% 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 '5.77.128.0 - 5.77.223.255'

% Abuse contact for '5.77.128.0 - 5.77.223.255' is 'abuse@ucom.am'

inetnum:        5.77.128.0 - 5.77.223.255
netname:        AM-UCOM
descr:          Dynamic Pool for 3G Internet subscribers
country:        AM
admin-c:        UCOM101-RIPE
tech-c:         UCOM101-RIPE
status:         ASSIGNED PA
mnt-by:         MNT-UCOM
created:        2012-06-25T08:37:50Z
last-modified:  2016-07-26T13:37:13Z
source:         RIPE

role:           Ucom Network Role
address:        Sayat-Nova 40/1, 0025 Yerevan, Armenia
phone:          +37411 444 444
fax-no:         +37411 400 401
nic-hdl:        UCOM101-RIPE
mnt-by:         MNT-UCOM
created:        2013-08-21T08:12:00Z
last-modified:  2020-06-08T23:15:23Z
source:         RIPE # Filtered
admin-c:        URA10-RIPE
tech-c:         URA10-RIPE

% Information related to '5.77.192.0/20as44395'

route:          5.77.192.0/20
descr:          fix cgnat pool
origin:         as44395
mnt-by:         MNT-UCOM
mnt-by:         MNT-UCOMRIPEADMIN
created:        2024-05-27T11:20:54Z
last-modified:  2024-05-27T11:20:54Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.120 (SHETLAND)