% 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 '77.247.232.0 - 77.247.239.255'

% Abuse contact for '77.247.232.0 - 77.247.239.255' is 'abuse@s-inform.net'

inetnum:        77.247.232.0 - 77.247.239.255
netname:        RU-SINFORM-20070703
country:        RU
org:            ORG-OS80-RIPE
admin-c:        AAA99-RIPE
tech-c:         AVA256-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-SINFORM
mnt-routes:     MNT-SINFORM
created:        2007-07-03T13:55:02Z
last-modified:  2017-12-13T09:35:06Z
source:         RIPE

organisation:   ORG-OS80-RIPE
org-name:       JSC Svyazinform
country:        RU
org-type:       LIR
address:        7, Tverskay str
address:        125009
address:        Moscow
address:        RUSSIAN FEDERATION
phone:          +74862510064
abuse-c:        AR16924-RIPE
mnt-ref:        MNT-SINFORM
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-SINFORM
created:        2012-01-25T14:34:20Z
last-modified:  2021-09-23T15:17:32Z
source:         RIPE # Filtered

person:         Alexander A. Avdeyev
address:        19a Leskova str, 302040 Orel, Russian Federation
phone:          +7 4862 510065
phone:          +7 495 7454839
nic-hdl:        AAA99-RIPE
mnt-by:         MNT-SINFORM
created:        2004-09-02T07:12:34Z
last-modified:  2014-09-05T06:12:14Z
source:         RIPE

person:         Dmitry N. Kosarev
address:        OJSC Svyazinform, 7 Tverskay str, 125009 Moscow  RU
phone:          +7 4862 510007
nic-hdl:        AVA256-RIPE
mnt-by:         MNT-SINFORM
created:        2012-01-30T12:27:24Z
last-modified:  2012-01-30T12:27:24Z
source:         RIPE

% Information related to '77.247.232.0/21AS58002'

route:          77.247.232.0/21
descr:          S-INFORM network
origin:         AS58002
mnt-by:         MNT-SINFORM
created:        2014-12-24T10:24:17Z
last-modified:  2014-12-24T10:24:17Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.112.1 (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