% 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 '85.172.88.0 - 85.172.95.255'

% Abuse contact for '85.172.88.0 - 85.172.95.255' is 'abuse@rt.ru'

inetnum:        85.172.88.0 - 85.172.95.255
netname:        Macroregional_South
descr:          Rostelecom Macroregional Branch South
descr:          ELECTROSVYAZ, Volgograd, Russia
country:        RU
admin-c:        PRTT1-RIPE
tech-c:         RTNC-RIPE
status:         ASSIGNED PA
mnt-by:         ROSTELECOM-MNT
created:        2006-12-18T12:47:28Z
last-modified:  2025-03-06T07:32:42Z
source:         RIPE

% Information related to '85.172.88.0/21AS12389'

route:          85.172.88.0/21
descr:          Volgograd Electro Svyaz to Rostelecom
descr:          Volgograd, Russia
origin:         AS12389
mnt-by:         STC-MNT
created:        2018-01-18T06:22:47Z
last-modified:  2018-01-18T06:22:47Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (DEXTER)