% 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 'AS57148 - AS58367'

as-block:       AS57148 - AS58367
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:        2023-08-23T15:27:46Z
last-modified:  2023-08-23T15:27:46Z
source:         RIPE

% Information related to 'AS57558'

% Abuse contact for 'AS57558' is 'abuse@metissrl.it'

aut-num:        AS57558
as-name:        METIS-AS
org:            ORG-MS182-RIPE
import:         from AS3269 accept ANY
import:         from AS12874 accept ANY
import:         from AS174 accept ANY
import:         from AS207594 accept ANY
export:         to AS3269 announce AS57558
export:         to AS12874 announce AS57558
export:         to AS174 announce AS57558
export:         to AS207594 announce AS57558
admin-c:        DC10050-RIPE
tech-c:         MTS112-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-METIS
created:        2011-11-28T13:10:58Z
last-modified:  2023-05-25T09:45:42Z
source:         RIPE # Filtered

organisation:   ORG-MS182-RIPE
org-name:       METIS S.R.L.
country:        IT
org-type:       LIR
address:        Via I Maggio, 111
address:        85055
address:        PICERNO
address:        ITALY
phone:          +390971995501
fax-no:         +390971995403
admin-c:        DC10050-RIPE
admin-c:        SM31654-RIPE
mnt-ref:        MNT-METIS
mnt-ref:        RIPE-NCC-HM-MNT
tech-c:         MTS112-RIPE
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-METIS
abuse-c:        MTS118-RIPE
created:        2012-12-27T11:35:43Z
last-modified:  2020-12-16T12:54:51Z
source:         RIPE # Filtered

role:           METIS Network Services Department
org:            ORG-MS182-RIPE
address:        c/o Metis Srl
admin-c:        DC10050-RIPE
tech-c:         DC10050-RIPE
tech-c:         SM31654-RIPE
nic-hdl:        MTS112-RIPE
mnt-by:         MNT-METIS
created:        2013-01-26T09:08:37Z
last-modified:  2017-02-21T15:55:16Z
source:         RIPE # Filtered

person:         DONATO CONTE
address:        VIA I MAGGIO 111
address:        PICERNO
phone:          +390971995403
nic-hdl:        DC10050-RIPE
mnt-by:         MNT-METIS
created:        2012-12-27T18:46:35Z
last-modified:  2013-01-24T14:58:48Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.112 (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