163.221.204.0/24
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 163.221.204.0/24 is loaded by JavaScript after the page renders and is not part of this page's HTML. | ||
Reverse DNS List (Total:73)
| IP | Host | DateTime |
|---|---|---|
| 163.221.204.1 | ex-core2-ifrc14.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.20 | mfp-ifrc14.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.100 | h23ifrc14p.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.106 | desktop-oc9rtii.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.110 | dsc-nojima-1.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.111 | dscwb.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.115 | inagaki-laptop-pc.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.116 | inagaki-desktop-pc.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.121 | chemagent01.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.122 | pistachio.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.131 | bigdata-mbpr.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.132 | bigdata-printer.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.133 | bigdata-sec.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.134 | bigdata-appletv.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.135 | bigdata-note01.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.136 | dscnlpassist.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.137 | ahczenbook01.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.138 | ahczenbook02.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.140 | www-dsc-bak.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.141 | dscdesk1.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.142 | csbmacpro1.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.143 | dscbak1.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.145 | almond.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.150 | poplar.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.201 | ifrc4-dhcp-204-201.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.202 | ifrc4-dhcp-204-202.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.203 | ifrc4-dhcp-204-203.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.204 | ifrc4-dhcp-204-204.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.205 | ifrc4-dhcp-204-205.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.206 | ifrc4-dhcp-204-206.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.207 | ifrc4-dhcp-204-207.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.208 | ifrc4-dhcp-204-208.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.209 | ifrc4-dhcp-204-209.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.210 | ifrc4-dhcp-204-210.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.211 | ifrc4-dhcp-204-211.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.212 | ifrc4-dhcp-204-212.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.213 | ifrc4-dhcp-204-213.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.214 | ifrc4-dhcp-204-214.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.215 | ifrc4-dhcp-204-215.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.216 | ifrc4-dhcp-204-216.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.217 | ifrc4-dhcp-204-217.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.218 | ifrc4-dhcp-204-218.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.219 | ifrc4-dhcp-204-219.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.220 | ifrc4-dhcp-204-220.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.221 | ifrc4-dhcp-204-221.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.222 | ifrc4-dhcp-204-222.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.223 | ifrc4-dhcp-204-223.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.224 | ifrc4-dhcp-204-224.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.225 | ifrc4-dhcp-204-225.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.226 | ifrc4-dhcp-204-226.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.227 | ifrc4-dhcp-204-227.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.228 | ifrc4-dhcp-204-228.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.229 | ifrc4-dhcp-204-229.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.230 | ifrc4-dhcp-204-230.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.231 | ifrc4-dhcp-204-231.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.232 | ifrc4-dhcp-204-232.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.233 | ifrc4-dhcp-204-233.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.234 | ifrc4-dhcp-204-234.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.235 | ifrc4-dhcp-204-235.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.236 | ifrc4-dhcp-204-236.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.237 | ifrc4-dhcp-204-237.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.238 | ifrc4-dhcp-204-238.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.239 | ifrc4-dhcp-204-239.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.240 | ifrc4-dhcp-204-240.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.241 | ifrc4-dhcp-204-241.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.242 | ifrc4-dhcp-204-242.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.243 | ifrc4-dhcp-204-243.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.244 | ifrc4-dhcp-204-244.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.245 | ifrc4-dhcp-204-245.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.246 | ifrc4-dhcp-204-246.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.247 | ifrc4-dhcp-204-247.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.248 | ifrc4-dhcp-204-248.naist.jp | 2026-09-12 19:01:33 |
| 163.221.204.249 | ifrc4-dhcp-204-249.naist.jp | 2026-09-12 19:01:33 |
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 |