% 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 '185.46.212.0 - 185.46.212.255'

% Abuse contact for '185.46.212.0 - 185.46.212.255' is 'poc-abuse@zscaler.com'

inetnum:        185.46.212.0 - 185.46.212.255
netname:        AMS2-ZSCALER
descr:          Zscaler Amsterdam AMS2
geofeed:        https://config.zscaler.com/downloads/geofeed.csv
country:        NL
admin-c:        ZSCA-RIPE
tech-c:         ZSCA-RIPE
status:         ASSIGNED PA
mnt-by:         ZSCALER-RIPE-MNT
mnt-lower:      ZSCALER-RIPE-MNT
mnt-routes:     ZSCALER-RIPE-MNT
created:        2014-11-06T21:59:52Z
last-modified:  2023-03-15T00:14:24Z
source:         RIPE

role:           Zscaler Operations
address:        Zscaler, Inc.
address:        110 Rose Orchard Way
address:        San Jose, CA 95134
address:        UNITED STATES
phone:          +1-408-701-0534
admin-c:        BF2769-RIPE
admin-c:        CG8479-RIPE
admin-c:        GI2435-RIPE
tech-c:         BF2769-RIPE
tech-c:         CG8479-RIPE
tech-c:         GI2435-RIPE
nic-hdl:        ZSCA-RIPE
abuse-mailbox:  poc-abuse@zscaler.com
mnt-by:         ZSCALER-RIPE-MNT
created:        2015-01-17T01:13:59Z
last-modified:  2016-09-12T23:55:56Z
source:         RIPE # Filtered

% Information related to '185.46.212.0/24AS62044'

route:          185.46.212.0/24
descr:          Zscaler AMS2
origin:         AS62044
mnt-by:         ZSCALER-RIPE-MNT
created:        2015-02-03T21:57:19Z
last-modified:  2015-02-03T21:57:19Z
source:         RIPE

% 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