% 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 '176.210.0.0 - 176.210.127.255'

% Abuse contact for '176.210.0.0 - 176.210.127.255' is 'abuse@rt.ru'

inetnum:        176.210.0.0 - 176.210.127.255
netname:        WEBSTREAM
descr:          JSC Rostelecom regional branch "Siberia"
remarks:        Omsk broadband service
country:        RU
remarks:
remarks:        NCC # 2011081859
remarks:        INFRA AW
remarks:
admin-c:        VIK3-RIPE
admin-c:        NSOE11-RIPE
tech-c:         VAZ14-RIPE
tech-c:         NSOE22-RIPE
mnt-by:         NSOELSV-NCC
mnt-by:         ROSTELECOM-MNT
mnt-lower:      NSOELSV-NCC
mnt-routes:     NSOELSV-NCC
mnt-domains:    NSOELSV-NCC
mnt-domains:    ROSTELECOM-MNT
status:         ASSIGNED PA
remarks:
remarks:        Direct reference for the general info on spam
remarks:        In unsoluble cases for the general info on spam,
remarks:        abusing & hacking complaints email adm@omskelecom.ru
remarks:
created:        2011-08-22T07:47:51Z
last-modified:  2018-06-27T06:25:32Z
source:         RIPE # Filtered

role:           NSOELSVZ admin-c role
address:        JSC "Sibirtelecom"
address:        18, Ordjenikidze str.,
address:        630099,  Novosibirsk, Russia
phone:          +7 383 2 270669
fax-no:         +7 383 2 270017
admin-c:        YOL1-RIPE
admin-c:        VIK15-RIPE
tech-c:         YOL1-RIPE
tech-c:         VIK15-RIPE
nic-hdl:        NSOE11-RIPE
mnt-by:         NSOELSV-NCC
created:        2005-03-29T04:58:27Z
last-modified:  2008-09-08T05:37:10Z
source:         RIPE # Filtered

role:           NSOELSVZ tech-c role
address:        JSC "Sibirtelecom"
address:        18, Ordjenikidze str.,
address:        630099,  Novosibirsk, Russia
phone:          +7 383 2 270669
fax-no:         +7 383 2 270017
admin-c:        YOL1-RIPE
admin-c:        VIK15-RIPE
tech-c:         YOL1-RIPE
tech-c:         VIK15-RIPE
nic-hdl:        NSOE22-RIPE
mnt-by:         NSOELSV-NCC
created:        2005-03-29T04:55:41Z
last-modified:  2008-09-08T05:37:11Z
source:         RIPE # Filtered

person:         Vitaly A. Zinovjev
address:        Omsk region Electric Communications Joint Stock Comp.
address:        3, Gertsen st.
address:        Omsk, 644099, Russia
phone:          +7 3812 220107
fax-no:         +7 3812 238473
nic-hdl:        VAZ14-RIPE
mnt-by:         OEC-MNT
created:        2002-12-04T04:19:57Z
last-modified:  2004-07-01T07:26:58Z
source:         RIPE # Filtered

person:         Vladimir I. Khlystov
address:        Omsk region Electric Communications Joint Stock Comp.
address:        3, Gertsen st.
address:        Omsk, 644099
address:        Russia
phone:          +7 3812 241219
fax-no:         +7 3812 238473
nic-hdl:        VIK3-RIPE
mnt-by:         OEC-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2002-12-04T04:25:33Z
source:         RIPE # Filtered

% Information related to '176.210.0.0/17AS12389'

route:          176.210.0.0/17
descr:          Rostelecom networks
origin:         AS12389
mnt-by:         ROSTELECOM-MNT
created:        2018-10-31T10:15:17Z
last-modified:  2018-10-31T10:15:17Z
source:         RIPE # Filtered

% 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