% 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 '194.54.12.0 - 194.54.15.255'

% Abuse contact for '194.54.12.0 - 194.54.15.255' is 'abuse@sberbank.ru'

inetnum:        194.54.12.0 - 194.54.15.255
netname:        PVBSBRF-NET
country:        RU
org:            ORG-SORP1-RIPE
admin-c:        AB35587-RIPE
admin-c:        SORN1-RIPE
tech-c:         SORN1-RIPE
tech-c:         AB35587-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         PVBSBRF-MNT-RIPE
mnt-by:         SBRF-mnt
mnt-routes:     PVBSBRF-MNT-RIPE
mnt-domains:    PVBSBRF-MNT-RIPE
mnt-domains:    SBRF-mnt
mnt-routes:     SBRF-mnt
created:        2007-12-28T10:02:54Z
last-modified:  2023-10-10T08:42:42Z
source:         RIPE # Filtered

organisation:   ORG-SORP1-RIPE
org-name:       Sberbank of Russia PJSC
country:        RU
org-type:       LIR
address:        2nd Yuzhnoportovy PR-d, d. 12A building 13
address:        115432
address:        Moscow
address:        RUSSIAN FEDERATION
phone:          +74956655600
admin-c:        SBRF1-RIPE
tech-c:         SORN1-RIPE
abuse-c:        AR36755-RIPE
mnt-ref:        SBRF-mnt
mnt-ref:        ROSNIIROS-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SBRF-mnt
created:        2016-06-22T12:59:39Z
last-modified:  2022-09-13T11:54:49Z
source:         RIPE # Filtered

role:           Sberbank of Russia NOC
address:        1154322, Russia, Moscow 2-nd Yuzhnoportovy pr. 12Ak1c1
nic-hdl:        SORN1-RIPE
mnt-by:         SBRF-mnt
created:        2016-06-24T12:28:16Z
last-modified:  2023-06-21T15:47:48Z
source:         RIPE # Filtered
org:            ORG-SORP1-RIPE
tech-c:         MS23540-RIPE
tech-c:         SP21043-RIPE
admin-c:        MS23540-RIPE

person:         Andrew Boitsov
address:        ayboytsov@sberbank.ru
phone:          +7(917) 149-99-69
nic-hdl:        AB35587-RIPE
mnt-by:         PVBSBRF-MNT-RIPE
mnt-by:         TETRA-MNT
created:        2017-01-26T14:54:23Z
last-modified:  2021-11-10T09:00:35Z
source:         RIPE # Filtered

% Information related to '194.54.12.0/24AS44408'

route:          194.54.12.0/24
descr:          Sber-Samara
origin:         AS44408
mnt-lower:      PVBSBRF-MNT-RIPE
mnt-routes:     PVBSBRF-MNT-RIPE
mnt-lower:      SBRF-mnt
mnt-routes:     SBRF-mnt
mnt-by:         PVBSBRF-MNT-RIPE
mnt-by:         SBRF-mnt
created:        2012-12-19T11:48:47Z
last-modified:  2021-11-12T09:26:58Z
source:         RIPE

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

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