% 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 '31.180.192.0 - 31.180.255.255'

% Abuse contact for '31.180.192.0 - 31.180.255.255' is 'abuse@rt.ru'

inetnum:        31.180.192.0 - 31.180.255.255
netname:        Macroregional_South
descr:          OJSC Rostelecom Macroregional Branch South
descr:          Stavropol, Russia
country:        RU
admin-c:        AI212-RIPE
tech-c:         SG2478-RIPE
status:         ASSIGNED PA
mnt-by:         STC-MNT
mnt-by:         ROSTELECOM-MNT
created:        2011-11-03T09:40:14Z
last-modified:  2015-07-27T09:55:58Z
source:         RIPE # Filtered

person:         Alexander Ivanov
address:        290, Myra st., 355000, Stavropol, Russia
phone:          +7 8652 249595
fax-no:         +7 8652 243432
nic-hdl:        AI212-RIPE
mnt-by:         STATEL-RIPE-MNT
created:        2009-06-04T05:40:19Z
last-modified:  2016-05-11T14:03:08Z
source:         RIPE # Filtered

person:         Serge Guznov
address:        290, Myra st.
address:        355000, Stavropol, Russia
phone:          +7 8652 262645
nic-hdl:        SG2478-RIPE
mnt-by:         STATEL-RIPE-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2016-05-11T14:17:27Z
source:         RIPE # Filtered

% Information related to '31.180.224.0/19AS12389'

route:          31.180.224.0/19
descr:          OJSC Rostelecom Macroregional Branch South
origin:         AS12389
mnt-by:         STC-MNT
mnt-by:         ROSTELECOM-MNT
created:        2015-08-05T09:29:36Z
last-modified:  2015-08-05T09:29:36Z
source:         RIPE

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

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