% 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 '194.158.250.0 - 194.158.251.255'

% Abuse contact for '194.158.250.0 - 194.158.251.255' is 'abuse@sunrise.net'

inetnum:        194.158.250.0 - 194.158.251.255
netname:        SUNRISE-DSL-WAN
descr:          DSL Light and Premium
descr:          sunrise - TDC Communications AG
descr:          Hagenholzstrasse 20
descr:          8050 Oerlikon
country:        CH
admin-c:        SIPR1-RIPE
tech-c:         DB2502-RIPE
status:         ASSIGNED PA
mnt-by:         AS6730-MNT
created:        2008-11-28T14:20:53Z
last-modified:  2009-03-09T14:37:55Z
source:         RIPE # Filtered

role:           sunrise ip registry
address:        Sunrise GmbH
address:        Thurgauerstrasse 101B
address:        CH-8152 Glattpark
address:        Switzerland
abuse-mailbox:  abuse@sunrise.net
tech-c:         MA9163-RIPE
admin-c:        MA9163-RIPE
tech-c:         ZS1251-RIPE
tech-c:         DS3205-RIPE
tech-c:         LZ1685-RIPE
tech-c:         JJ3998-RIPE
tech-c:         TCL19-RIPE
tech-c:         DG10180-RIPE
tech-c:         IC3646-RIPE
nic-hdl:        SIPR1-RIPE
remarks:        -------------------------------------------------------
remarks:        For routing/peering issues, email peering@sunrise.net
remarks:        For abuse issues, email abuse@sunrise.net
remarks:        For our helpdesk, email helpdesk@sunrise.net
remarks:        For BGP community support, see AS-COMMUNITIES
remarks:        Business homepage: www.sunrise.net
remarks:        Residential homepage: www.sunrise.ch
remarks:        -------------------------------------------------------
mnt-by:         AS6730-MNT
created:        2002-08-13T10:58:02Z
last-modified:  2024-01-09T16:07:13Z
source:         RIPE # Filtered

person:         Danilo Boado
address:        Huawei
address:        Zurichstrasse 130
address:        8600 Dubendorf
address:        Switzerland
phone:          +41 44 525 42 00
nic-hdl:        DB2502-RIPE
mnt-by:         AS6730-MNT
created:        2007-01-26T10:27:40Z
last-modified:  2013-07-02T07:32:02Z
source:         RIPE # Filtered

% Information related to '194.158.224.0/19AS6730'

route:          194.158.224.0/19
descr:          CH-SUNRISE-960112
descr:          sunrise / TDC Switzerland AG
origin:         AS6730
mnt-by:         AS6730-MNT
created:        2002-05-23T15:26:21Z
last-modified:  2002-05-23T15:26:21Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.113.2 (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