% 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 'AS203113 - AS205662'

as-block:       AS203113 - AS205662
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:        2024-09-19T13:43:36Z
last-modified:  2024-09-19T13:43:36Z
source:         RIPE

% Information related to 'AS203384'

% Abuse contact for 'AS203384' is 'pibn@helsana.ch'

aut-num:        AS203384
as-name:        Helsana
org:            ORG-HVA9-RIPE
import:         from AS3303 accept ANY
export:         to AS3303 announce AS203384
import:         from AS6837 accept ANY
export:         to AS6837 announce AS203384
admin-c:        NA4582-RIPE
tech-c:         ME3763-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CH-UNISOURCE-MNT
created:        2016-02-01T13:43:46Z
last-modified:  2020-11-16T17:51:38Z
source:         RIPE
sponsoring-org: ORG-SI1-RIPE

organisation:   ORG-HVA9-RIPE
org-name:       Helsana Versicherungen AG
country:        CH
org-type:       OTHER
address:        CH-8081 Zuerich
abuse-c:        AR18677-RIPE
mnt-ref:        CH-UNISOURCE-MNT
mnt-ref:        AS1836-MNT
mnt-by:         CH-UNISOURCE-MNT
created:        2012-02-24T15:15:06Z
last-modified:  2022-12-01T16:29:16Z
source:         RIPE # Filtered

person:         Marcel Erny
address:        Helsana Versicherungen AG
address:        Postfach
address:        CH-8081 Zuerich
phone:          +41 43 340 1111
mnt-by:         CH-UNISOURCE-MNT
nic-hdl:        ME3763-RIPE
created:        2012-02-10T09:42:18Z
last-modified:  2014-12-04T14:43:46Z
source:         RIPE

person:         Niko Auslaender
address:        Helsana Versicherungen AG
address:        Postfach
address:        CH-8081 Zuerich
address:        Switzerland
phone:          +41 43 340 1111
mnt-by:         CH-UNISOURCE-MNT
nic-hdl:        NA4582-RIPE
created:        2014-11-12T12:17:38Z
last-modified:  2014-12-04T14:44:30Z
source:         RIPE

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