% 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 '89.146.128.0 - 89.146.159.255'

% Abuse contact for '89.146.128.0 - 89.146.159.255' is 'abuse@bhtelecom.ba'

inetnum:        89.146.128.0 - 89.146.159.255
netname:        BHTELECOM-PPPoE-DYNAMIC
descr:          BH Telecom, PPPoE dynamic pool
descr:          *********************************
descr:          Only: abuse@bih.net.ba
descr:          *********************************
country:        BA
admin-c:        BTC26-RIPE
tech-c:         BTC26-RIPE
status:         ASSIGNED PA
mnt-by:         BIHNET-DNS
mnt-lower:      BIHNET-DNS
mnt-routes:     BIHNET-DNS
created:        2006-03-14T14:56:02Z
last-modified:  2023-04-19T11:43:03Z
source:         RIPE

role:           BH TELECOM CONTACTS
address:        Zmaja od Bosne 88
admin-c:        VH1908-RIPE
admin-c:        VC930-RIPE
tech-c:         VC930-RIPE
tech-c:         VH1908-RIPE
tech-c:         HD3827-RIPE
tech-c:         FS12219-RIPE
nic-hdl:        BTC26-RIPE
mnt-by:         BIHNET-DNS
created:        2021-02-01T12:58:30Z
last-modified:  2021-02-12T15:07:47Z
source:         RIPE # Filtered

% Information related to '89.146.144.0/20AS9146'

route:          89.146.144.0/20
descr:          BiHNet subnet #2/10
origin:         AS9146
mnt-by:         BIHNET-DNS
created:        2010-04-19T12:23:52Z
last-modified:  2010-04-19T12:23:52Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.108 (BUSA)

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