Whois

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '163.221.0.0 - 163.221.255.255'

% Abuse contact for '163.221.0.0 - 163.221.255.255' is '[email protected]'

inetnum:        163.221.0.0 - 163.221.255.255
netname:        AISTNET
country:        JP
descr:          Nara Institute of Science and Technology, National University Corporation
admin-c:        MC1685-AP
tech-c:         MK998-AP
tech-c:         YS2498-AP
tech-c:         AY553-AP
status:         ASSIGNED PORTABLE
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2021-10-29T09:32:02Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)