% 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 '46.140.0.0 - 46.140.255.255'

% Abuse contact for '46.140.0.0 - 46.140.255.255' is 'abuse@sunrise.net'

inetnum:        46.140.0.0 - 46.140.255.255
netname:        CH-UPC-20101119
country:        CH
org:            ORG-CTP1-RIPE
admin-c:        CGRA1-RIPE
tech-c:         CAN6-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8404-MNT
mnt-lower:      AS8404-MNT
mnt-lower:      AS6730-MNT
mnt-routes:     AS8404-MNT
mnt-routes:     AS6730-MNT
created:        2010-11-19T14:57:15Z
last-modified:  2024-08-20T08:52:06Z
source:         RIPE # Filtered

organisation:   ORG-CTP1-RIPE
org-name:       Sunrise GmbH
country:        CH
org-type:       LIR
address:        Thurgauerstrasse 101B
address:        8152
address:        Glattpark (Opfikon)
address:        SWITZERLAND
phone:          +41848660848
fax-no:         +41434975881
admin-c:        SB666-RIPE
admin-c:        PF3906-RIPE
admin-c:        GZ280-RIPE
admin-c:        CGRA1-RIPE
admin-c:        LG10360-RIPE
abuse-c:        AMS250-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS8404-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8404-MNT
created:        2004-04-17T11:01:56Z
last-modified:  2024-02-28T13:52:38Z
source:         RIPE # Filtered

role:           UPC Schweiz GmbH NOC
address:        Sunrise GmbH
address:        Thurgauerstrasse 101B
address:        CH-8152 Glattpark
address:        Switzerland
abuse-mailbox:  abuse@sunrise.net
admin-c:        CGRA1-RIPE
tech-c:         CGRA1-RIPE
nic-hdl:        CAN6-RIPE
mnt-by:         AS8404-MNT
created:        2002-01-24T15:48:50Z
last-modified:  2024-07-09T13:09:50Z
source:         RIPE # Filtered

role:           UPC Schweiz GmbH RIPE Admin
address:        Sunrise GmbH
address:        Thurgauerstrasse 101B
address:        CH-8152 Glattpark
address:        Switzerland
abuse-mailbox:  abuse@sunrise.net
admin-c:        JW7780-RIPE
admin-c:        IC3646-RIPE
admin-c:        MA9163-RIPE
tech-c:         CAN6-RIPE
nic-hdl:        CGRA1-RIPE
mnt-by:         AS8404-MNT
created:        2007-12-03T08:21:26Z
last-modified:  2024-07-09T13:11:05Z
source:         RIPE # Filtered

% Information related to '46.140.128.0/17AS6730'

route:          46.140.128.0/17
descr:          CH-SUNRISE
descr:          sunrise / ex_UPC
origin:         AS6730
mnt-by:         AS8404-MNT
mnt-by:         AS6730-MNT
created:        2023-09-04T08:36:19Z
last-modified:  2023-09-04T08:36:19Z
source:         RIPE

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