163.221.239.0/24
BGP Announced
| AS | CIDR | Description |
|---|---|---|
| AS131158 |
163.221.0.0/16
|
NAIST-AS - Nara Institute of Science and Technology, National University Corporation, JP |
Real Time BGP Data
| AS / Info | Prefix | AS Path |
|---|---|---|
| Real-time BGP data for 163.221.239.0/24 is loaded by JavaScript after the page renders and is not part of this page's HTML. | ||
Reverse DNS List (Total:119)
| IP | Host | DateTime |
|---|---|---|
| 163.221.239.1 | ex-core2-msf4.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.10 | mfp-msf4.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.15 | online-exam-f4-1.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.16 | online-exam-f4-2.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.30 | ws21ms063.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.31 | ws21ms064.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.32 | ws21ms065.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.33 | ws21ms066.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.34 | ws21ms067.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.35 | ws21ms068.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.36 | ws21ms069.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.37 | ws21ms070.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.38 | ws21ms071.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.39 | ws21ms084.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.40 | ws21ms081.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.41 | ws21ms083.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.50 | ws23ms055.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.51 | ws23ms056.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.52 | ws23ms057.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.53 | ws23ms058.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.54 | ws23ms059.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.55 | ws23ms060.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.56 | ws23ms061.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.57 | ws23ms062.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.58 | ws23ms063.naist.jp | 2026-09-13 22:11:30 |
| 163.221.239.70 | ws24ms052.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.72 | ws24ms054.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.73 | ws24ms055.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.90 | ws25ms067.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.91 | ws25ms068.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.92 | ws25ms069.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.93 | ws25ms070.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.94 | ws25ms071.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.110 | ws22ms054.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.111 | ws22ms055.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.112 | ws22ms056.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.113 | ws22ms057.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.114 | ws22ms058.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.115 | ws22ms059.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.116 | ws22ms060.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.117 | ws22ms061.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.120 | ws22ms064.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.121 | ws22ms065.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.122 | ws22ms066.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.123 | ws22ms067.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.124 | ws22ms068.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.125 | ws22ms069.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.131 | msmd08.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.133 | msmd10.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.134 | msmd11.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.138 | yfuji.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.139 | msmd02.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.140 | msmd03.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.147 | yaesen.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.148 | hasegawa.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.149 | msmd06.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.150 | msmd07.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.159 | msmd04.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.160 | msmd05.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.162 | msop401.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.163 | msop402.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.165 | kawai-gp8.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.166 | kawai-muramasa.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.167 | kawai-950.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.168 | mskw01.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.169 | mskw02.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.170 | mskw03.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.171 | kawai-sec.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.172 | yellowroom.naist.jp | 2026-09-13 22:11:30 |
| 163.221.239.173 | msiaso13.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.174 | msiaso14.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.175 | kino.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.176 | yuasa.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.177 | ms-grmat-31.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.178 | kwgauss.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.180 | kw-d.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.181 | photo01.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.182 | photo02.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.183 | photo03.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.184 | photo04.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.186 | photo06.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.187 | photo07.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.188 | photo08.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.190 | photo10.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.191 | photo11.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.192 | photo20.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.193 | photo-cpl.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.194 | ms-yamada.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.195 | hyamada.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.196 | tmorimoto.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.197 | myamada.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.201 | ms-grmat.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.202 | ms-grmat-02.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.203 | ms-grmat-03.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.204 | ms-grmat-04.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.205 | ms-grmat-05.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.206 | ms-grmat-06.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.207 | ms-grmat-07.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.208 | ms-grmat-08.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.209 | ms-grmat-09.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.210 | ms-grmat-10.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.211 | ms-grmat-11.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.212 | ms-grmat-12.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.213 | ms-grmat-13.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.214 | ms-grmat-14.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.215 | ms-grmat-15.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.216 | ms-grmat-16.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.217 | ms-grmat-17.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.218 | ms-grmat-18.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.219 | ms-grmat-19.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.220 | ms-grmat-20.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.221 | ms-grmat-21.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.222 | ms-grmat-22.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.224 | ms-grmat-23.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.225 | ms-grmat-24.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.226 | ms-grmat-25.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.227 | ms-grmat-26.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.228 | ms-grmat-30.naist.jp | 2026-09-12 19:02:10 |
| 163.221.239.229 | ms-grmat-32.naist.jp | 2026-09-12 19:02:10 |
Top 20 / total ASN
| Country / Region | Allocated ASNs | ASN IPv4 Number | ASN IPv6 Number(/64) |
|---|---|---|---|
United States
|
32219 | 1497299200 | 975910303763789 |
Brazil
|
9157 | 77606656 | 31373490721038 |
China
|
6582 | 356442368 | 148181518405677 |
India
|
6264 | 35222528 | 24757297422338 |
Russian Federation
|
5752 | 47281664 | 11487351490128 |
Indonesia
|
3995 | 11931904 | 1335890477063 |
Germany
|
3253 | 114097664 | 72219796635914 |
United Kingdom
|
3148 | 71173888 | 33263329673219 |
Australia
|
3042 | 40737792 | 20616764002310 |
Canada
|
2518 | 54993920 | 4262402850822 |
Poland
|
2465 | 19310592 | 14416672134154 |
France
|
2174 | 74868480 | 12994736816131 |
Ukraine
|
2014 | 8336384 | 5178559168512 |
Bangladesh
|
2002 | 2099968 | 1166247198721 |
Netherlands
|
1619 | 51557120 | 19177824780814 |
Hong Kong
|
1363 | 20882176 | 5802796253456 |
Argentina
|
1349 | 18638848 | 19658027630592 |
Italy
|
1317 | 52913664 | 29680064266240 |
Japan
|
1277 | 161360384 | 33661432037381 |
Republic of Korea
|
1177 | 112819456 | 17726344724493 |