% 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 '89.151.160.0 - 89.151.191.255'

% Abuse contact for '89.151.160.0 - 89.151.191.255' is 'abuse@rt.ru'

inetnum:        89.151.160.0 - 89.151.191.255
netname:        CHTTSRU
descr:          ADSL users @ Chuvash Republic
country:        RU
admin-c:        APJ-RIPE
tech-c:         APJ-RIPE
status:         ASSIGNED PA
mnt-by:         MNT-JJM
mnt-routes:     AS8342-MNT
created:        2007-06-21T13:49:35Z
last-modified:  2013-02-14T18:36:24Z
source:         RIPE

person:         Andrey Maneev
address:        Russia , Cheboksary ,Lenina2
phone:          +8(8352)662897
nic-hdl:        APJ-RIPE
mnt-by:         MNT-JJM
created:        2012-11-23T08:01:30Z
last-modified:  2012-11-23T08:06:13Z
source:         RIPE

% Information related to '89.151.160.0/19AS43468'

route:          89.151.160.0/19
descr:          Route to VolgaTelecom Cheboxary
mnt-routes:     ROSTELECOM-MNT
origin:         AS43468
mnt-by:         AS43468-MNT
created:        2009-09-30T10:05:02Z
last-modified:  2018-10-30T05:31:35Z
source:         RIPE

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