% 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 'AS57148 - AS58367'

as-block:       AS57148 - AS58367
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2023-08-23T15:27:46Z
last-modified:  2023-08-23T15:27:46Z
source:         RIPE

% Information related to 'AS57742'

% Abuse contact for 'AS57742' is 'support@tvtk.su'

aut-num:        AS57742
as-name:        ASTVT
org:            ORG-TVT1-RIPE
import:         from AS48658 action pref=120; accept ANY
import:         from AS20485 action pref=120; accept ANY
import:         from AS198297 action pref=120; accept ANY
import:         from AS28968 action pref=120; accept ANY
export:         to AS48658 announce AS57742
export:         to AS20485 announce AS57742
export:         to AS198297 announce AS57742
export:         to AS28968 announce AS57742
admin-c:        ROMA9-RIPE
tech-c:         ROMA9-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         TVTKRU-MNT
created:        2012-01-27T13:29:33Z
last-modified:  2018-09-04T11:08:52Z
source:         RIPE
sponsoring-org: ORG-Vs35-RIPE

organisation:   ORG-TVT1-RIPE
org-name:       TVT LLC
country:        RU
org-type:       OTHER
address:        Russia, 142904, Kashira, Sadovaya, 24-2
abuse-c:        AR30414-RIPE
mnt-ref:        TVTKRU-MNT
mnt-by:         TVTKRU-MNT
created:        2012-01-17T17:27:56Z
last-modified:  2022-12-01T16:56:38Z
source:         RIPE # Filtered

person:         Vladimir Sevastyanov
address:        142904, Kashira, Sadovaya, 24-2
phone:          +79175159080
nic-hdl:        ROMA9-RIPE
mnt-by:         TVTKRU-MNT
created:        2012-01-17T17:24:30Z
last-modified:  2017-09-28T08:29:43Z
source:         RIPE # Filtered

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