% 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 '5.128.24.0 - 5.128.31.255'

% Abuse contact for '5.128.24.0 - 5.128.31.255' is 'noc@novotelecom.ru'

inetnum:        5.128.24.0 - 5.128.31.255
netname:        RU-NTK-20120629
descr:          subnet 5.128.24-31 ethernet pool
country:        RU
admin-c:        CYBS-RIPE
tech-c:         SHAN-RIPE
status:         ASSIGNED PA
mnt-by:         RU-NTK-MNT
remarks:        INFRA-AW
geofeed:        https://geofeed.novotelecom.ru/geofeed.csv
created:        2012-07-02T04:26:32Z
last-modified:  2023-05-11T05:45:37Z
source:         RIPE

person:         Mikhail Lomov
address:        Novotelecom ltd.
address:        Deputatskaya, 48
address:        630099 Novosibirsk Russia
phone:          +7 383 2090000
nic-hdl:        CYBS-RIPE
created:        2009-12-29T09:49:38Z
last-modified:  2020-06-04T09:32:00Z
source:         RIPE
mnt-by:         RU-NTK-MNT

person:         Andrei A. Shulzhenko
address:        Novotelecom Ltd.
address:        Deputatskaya, 48
address:        630099 Novosibirsk Russia
phone:          +7 383 2090000
nic-hdl:        SHAN-RIPE
mnt-by:         RU-NTK-MNT
created:        2009-03-26T08:56:18Z
last-modified:  2015-10-02T05:25:45Z
source:         RIPE # Filtered

% Information related to '5.128.0.0/16AS31200'

route:          5.128.0.0/16
descr:          Novotelecom Ltd.
origin:         AS31200
mnt-by:         RU-NTK-MNT
created:        2012-07-02T04:33:17Z
last-modified:  2012-07-02T04:33:17Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.117 (ABERDEEN)