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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 04 Jun, 2017
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 649600 Prefixes after maximum aggregation (per Origin AS): 253324 Deaggregation factor: 2.56 Unique aggregates announced (without unneeded subnets): 313884 Total ASes present in the Internet Routing Table: 57397 Prefixes per ASN: 11.32 Origin-only ASes present in the Internet Routing Table: 49681 Origin ASes announcing only one prefix: 21965 Transit ASes present in the Internet Routing Table: 7716 Transit-only ASes present in the Internet Routing Table: 221 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 45 Max AS path prepend of ASN ( 55644) 41 Prefixes from unregistered ASNs in the Routing Table: 71 Numnber of instances of unregistered ASNs: 75 Number of 32-bit ASNs allocated by the RIRs: 18878 Number of 32-bit ASNs visible in the Routing Table: 14659 Prefixes from 32-bit ASNs in the Routing Table: 59533 Number of bogon 32-bit ASNs visible in the Routing Table: 62 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 370 Number of addresses announced to Internet: 2848675684 Equivalent to 169 /8s, 203 /16s and 87 /24s Percentage of available address space announced: 76.9 Percentage of allocated address space announced: 76.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.6 Total number of prefixes smaller than registry allocations: 216475
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 178309 Total APNIC prefixes after maximum aggregation: 51256 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 177532 Unique aggregates announced from the APNIC address blocks: 73372 APNIC Region origin ASes present in the Internet Routing Table: 8160 APNIC Prefixes per ASN: 21.76 APNIC Region origin ASes announcing only one prefix: 2280 APNIC Region transit ASes present in the Internet Routing Table: 1156 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: 2983 Number of APNIC addresses announced to Internet: 763375716 Equivalent to 45 /8s, 128 /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, 131072-137529 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: 197732 Total ARIN prefixes after maximum aggregation: 94469 ARIN Deaggregation factor: 2.09 Prefixes being announced from the ARIN address blocks: 199729 Unique aggregates announced from the ARIN address blocks: 91811 ARIN Region origin ASes present in the Internet Routing Table: 17895 ARIN Prefixes per ASN: 11.16 ARIN Region origin ASes announcing only one prefix: 6623 ARIN Region transit ASes present in the Internet Routing Table: 1779 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1999 Number of ARIN addresses announced to Internet: 1110653088 Equivalent to 66 /8s, 51 /16s and 56 /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, 393216-397212 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: 175109 Total RIPE prefixes after maximum aggregation: 85457 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 170696 Unique aggregates announced from the RIPE address blocks: 102726 RIPE Region origin ASes present in the Internet Routing Table: 24079 RIPE Prefixes per ASN: 7.09 RIPE Region origin ASes announcing only one prefix: 11098 RIPE Region transit ASes present in the Internet Routing Table: 3391 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 5879 Number of RIPE addresses announced to Internet: 711637632 Equivalent to 42 /8s, 106 /16s and 186 /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 196608-207259 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: 81172 Total LACNIC prefixes after maximum aggregation: 18282 LACNIC Deaggregation factor: 4.44 Prefixes being announced from the LACNIC address blocks: 82450 Unique aggregates announced from the LACNIC address blocks: 38696 LACNIC Region origin ASes present in the Internet Routing Table: 5968 LACNIC Prefixes per ASN: 13.82 LACNIC Region origin ASes announcing only one prefix: 1641 LACNIC Region transit ASes present in the Internet Routing Table: 1098 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3483 Number of LACNIC addresses announced to Internet: 170734048 Equivalent