% 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 '77.232.156.0 - 77.232.159.255'

% Abuse contact for '77.232.156.0 - 77.232.159.255' is 'golovina-ripe@yandex.ru'

inetnum:        77.232.156.0 - 77.232.159.255
netname:        TELESERVISE
descr:          Delta telesystems
country:        RU
admin-c:        KBRN-RIPE
tech-c:         KBRN-RIPE
status:         ASSIGNED PA
mnt-by:         MNT-RUBIN
created:        2010-12-10T10:17:06Z
last-modified:  2022-11-17T06:57:28Z
source:         RIPE
mnt-routes:     MNT-RUBIN
mnt-domains:    MNT-RUBIN
mnt-lower:      MNT-RUBIN

role:           KB Rubin Network Administration Center
address:        109382, Russia, Moscow
address:        ul. Krasnodonskaya, d. 24, et. 1, pom. 8, kom. 1
phone:          +7 (495) 648-00-20
abuse-mailbox:  noc@lifelink.ru
admin-c:        MK5725-RIPE
tech-c:         MK5725-RIPE
nic-hdl:        KBRN-RIPE
mnt-by:         MNT-RUBIN
created:        2005-11-21T08:14:43Z
last-modified:  2020-12-09T17:19:41Z
source:         RIPE # Filtered

% Information related to '77.232.156.0/22AS50126'

route:          77.232.156.0/22
origin:         AS50126
mnt-by:         MNT-RUBIN
created:        2022-11-17T06:59:01Z
last-modified:  2022-11-17T06:59:01Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.112 (SHETLAND)

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