% 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://docs.db.ripe.net/terms-conditions.html

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

% Information related to '81.62.0.0 - 81.62.127.255'

% Abuse contact for '81.62.0.0 - 81.62.127.255' is 'abuse@bluewin.ch'

inetnum:        81.62.0.0 - 81.62.127.255
netname:        BLUEWINNET
descr:          Bluewin is an LIR and ISP in Switzerland.
descr:          This range is used for dynamic customer pools.
country:        CH
admin-c:        BCR1-RIPE
tech-c:         BCR1-RIPE
status:         ASSIGNED PA
remarks:        ************************************************
remarks:        Swisscom (Schweiz) AG is an ISP and LIR in Switzerland.
remarks:        In case of hack attacks, spam, scans etc. please
remarks:        send abuse mail notifications to abuse-mailbox
remarks:
remarks:        abuse@bluewin.ch
remarks:
remarks:        E-Mails to the persons below will be IGNORED!
remarks:        ************************************************
mnt-by:         BLUEWINNET-MNT
mnt-lower:      BLUEWINNET-MNT
created:        2017-12-11T09:59:31Z
last-modified:  2017-12-11T09:59:31Z
source:         RIPE # Filtered

role:           Bluewin Contact Role
address:        Swisscom (Switzerland) Ltd.
address:        Internet Service Core Networks
address:        INI-MBM-BNC
address:        Binzring 17
address:        CH-8045 Zurich
address:        Switzerland
abuse-mailbox:  abuse@bluewin.ch
remarks:        ***************************************************
remarks:        Swisscom (Schweiz) AG / Bluewin is an
remarks:        internet service provider and LIR in CH.
remarks:        In case of hack attacks, spam, scans etc. please
remarks:        send abuse mail notifications to the abuse-mailbox:
remarks:
remarks:        abuse@bluewin.ch
remarks:
remarks:        E-Mails to the persons below will be IGNORED!
remarks:        ***************************************************
org:            ORG-BA8-RIPE
admin-c:        CE2871-RIPE
admin-c:        EG7936-RIPE
admin-c:        TG267-RIPE
admin-c:        GDM658-RIPE
admin-c:        SF3464-RIPE
tech-c:         EG7936-RIPE
tech-c:         TG267-RIPE
tech-c:         GDM658-RIPE
tech-c:         SF3464-RIPE
tech-c:         CE2871-RIPE
nic-hdl:        BCR1-RIPE
mnt-by:         BLUEWINNET-MNT
created:        2003-04-08T08:53:32Z
last-modified:  2022-12-05T12:35:44Z
source:         RIPE # Filtered

% Information related to '81.62.0.0/17AS3303'

route:          81.62.0.0/17
descr:          Swisscom (Schweiz) AG - Bluewin
origin:         AS3303
mnt-by:         ch-unisource-admin-mnt
created:        2016-02-13T18:06:04Z
last-modified:  2023-11-08T13:32:25Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (BUSA)

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