to 10 /8s, 45 /16s and 49 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-266652 + 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: 17164 Total AfriNIC prefixes after maximum aggregation: 3812 AfriNIC Deaggregation factor: 4.50 Prefixes being announced from the AfriNIC address blocks: 18823 Unique aggregates announced from the AfriNIC address blocks: 6948 AfriNIC Region origin ASes present in the Internet Routing Table: 1048 AfriNIC Prefixes per ASN: 17.96 AfriNIC Region origin ASes announcing only one prefix: 322 AfriNIC Region transit ASes present in the Internet Routing Table: 202 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 315 Number of AfriNIC addresses announced to Internet: 91851264 Equivalent to 5 /8s, 121 /16s and 138 /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 5559 4190 74 ERX-CERNET-BKB China Education and Rese 7545 3935 402 370 TPG-INTERNET-AP TPG Telecom Limited, AU 17974 2999 903 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo 4766 2781 11137 759 KIXS-AS-KR Korea Telecom, KR 9829 2736 1499 540 BSNL-NIB National Internet Backbone, IN 9808 2215 8699 34 CMNET-GD Guangdong Mobile Communication 4755 2090 422 222 TATACOMM-AS TATA Communications formerl 45899 1983 1392 108 VNPT-AS-VN VNPT Corp, VN 7552 1617 1100 66 VIETEL-AS-AP Viettel Corporation, VN 9498 1581 361 138 BBIL-AP BHARTI Airtel Ltd., 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 22773 3725 2968 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 6327 3418 1333 80 SHAW - Shaw Communications Inc., CA 18566 2181 405 109 MEGAPATH5-US - MegaPath Corporation, US 6389 2066 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc., 20115 2006 2166 417 CHARTER-NET-HKY-NC - Charter Communicat 209 1814 5069 638 CENTURYLINK-US-LEGACY-QWEST - Qwest Com 16509 1802 3439 586 AMAZON-02 - Amazon.com, Inc., US 30036 1778 324 316 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 6983 1695 854 232 ITCDELTA - Earthlink, Inc., US 701 1561 10578 637 UUNET - MCI Communications Services, In
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 3338 187 22 ALJAWWALSTC-AS, SA 8551 3187 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2866 985 2058 AKAMAI-ASN1, US 34984 2014 328 387 TELLCOM-AS, TR 9121 1980 1691 17 TTNET, TR 12479 1612 1044 52 UNI2-AS, ES 13188 1597 99 55 TRIOLAN, UA 12389 1507 1398 620 ROSTELECOM-AS, RU 9198 1325 352 25 KAZTELECOM-AS, KZ 6849 1225 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 10620 3538 544 173 Telmex Colombia S.A., CO 8151 2540 3402 571 Uninet S.A. de C.V., MX 11830 2084 369 57 Instituto Costarricense de Electricidad 7303 1567 1009 250 Telecom Argentina S.A., AR 6503 1540 437 53 Axtel, S.A.B. de C.V., MX 3816 1012 494 186 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 28573 1010 2300 176 CLARO S.A., BR 6147 966 377 27 Telefonica del Peru S.A.A., PE 11172 906 126 81 Alestra, S. de R.L. de C.V., MX 18881 895 1052 23 TELEFÔNICA BRASIL S.A, BR
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 1260 398 48 LINKdotNET-AS, EG 36903 713 358 123 MT-MPLS, MA 37611 713 67 7 Afrihost, ZA 36992 627 1375 26 ETISALAT-MISR, EG 24835 495 850 15 RAYA-AS, EG 29571 419 36 10 CITelecom-AS, CI 37492 407 320 75 ORANGE-, TN 8452 401 1730 17 TE-AS TE-AS, EG 15399 353 35 7 WANANCHI-, KE 2018 297 327 74 TENET-1, ZA
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 5559 4190 74 ERX-CERNET-BKB China Education and Rese 7545 3935 402 370 TPG-INTERNET-AP TPG Telecom Limited, AU 22773 3725 2968 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 10620 3538 544 173 Telmex Colombia S.A., CO 6327 3418 1333 80 SHAW - Shaw Communications Inc., CA 39891 3338 187 22 ALJAWWALSTC-AS, SA 8551 3187 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 17974 2999 903 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo 20940 2866 985 2058 AKAMAI-ASN1, US 4766 2781 11137 759 KIXS-AS-KR Korea Telecom, KR
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 22773 3725 3572 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 3935 3565 TPG-INTERNET-AP TPG Telecom Limited, AU 10620 3538 3365 Telmex Colombia S.A., CO 6327 3418 3338 SHAW - Shaw Communications Inc., CA 39891 3338 3316 ALJAWWALSTC-AS, SA 8551 3187 3147 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 17974 2999 2927 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I 9829 2736 2196 BSNL-NIB National Internet Backbone, IN 9808 2215 2181 CMNET-GD Guangdong Mobile Communication Co.Ltd. 18566 2181 2072 MEGAPATH5-US - MegaPath Corporation, 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 65001 PRIVATE 5.143.176.0/20 15468 KLGELECS-AS 38, Teatralnaya st 65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US 65001 PRIVATE 31.172.192.0/20 15468 KLGELECS-AS 38, Teatralnaya st 65001 PRIVATE 31.172.192.0/21 15468 KLGELECS-AS 38, Teatralnaya st 65001 PRIVATE 31.172.200.0/21 15468 KLGELECS-AS 38, Teatralnaya st 65001 PRIVATE 31.172.208.0/21 15468 KLGELECS-AS 38, Teatralnaya st 65001 PRIVATE 31.172.216.0/21 15468 KLGELECS-AS 38, Teatralnaya st 65000 PRIVATE 31.219.177.0/25 8966 ETISALAT-AS P.O. Box 1150, Dub 65000 PRIVATE 31.219.177.128/25 8966 ETISALAT-AS P.O. Box 1150, Dub 66255 UNALLOCATED 45.6.244.0/22 16735 ALGAR TELECOM S/A, BR
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 14.128.15.0/24 55427 BROADLINK-AS-AP Broadlink Nepal, NP 14.192.48.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE 14.192.49.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE 14.192.50.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE 14.192.51.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE 27.100.7.0/24 56096 UNKNOWN 36.255.248.0/24 64091 UNKNOWN 36.255.250.0/24 64091 UNKNOWN 41.76.232.0/21 62878 XLITT - Xlitt, US 41.77.248.0/21 62878 XLITT - Xlitt, US
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 /8:15 /9:13 /10:36 /11:104 /12:280 /13:546 /14:1047 /15:1849 /16:13486 /17:7617 /18:13408 /19:24639 /20:38557 /21:41107 /22:76952 /23:64020 /24:363736 /25:828 /26:605 /27:632 /28:40 /29:27 /30:25 /31:3 /32:28
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6327 3212 3418 SHAW - Shaw Communications Inc., CA 39891 2898 3338 ALJAWWALSTC-AS, SA 22773 2877 3725 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 8551 2652 3187 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 18566 2074 2181 MEGAPATH5-US - MegaPath Corporation, US 30036 1574 1778 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 11830 1474 2084 Instituto Costarricense de Electricidad y Telec 10620 1468 3538 Telmex Colombia S.A., CO 6389 1373 2066 BELLSOUTH-NET-BLK - BellSouth.net Inc., US 9121 1372 1980 TTNET, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1603 2:844 4:27 5:2424 6:34 8:1096 12:1825 13:122 14:1772 15:27 16:2 17:123 18:121 20:57 23:2301 24:1823 25:2 27:2431 31:1901 32:83 33:9 35:20 36:408 37:2593 38:1327 39:42 40:93 41:3010 42:471 43:1925 44:72 45:2695 46:2771 47:122 49:1214 50:984 51:19 52:819 54:360 55:5 56:4 57:42 58:1599 59:1042 60:390 61:1944 62:1554 63:1916 64:4575 65:2208 66:4531 67:2252 68:1219 69:3371 70:1147 71:581 72:2160 74:2679 75:387 76:431 77:1472 78:1440 79:2441 80:1404 81:1382 82:991 83:723 84:871 85:1758 86:481 87:1150 88:766 89:2059 90:176 91:6201 92:1021 93:2389 94:2368 95:2755 96:622 97:352 98:1031 99:90 100:155 101:1308 103:14923 104:2910 105:188 106:486 107:1645 108:816 109:3004 110:1409 111:1743 112:1185 113:1227 114:1032 115:1729 116:1790 117:1716 118:2154 119:1595 120:1025 121:1110 122:2279 123:1814 124:1524 125:1890 128:740 129:643 130:441 131:1377 132:511 133:191 134:644 135:226 136:452 137:440 138:1954 139:483 140:377 141:571 142:758 143:921 144:789 145:182 146:1030 147:670 148:1398 149:579 150:710 151:971 152:793 153:288 154:832 155:742 156:592 157:635 158:450 159:1460 160:667 161:746 162:2515 163:529 164:794 165:1211 166:385 167:1246 168:2669 169:780 170:3325 171:318 172:1016 173:1914 174:804 175:749 176:1846 177:4104 178:2501 179:1150 180:2201 181:1802 182:2357 183:995 184:860 185:9799 186:3108 187:2195 188:2705 189:1823 190:7984 191:1321 192:9419 193:5788 194:4655 195:3888 196:2125 197:1238 198:5511 199:5897 200:7427 201:4301 202:10381 203:9977 204:4474 205:2813 206:3025 207:3167 208:3978 209:4024 210:3964 211:2146 212:2850 213:2483 214:881 215:67 216:5741 217:2090 218:848 219:598 220:1654 221:912 222:757 223:1179
End of report
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