% 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 '213.189.0.0 - 213.189.31.255'

% Abuse contact for '213.189.0.0 - 213.189.31.255' is 'abuse@as8315.net'

inetnum:        213.189.0.0 - 213.189.31.255
netname:        NL-ACCENTURE-20000105
country:        NL
org:            ORG-ABV1-RIPE
admin-c:        ACN1337-RIPE
tech-c:         ACN1337-RIPE
abuse-c:        ABAR3-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ACNBB-MNT
created:        2002-09-25T10:19:08Z
last-modified:  2026-01-08T11:53:10Z
source:         RIPE

organisation:   ORG-ABV1-RIPE
org-name:       Accenture B. V.
country:        NL
org-type:       LIR
address:        201 East 4th Street, Suite1600
address:        45202
address:        Cincinnati, OH
address:        UNITED STATES
phone:          +15134551287
fax-no:         +13126527255
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        ACNBB-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ACNBB-MNT
admin-c:        KP3355-RIPE
admin-c:        SJW12-RIPE
abuse-c:        AA26757-RIPE
created:        2012-09-28T14:18:53Z
last-modified:  2026-01-08T11:53:18Z
source:         RIPE # Filtered

role:           Accenture Backbone Role
address:        Gustav Mahlerplein 90
address:        1082MA Amsterdam
abuse-mailbox:  abuse@cie.ac
tech-c:         PL13771-RIPE
tech-c:         SK3127-RIPE
tech-c:         OvdL5-RIPE
nic-hdl:        ACN1337-RIPE
created:        2023-04-19T14:25:58Z
last-modified:  2026-01-06T08:17:00Z
source:         RIPE # Filtered
mnt-by:         ACNBB-MNT

% Information related to '213.189.16.0/20AS25525'

route:          213.189.16.0/20
descr:          RSNNET-2004
origin:         AS25525
mnt-lower:      MNT-REASONNET
mnt-routes:     MNT-REASONNET
mnt-routes:     PCEXTREME-MNT {213.189.23.0/24}
mnt-routes:     PCEXTREME-MNT {213.189.27.0/24}
mnt-routes:     PCEXTREME-MNT {213.189.29.0/24}
mnt-routes:     MNT-WEBAIRAMS {213.189.25.0/24}
mnt-routes:     MNT-WEBAIRAMS {213.189.26.0/24}
mnt-by:         MNT-REASONNET
created:        2004-02-27T17:30:38Z
last-modified:  2015-04-24T09:06:32Z
source:         RIPE

% Information related to '213.189.16.0/20AS8315'

route:          213.189.16.0/20
origin:         AS8315
created:        2022-03-10T12:02:57Z
last-modified:  2023-04-21T10:06:01Z
source:         RIPE
mnt-by:         ACNBB-MNT

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