>>8579373 (pb)
163.46 is in japan. Yokkaichi University
$ whois 163.46.100.1
% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object
refer: whois.apnic.net
inetnum: 163.0.0.0 - 163.255.255.255
organisation: Administered by APNIC
status: LEGACY
whois: whois.apnic.net
changed: 1993-05
source: IANA
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to '163.46.0.0 - 163.46.255.255'
% Abuse contact for '163.46.0.0 - 163.46.255.255' is 'hostmaster@nic.ad.jp'
inetnum: 163.46.0.0 - 163.46.255.255
netname: YUCC-NET
country: JP
descr: Yokkaichi University