17:195 18:58 20:48 23:2566 24:2404 25:2 27:2538 31:2001 32:88 35:31 36:533 37:2961 38:1589 39:274 40:120 41:3137 42:730 43:1976 44:134 45:6130 46:3036 47:239 49:1317 50:1069 51:318 52:1109 54:362 55:1 56:6 57:41 58:1699 59:1069 60:461 61:2110 62:1882 63:1802 64:5068 65:2177 66:4783 67:2652 68:1157 69:3349 70:1152 71:600 72:2245 74:2715 75:408 76:497 77:1689 78:1755 79:2216 80:1584 81:1412 82:1055 83:819 84:1074 85:2124 86:581 87:1483 88:948 89:2401 90:209 91:6468 92:1282 93:2398 94:2391 95:3091 96:910 97:348 98:941 99:167 100:87 101:1159 102:291 103:19282 104:3611 105:243 106:891 107:1832 108:705 109:3414 110:1638 111:1826 112:1405 113:1332 114:1146 115:1706 116:1658 117:1881 118:2221 119:1676 120:1117 121:1034 122:2347 123:1696 124:1457 125:1949 128:1203 129:689 130:515 131:1632 132:711 133:193 134:1043 135:224 136:534 137:670 138:1976 139:746 140:565 141:755 142:805 143:1009 144:848 145:498 146:1236 147:762 148:1696 149:774 150:770 151:992 152:899 153:327 154:2091 155:962 156:1628 157:843 158:652 159:1883 160:1470 161:887 162:2643 163:762 164:1116 165:1590 166:460 167:1341 168:3157 169:864 170:4018 171:499 172:1056 173:2104 174:987 175:868 176:2232 177:3978 178:2522 179:1307 180:2129 181:2361 182:2607 183:1321 184:1140 185:14373 186:3603 187:2492 188:2934 189:2060 190:8297 191:1375 192:9928 193:6420 194:5265 195:4040 196:2995 197:1788 198:5678 199:5981 200:7382 201:5014 202:10253 203:10227 204:4613 205:3002 206:3259 207:3214 208:3960 209:4175 210:3876 211:2027 212:3056 213:2796 214:1056 215:55 216:6044 217:2175 218:872 219:577 220:1827 221:999 222:969 223:1403
End of report
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