163.221.39.0/24
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 163.221.39.0/24 is loaded by JavaScript after the page renders and is not part of this page's HTML. | ||
Reverse DNS List (Total:35)
| IP | Host | DateTime |
|---|---|---|
| 163.221.39.1 | vr-3230.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.2 | ex-core1-v3230.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.3 | ex-core2-v3230.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.10 | sysmgr231.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.24 | fs231.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.25 | fs232.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.65 | vr-3231.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.66 | ex-core1-v3231.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.67 | ex-core2-v3231.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.88 | fs23-r11.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.89 | fs23-r12.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.90 | fs23-r13.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.91 | fs23-r14.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.92 | fs23-r21.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.93 | fs23-r22.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.94 | fs23-r23.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.95 | fs23-r24.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.129 | vr-3232.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.130 | ex-core1-v3232.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.131 | ex-core2-v3232.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.138 | ruckus232-vme.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.139 | cloudpath232-vme.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.140 | ruckus230.naist.jp ruckus231.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.141 | ruckus232.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.142 | ruckus-dp231.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.143 | ruckus-dp232.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.144 | cloudpath2024.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.146 | cloudpath231.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.147 | cloudpath232.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.148 | ruckus-iotctl.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.150 | ruckus-iotctl231.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.151 | ruckus-iotctl232.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.152 | ruckus-iotins231.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.154 | ruckus233.naist.jp | 2026-09-12 18:58:10 |
| 163.221.39.155 | cloudpath233.naist.jp | 2026-09-12 18:58:10 |
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 |