% 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 'AS57975 - AS58367'

as-block:       AS57975 - 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:        2025-04-24T14:15:44Z
last-modified:  2025-04-24T14:15:44Z
source:         RIPE

% Information related to 'AS58265'

% Abuse contact for 'AS58265' is 'mhaut@city-netze.de'

aut-num:        AS58265
as-name:        LEVEL421
org:            ORG-LG58-RIPE
import:         from AS39912 accept ANY
import:         from AS3320 accept ANY
import:         from AS3209 accept ANY
export:         to AS39912 announce AS58265
export:         to AS3320 announce AS58265
export:         to AS3209 announce AS58265
admin-c:        MH14276-RIPE
tech-c:         MH14276-RIPE
tech-c:         MF14927-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         LEVEL421-MNT
created:        2012-06-11T06:37:48Z
last-modified:  2021-11-05T12:41:50Z
source:         RIPE # Filtered

organisation:   ORG-LG58-RIPE
org-name:       city-netze GmbH
country:        DE
org-type:       LIR
address:        Kuefergasse 11
address:        89073
address:        Ulm
address:        GERMANY
phone:          +4973114064700
fax-no:         +4973114064700
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        LEVEL421-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         LEVEL421-MNT
abuse-c:        LA6071-RIPE
created:        2015-01-15T09:33:03Z
last-modified:  2021-06-14T11:50:33Z
source:         RIPE # Filtered

person:         Michael Fritzsche
address:        city-netze GmbH
address:        Kuefergasse 11
address:        89073 Ulm
address:        Germany
phone:          +4973114064700
nic-hdl:        MF14927-RIPE
mnt-by:         LEVEL421-MNT
created:        2015-02-05T10:17:22Z
last-modified:  2025-09-18T08:49:43Z
source:         RIPE # Filtered

person:         Markus Haut
address:        city-netze GmbH
address:        Kuefergasse 11
address:        89073 Ulm
address:        Germany
phone:          +4973114064700
nic-hdl:        MH14276-RIPE
mnt-by:         LEVEL421-MNT
created:        2015-01-19T15:00:05Z
last-modified:  2025-09-18T08:50:10Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.120 (SHETLAND)