% APNIC found the following authoritative answer from: whois.ripe.net

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://apps.db.ripe.net/docs/HTML-Terms-And-Conditions

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '83.140.180.0 - 83.140.180.255'

% Abuse contact for '83.140.180.0 - 83.140.180.255' is 'abuse@ip-only.net'

inetnum:        83.140.180.0 - 83.140.180.255
netname:        WEBGUIDE-OFFICE-NET
descr:          WebGuide Partner AB
remarks:        *******************************************************
remarks:        * In case of abuse, send mail to abuse@port80.se
remarks:        * Abuse mail to any other address will be ignored!
remarks:        *******************************************************
country:        SE
admin-c:        PORT80-RIPE
tech-c:         PORT80-RIPE
mnt-by:         PORT80-MNT
created:        2006-02-22T13:38:13Z
last-modified:  2006-02-22T13:38:13Z
source:         RIPE # Filtered
status:         ASSIGNED PA

role:           IP-Only Registry (Former Port80 staff)
address:        S-75381 Uppsala
address:        Sweden
phone:          +46 18 843 27 27
abuse-mailbox:  abuse@ip-only.net
tech-c:         IR514-RIPE
admin-c:        IR514-RIPE
nic-hdl:        PORT80-RIPE
mnt-by:         IP-ONLY-MNT
created:        2002-08-15T18:25:53Z
last-modified:  2018-03-18T14:02:04Z
source:         RIPE # Filtered

% Information related to '83.140.160.0/19AS16150'

route:          83.140.160.0/19
descr:          STH, Port80, Sweden
remarks:        ****************************************************
remarks:        * In case of abuse, send mail to abuse@rixtelecom.se
remarks:        * Abuse mail to any other address will be ignored!
remarks:        ****************************************************
origin:         AS16150
mnt-by:         PORT80-MNT
created:        2006-10-19T16:17:07Z
last-modified:  2006-10-19T16:17:07Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.111 (DEXTER)

Search for
IP address lookups			Miscellaneous queries
-l	1st level less specific		-i	Inverse attributes	None admin-c admin-c,tech-c,zone-c author cross-mnt cross-nfy local-as mbrs-by-ref member-of mnt-by mnt-lower mnt-nfy mnt-routes notify nserver origin person referral-by rev-srv sub-dom tech-c upd-to zone-c
-L	All less specific		-T	Object types	All as-block as-set aut-num domain filter-set inet-rtr inet6num inetnum irt key-cert mntner peering-set person role route route-set rtr-set
-m	1st level more specific
-M	All more specific		Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain