% 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 'AS42961 - AS43073'

as-block:       AS42961 - AS43073
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2023-12-11T15:09:58Z
last-modified:  2023-12-11T15:09:58Z
source:         RIPE

% Information related to 'AS43061'

% Abuse contact for 'AS43061' is 'lir@stelkom.si'

aut-num:        AS43061
as-name:        SI-STELKOM
org:            ORG-Sd13-RIPE
remarks:        Slovenia Internet Exchange - SIX
import:         from AS51988 action pref=100; accept ANY
export:         to AS51988 announce AS-STELKOM-CUST
remarks:        Telemach-Triera-AS3212-tujina
import:         from AS3212 action pref=100; accept ANY
export:         to AS3212 announce AS-STELKOM-CUST
remarks:        Vienna Internet Exchange - VIX
import:         from AS1212 action pref=100; accept ANY
export:         to AS1212 announce AS-STELKOM-CUST
remarks:        Croatia Internet Exchange - CIX
import:         from AS51702 action pref=100; accept ANY
export:         to AS51702 announce AS-STELKOM-CUST
remarks:        Level3-AS3356-tujina
export:         to AS3356 announce AS-STELKOM-CUST
import:         from AS3356 action pref=100; accept ANY
remarks:        THT-AS5391-tujina
export:         to AS5391 announce AS-STELKOM-CUST
import:         from AS5391 action pref=100; accept ANY
remarks:        Cogent-AS174-tujina
export:         to AS174 announce AS-STELKOM-CUST
import:         from AS174 action pref=100; accept ANY
remarks:        Milano Internet Exchange - MIX
export:         to AS16004 announce AS-STELKOM-CUST
import:         from AS16004 action pref=100; accept ANY
remarks:        Telekom Italia-AS6762-tujina
export:         to AS6762 announce AS-STELKOM-CUST
import:         from AS6762 action pref=100; accept ANY
remarks:        TATA-AS6453-tujina
export:         to AS6453 announce AS-STELKOM-CUST
import:         from AS6453 action pref=100; accept ANY
admin-c:        MS2192-RIPE
admin-c:        GB9744-RIPE
admin-c:        IK586-RIPE
tech-c:         GB9744-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
tech-c:         MS2192-RIPE
tech-c:         IK586-RIPE
mnt-by:         STELKOM-MNT
created:        2007-05-31T13:24:59Z
last-modified:  2018-09-04T10:24:34Z
source:         RIPE

organisation:   ORG-Sd13-RIPE
org-name:       Stelkom d.o.o.
country:        SI
org-type:       LIR
address:        Spruha 19
address:        1236
address:        Trzin
address:        SLOVENIA
phone:          +38616202200
fax-no:         +38616202201
abuse-c:        AR17264-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        STELKOM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         STELKOM-MNT
admin-c:        GB9744-RIPE
admin-c:        BS12940-RIPE
created:        2007-05-22T11:00:45Z
last-modified:  2024-02-26T08:25:51Z
source:         RIPE # Filtered

person:         Gasper Burjek
address:        Stelkom d.o.o. Spruha 19 1236 Trzin Slovenia
phone:          +38616202249
nic-hdl:        GB9744-RIPE
mnt-by:         Stelkom-mnt
created:        2009-02-24T08:55:49Z
last-modified:  2017-03-20T11:17:20Z
source:         RIPE # Filtered

person:         Igor Kadunc
address:        Spruha 19
                Trzin-SI
phone:          +386 1 620 2247
nic-hdl:        IK586-RIPE
mnt-by:         STELKOM-MNT
created:        2009-03-31T11:38:13Z
last-modified:  2011-03-23T11:35:28Z
source:         RIPE

person:         Miha Skoberne
address:        Stelkom d.o.o.
address:        Spruha 19
address:        1236 Trzin
address:        Slovenia
phone:          +38616202243
nic-hdl:        MS2192-RIPE
mnt-by:         Stelkom-mnt
created:        2007-05-21T12:31:33Z
last-modified:  2011-04-06T08:23:18Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.113.2 (DEXTER)

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