% 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 'AS50893 - AS51355'

as-block:       AS50893 - AS51355
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:        2023-07-20T14:43:26Z
last-modified:  2023-07-20T14:43:26Z
source:         RIPE

% Information related to 'AS50911'

% Abuse contact for 'AS50911' is 'admin@itce.ru'

aut-num:        AS50911
as-name:        AS-ELECTRON
org:            ORG-LA921-RIPE
import:         from AS31133 action pref=100; accept ANY
export:         to AS31133 announce AS-SET-ELTELECOM
import:         from AS8631 action pref=100; accept ANY
export:         to AS8631 announce AS-SET-ELTELECOM
import:         from AS31500 action pref=100; accept ANY
export:         to AS31500 announce AS-SET-ELTELECOM
import:         from AS15169 action pref=100; accept ANY
export:         to AS15169 announce AS-SET-ELTELECOM
admin-c:        EI1192-RIPE
tech-c:         EI1192-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         EL-TELECOM-MNT
created:        2010-04-20T08:17:53Z
last-modified:  2018-09-04T10:50:21Z
source:         RIPE

organisation:   ORG-LA921-RIPE
org-name:       LLC "Electron-Telecom"
country:        RU
org-type:       LIR
address:        Olgino district, Glavnaya st. 22
address:        143989
address:        Balashikha
address:        RUSSIAN FEDERATION
phone:          +7 495 522-47-43
admin-c:        EI1192-RIPE
tech-c:         EI1192-RIPE
abuse-c:        AR34429-RIPE
mnt-ref:        EL-TELECOM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         EL-TELECOM-MNT
mnt-ref:        RIPE-NCC-HM-MNT
created:        2015-11-25T14:30:06Z
last-modified:  2021-02-04T14:49:50Z
source:         RIPE # Filtered

person:         Eugene Ippolitov
address:        143989 Glavnaya 22
address:        Balashikha
address:        RUSSIAN FEDERATION
phone:          +7 495 522-47-43
nic-hdl:        EI1192-RIPE
mnt-by:         EL-TELECOM-MNT
created:        2017-11-29T17:53:34Z
last-modified:  2018-02-01T10:07:32Z
source:         RIPE

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

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