% 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 '176.12.34.0 - 176.12.35.255'

% Abuse contact for '176.12.34.0 - 176.12.35.255' is 'RIPE.Abuse@a1.bg'

inetnum:        176.12.34.0 - 176.12.35.255
netname:        A1-Cl
descr:          A1 Clients
country:        BG
admin-c:        SSS126-RIPE
tech-c:         SSS126-RIPE
status:         ASSIGNED PA
mnt-by:         SPNET-MNT
created:        2015-08-19T06:40:49Z
last-modified:  2020-08-24T08:02:08Z
source:         RIPE

person:         Stoyan Stoyanov
org:            ORG-IL1-RIPE
address:        Bulgaria, Sofia, 1 Kukush street, area Ilinden, building M7 # 1 Kukush street, M7
mnt-by:         AS13124-MNT
phone:          +359 88220
nic-hdl:        SSS126-RIPE
created:        2008-10-29T08:24:20Z
last-modified:  2022-01-11T06:27:12Z
source:         RIPE # Filtered

% Information related to '176.12.34.0/23AS29580'

route:          176.12.34.0/23
origin:         AS29580
descr:          A1BG_RSBG_SFL
mnt-by:         SPNET-MNT
mnt-by:         HOMELAN-MNT
created:        2020-08-24T08:02:54Z
last-modified:  2026-01-08T12:59:21Z
source:         RIPE

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