% 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 '46.122.0.0 - 46.123.255.255'

% Abuse contact for '46.122.0.0 - 46.123.255.255' is 'abuse@a1.si'

inetnum:        46.122.0.0 - 46.123.255.255
netname:        SI-A1-20100528
descr:          A1 Slovenija
country:        SI
org:            ORG-Sd2-RIPE
admin-c:        SRA17-RIPE
tech-c:         SRA17-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         A1SI-MNT
mnt-lower:      A1SI-MNT
mnt-domains:    A1SI-MNT
mnt-routes:     A1SI-MNT
created:        2010-05-28T12:24:42Z
last-modified:  2020-08-06T14:06:19Z
source:         RIPE

organisation:   ORG-Sd2-RIPE
org-name:       A1 Slovenija telekomunikacijske storitve,d.d.
country:        SI
org-type:       LIR
address:        Ameri?ka ulica 4
address:        1000
address:        Ljubljana
address:        SLOVENIA
phone:          +386 40 443 999
fax-no:         +386 40 443 999
admin-c:        SRA17-RIPE
admin-c:        SVOD
admin-c:        JERO
admin-c:        NINA1
admin-c:        SASO-RIPE
admin-c:        ZVER
abuse-c:        AR17261-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        A1SI-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         A1SI-MNT
created:        2004-04-17T12:05:43Z
last-modified:  2022-12-15T13:07:36Z
source:         RIPE # Filtered

role:           A1 Slovenija RIPE team
address:        A1 Slovenija d.d.
address:        Smartinska cesta 134b
address:        SI-1000 Ljubljana
address:        Slovenija
fax-no:         +38640443999
abuse-mailbox:  abuse@a1.si
remarks:        -------------------------------------------------------
remarks:        Abuse and spam reports: ........... abuse-at-a1.si
remarks:        Operational issues 24x7: ............
remarks:        Operational issues 24x7: .............
remarks:        Peering requests: ...............
remarks:        -------------------------------------------------------
remarks:        Public peering details:
remarks:        http://www.peeringdb.com/view.php?asn=21283
remarks:        whois -h whois.peeringdb.com AS21283
remarks:        -------------------------------------------------------
admin-c:        ZVER
admin-c:        NINA1
admin-c:        SVOD
admin-c:        SASO-RIPE
admin-c:        JERO
admin-c:        AS46829-RIPE
tech-c:         ZVER
tech-c:         NINA1
tech-c:         SVOD
tech-c:         SASO-RIPE
tech-c:         JERO
tech-c:         AS46829-RIPE
nic-hdl:        SRA17-RIPE
mnt-by:         A1SI-MNT
created:        2005-09-13T08:29:19Z
last-modified:  2022-08-09T08:39:46Z
source:         RIPE # Filtered

% Information related to '46.122.0.0/15AS21283'

route:          46.122.0.0/15
descr:          A1 Slovenija
origin:         AS21283
mnt-by:         A1SI-MNT
created:        2011-01-04T13:12:59Z
last-modified:  2017-05-22T07:48:25Z
source:         RIPE

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