% 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 '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 'AS31352'

% Abuse contact for 'AS31352' is 'abuse@1und1.net'

aut-num:        AS31352
as-name:        MAINOVA-AS
remarks:        --------------------------------------------------
descr:          Solmsstrasse 38
descr:          D-60486 Frankfurt Germany
descr:          --------------------------------------------------
import:         from AS3320  action pref=100; accept ANY
export:         to AS3320  announce AS31352
import:         from AS8881  action pref=100; accept ANY
export:         to AS8881  announce AS31352
org:            ORG-MA43-RIPE
admin-c:        MNAG1-RIPE
tech-c:         MNAG1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-MAINOVA-AG
mnt-by:         VT-MNT
created:        2004-04-22T12:01:16Z
last-modified:  2017-11-15T09:41:04Z
source:         RIPE
sponsoring-org: ORG-KG4-RIPE

organisation:   ORG-MA43-RIPE
org-name:       Mainova AG
country:        DE
org-type:       OTHER
address:        Mainova AG
address:        Solmsstrasse 38
address:        D-60486 Frankfurt am Main, Germany
address:        Germany
abuse-c:        AR30281-RIPE
admin-c:        MNAG1-RIPE
tech-c:         MNAG1-RIPE
mnt-ref:        MNT-MAINOVA-AG
mnt-ref:        VT-MNT
mnt-by:         MNT-MAINOVA-AG
mnt-by:         VT-MNT
created:        2004-04-22T11:15:03Z
last-modified:  2022-12-01T16:36:25Z
source:         RIPE # Filtered

role:           Mainova AG Network Management
address:        Mainova AG
address:        Solmsstrasse 38
address:        D-60486 Frankfurt am Main
address:        Germany
admin-c:        KH788-RIPE
admin-c:        HH1598-RIPE
tech-c:         KH788-RIPE
tech-c:         HH1598-RIPE
nic-hdl:        MNAG1-RIPE
mnt-by:         MNT-MAINOVA-AG
mnt-by:         VT-MNT
created:        2004-04-22T13:27:25Z
last-modified:  2018-02-13T08:55:32Z
source:         RIPE # Filtered

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

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