% 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 'AS50220 - AS50891'

as-block:       AS50220 - AS50891
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:        2024-03-26T14:48:18Z
last-modified:  2024-03-26T14:48:18Z
source:         RIPE

% Information related to 'AS50835'

% Abuse contact for 'AS50835' is 'abuse@eancenter.com'

aut-num:        AS50835
as-name:        EancenterTelecom
org:            ORG-ETL27-RIPE
import:         from AS9009 accept ANY
import:         from AS3257 accept ANY
export:         to AS9009 announce AS50835
export:         to AS3257 announce AS50835
admin-c:        TA6732-RIPE
tech-c:         TA6732-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         us-eancenter-1-mnt
created:        2010-04-06T13:09:42Z
last-modified:  2022-04-18T09:19:54Z
source:         RIPE

organisation:   ORG-ETL27-RIPE
org-name:       EANCENTER TELECOM LLC
country:        US
org-type:       LIR
address:        2810  N Church St PMB 28888
address:        DE 19802-4447
address:        Wilmington
address:        UNITED STATES
phone:          +1 302 450 4514
admin-c:        TA6732-RIPE
tech-c:         TA6732-RIPE
abuse-c:        AR41139-RIPE
mnt-ref:        us-eancenter-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         us-eancenter-1-mnt
created:        2017-05-24T20:44:55Z
last-modified:  2020-12-16T13:20:11Z
source:         RIPE # Filtered

role:           Telecom-role
address:        2810 N Church St PMB 28888 Wilmington
address:        Delaware 19802-4447
address:        Wilmington
address:        US
nic-hdl:        TA6732-RIPE
mnt-by:         us-eancenter-1-mnt
created:        2019-07-16T16:02:06Z
last-modified:  2020-04-03T10:35:32Z
source:         RIPE # Filtered

% 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