% 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 '62.249.146.0 - 62.249.146.255'

% Abuse contact for '62.249.146.0 - 62.249.146.255' is 'abuse@ttk.ru'

inetnum:        62.249.146.0 - 62.249.146.255
netname:        TTKDV-RTL-DYNAMIC
descr:          L2TP customers (dynamic ip address pool)
remarks:        INFRA-AW
country:        RU
admin-c:        DR4018-RIPE
tech-c:         TNa15-RIPE
status:         ASSIGNED PA
mnt-by:         Transtelecom-DV-MNT
created:        2011-11-07T01:48:49Z
last-modified:  2011-11-07T01:48:49Z
source:         RIPE

role:           TTKDV Net administrators
address:        CJSC Transtelecom-DV
address:        23 Istomina str.
address:        680000, Khabarovsk, Russia
abuse-mailbox:  abuse@dv.ttk.ru
admin-c:        RSK33-RIPE
tech-c:         AAT74-RIPE
nic-hdl:        TNa15-RIPE
mnt-by:         Transtelecom-DV-MNT
created:        2009-05-04T08:35:27Z
last-modified:  2013-03-27T05:56:23Z
source:         RIPE # Filtered

person:         Pavel Yakushev
address:        JSC TransTeleCom
address:        Vostochnoe shosse st., 41
address:        680021, Khabarovsk, Russia
phone:          +7 4212 911000 ext. 1602
nic-hdl:        DR4018-RIPE
mnt-by:         Transtelecom-DV-MNT
created:        2009-05-04T08:09:02Z
last-modified:  2017-10-30T22:05:30Z
source:         RIPE # Filtered

% Information related to '62.249.146.0/24AS15774'

route:          62.249.146.0/24
descr:          CJSC "Transtelecom-DV"
origin:         AS15774
mnt-by:         MNT-TTK
created:        2018-03-01T11:46:36Z
last-modified:  2018-03-01T11:46:36Z
source:         RIPE

% Information related to '62.249.146.0/24AS49301'

route:          62.249.146.0/24
descr:          CJSC "Transtelecom-DV"
origin:         AS49301
member-of:      rs-ttkdv
mnt-by:         Transtelecom-DV-MNT
created:        2011-11-07T07:41:52Z
last-modified:  2011-11-07T07:41:52Z
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