% 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 '213.135.96.0 - 213.135.105.147'

% Abuse contact for '213.135.96.0 - 213.135.105.147' is 'abuse@rt.ru'

inetnum:        213.135.96.0 - 213.135.105.147
netname:        ESOO-NET
descr:          Orenburg branch office of OJSC "VolgaTelecom"
country:        RU
org:            ORG-OObo1-RIPE
admin-c:        AO704-RIPE
tech-c:         SAS51-RIPE
status:         ASSIGNED PA
mnt-by:         ESOO-MNT
created:        2007-05-16T08:24:56Z
last-modified:  2007-05-16T08:24:56Z
source:         RIPE # Filtered

organisation:   ORG-OObo1-RIPE
org-name:       OJSC "VolgaTelecom"
org-type:       OTHER
address:        OJSC "VolgaTelecom" Orenburg branch office Sergey A. Nikonov Volodarskogo street, 11 460000 Orenburg RUSSIAN FEDERATION
phone:          +7 3532 774805
fax-no:         +7 3532560017
admin-c:        VT-RU
admin-c:        LY10-RIPE
admin-c:        NL799-RIPE
admin-c:        SAN11-RIPE
admin-c:        AO704-RIPE
admin-c:        SAS51-RIPE
mnt-ref:        ESOO-MNT
mnt-by:         ESOO-MNT
created:        2004-04-17T11:52:22Z
last-modified:  2020-08-12T10:31:17Z
source:         RIPE # Filtered

person:         Alexey Orlov
address:        "VolgaTelekom", Tereshkovoi str. 10, 460000, Orenburg
phone:          +7 831 4375173
fax-no:         +7 3532 569843
nic-hdl:        AO704-RIPE
mnt-by:         ESOO-MNT
created:        2004-02-11T10:31:08Z
last-modified:  2015-06-08T13:38:56Z
source:         RIPE # Filtered

person:         Sergey A Stepanov
address:        10, Tereshkovoi st.,
address:        Orenburg Russia 460000
phone:          +7 3532 574419
fax-no:         +7 3532 560063
nic-hdl:        SAS51-RIPE
mnt-by:         ESOO-MNT
created:        2002-11-29T15:20:25Z
last-modified:  2002-11-29T15:20:25Z
source:         RIPE # Filtered

% Information related to '213.135.96.0/22AS25008'

route:          213.135.96.0/22
descr:          Orenburg branch office of VolgaTelecom company
origin:         AS25008
mnt-by:         ESOO-MNT
created:        2007-04-04T07:00:26Z
last-modified:  2007-04-04T07:00:26Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.112 (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