% 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 'AS31246 - AS31618'

as-block:       AS31246 - AS31618
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:        2018-11-22T15:27:33Z
last-modified:  2018-11-22T15:27:33Z
source:         RIPE

% Information related to 'AS31349'

% Abuse contact for 'AS31349' is 'abuse@anetliberec.cz'

aut-num:        AS31349
as-name:        a-net
org:            ORG-aLs1-RIPE
import:         from AS5588 accept ANY
export:         to AS5588 announce AS31349
import:         from AS2819 accept ANY
export:         to AS2819 announce AS31349
admin-c:        MB3350-RIPE
tech-c:         JV3991-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-ANETLB
created:        2015-05-18T15:52:42Z
last-modified:  2018-09-04T11:36:03Z
source:         RIPE

organisation:   ORG-aLs1-RIPE
org-name:       a-net Liberec s.r.o.
country:        CZ
org-type:       LIR
address:        Hradebni 654/32
address:        46006
address:        Liberec VI - Rochlice
address:        CZECH REPUBLIC
phone:          +420776636666
abuse-c:        AR14393-RIPE
admin-c:        MB3350-RIPE
tech-c:         JV3991-RIPE
mnt-ref:        MNT-ANETLB
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-ANETLB
created:        2009-12-10T11:28:10Z
last-modified:  2021-08-02T15:33:49Z
source:         RIPE # Filtered

person:         Jindrich Vrba
address:        a-net Liberec
address:        Hradebni 654/32
address:        Liberec VI - Rochlice
address:        46006
address:        Czech Republic
mnt-by:         MNT-ANETLB
phone:          +420734441835
nic-hdl:        JV3991-RIPE
created:        2010-10-11T09:59:58Z
last-modified:  2018-01-03T10:42:38Z
source:         RIPE # Filtered

person:         Marek Broz
mnt-by:         MNT-ANETLB
address:        a-net Liberec
address:        Hradebni 654/32
address:        Liberec VI - Rochlice
address:        46006
address:        Czech Republic
phone:          +420776366663
nic-hdl:        MB3350-RIPE
created:        2010-01-05T15:26:57Z
last-modified:  2018-01-03T10:45:06Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.111 (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