% 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 'AS12557 - AS13223'

as-block:       AS12557 - AS13223
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:        2018-11-22T15:27:24Z
last-modified:  2018-11-22T15:27:24Z
source:         RIPE

% Information related to 'AS12954'

% Abuse contact for 'AS12954' is 'ripe-contact@sia.eu'

aut-num:        AS12954
as-name:        SIA
descr:          Milan, IT
org:            ORG-SS319-RIPE
import:         from AS8220 action pref=10; accept ANY
import:         from AS702 action pref=10; accept ANY
import:         from AS3269 action pref=10; accept ANY
export:         to AS8220 announce AS12954
export:         to AS702 announce AS12954
export:         to AS3269 announce AS12954
export:         to AS32787 announce AS12954
admin-c:        SND26-RIPE
tech-c:         SND26-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         INET-NOC
mnt-by:         AS702-MNT
mnt-by:         AS12954-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2019-03-19T15:28:58Z
source:         RIPE

organisation:   ORG-SS319-RIPE
org-name:       Nexi Payments S.P.A.
country:        IT
org-type:       LIR
address:        Corso Sempione 57
address:        20149
address:        Milano
address:        ITALY
phone:          +390260841
fax-no:         +390260842238
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         AS12954-MNT
mnt-ref:        AS12954-MNT
mnt-by:         RIPE-NCC-HM-MNT
abuse-c:        SND26-RIPE
created:        2013-10-28T10:43:25Z
last-modified:  2022-04-28T12:11:21Z
source:         RIPE # Filtered

role:           SIA Network Department
address:        SIA S.p.A.
address:        via Gonin 36
address:        20147 Milan, IT
abuse-mailbox:  ripe-contact@sia.eu
nic-hdl:        SND26-RIPE
mnt-by:         AS12954-MNT
created:        2013-10-30T16:38:54Z
last-modified:  2013-10-30T16:47:28Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.114 (SHETLAND)

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