% 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 'AS1101 - AS1200'

as-block:       AS1101 - AS1200
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:        2018-11-22T15:27:09Z
last-modified:  2018-11-22T15:27:09Z
source:         RIPE

% Information related to 'AS1146'

% Abuse contact for 'AS1146' is 'cert@surfcert.nl'

aut-num:        AS1146
as-name:        OS3-AS
descr:          OS3
admin-c:        CPJK
tech-c:         OS3
status:         LEGACY
mnt-by:         SN-LIR-MNT
created:        2002-08-21T16:06:44Z
last-modified:  2017-06-12T14:47:03Z
source:         RIPE
mnt-by:         RIPE-NCC-LEGACY-MNT
org:            ORG-Sb3-RIPE

organisation:   ORG-Sb3-RIPE
org-name:       SURF B.V.
country:        NL
org-type:       LIR
address:        P.O. Box 19035
address:        3501 DA
address:        Utrecht
address:        NETHERLANDS
phone:          +31887873000
admin-c:        HT3384-RIPE
admin-c:        MK512-RIPE
admin-c:        SNS1-RIPE
admin-c:        WB311-RIPE
admin-c:        NO17-RIPE
admin-c:        RS957-RIPE
admin-c:        JO5863-RIPE
admin-c:        MM57501-RIPE
abuse-c:        SNS1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        SN-LIR-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SN-LIR-MNT
created:        2004-04-17T11:43:29Z
last-modified:  2023-02-21T13:35:38Z
source:         RIPE # Filtered

role:           OS3 Master Education SNE
address:        PO Box 94323, 1090 GH, Amsterdam, The Netherlands
abuse-mailbox:  abuse@os3.nl
nic-hdl:        OS3
mnt-by:         CPJK_MNT
mnt-by:         OS3_MNT
created:        2016-07-21T13:27:26Z
last-modified:  2016-07-21T14:18:51Z
source:         RIPE # Filtered
org:            ORG-SNE4-RIPE

person:         Karst Koymans
org:            ORG-SNE4-RIPE
address:        Science Park 904, 1098 XH, Amsterdam, The Netherlands
phone:          +31205258434
nic-hdl:        CPJK
mnt-by:         CPJK_MNT
created:        2014-04-27T19:23:03Z
last-modified:  2016-07-21T13:46:23Z
source:         RIPE # Filtered

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

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