% 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 '217.19.128.0 - 217.19.143.255'

% Abuse contact for '217.19.128.0 - 217.19.143.255' is 'abuse@sure.com'

inetnum:        217.19.128.0 - 217.19.143.255
netname:        UK-GUERNSEY-20000921
country:        GG
org:            ORG-CaWG1-RIPE
admin-c:        SCRO1-RIPE
tech-c:         SCRO1-RIPE
status:         ALLOCATED PA
mnt-by:         AS8680-MNT
mnt-by:         RIPE-NCC-HM-MNT
created:        2020-02-04T10:09:11Z
last-modified:  2020-02-04T10:09:11Z
source:         RIPE

organisation:   ORG-CaWG1-RIPE
org-name:       Sure (Guernsey) Limited
country:        GB
org-type:       LIR
address:        Centenary House, La Vrangue, St Peter Port
address:        GY1 2EY
address:        Guernsey,  Channel Islands
address:        GUERNSEY
phone:          +441481700700
fax-no:         +441481722622
admin-c:        SCRO1-RIPE
tech-c:         SCRO1-RIPE
abuse-c:        AR17683-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS8680-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8680-MNT
created:        2004-04-17T12:15:30Z
last-modified:  2020-12-16T13:32:04Z
source:         RIPE # Filtered

role:           Sure CIIOM Role Object
address:        Centenary House La Vrangue St Peter Port, GY1 2EY
nic-hdl:        SCRO1-RIPE
abuse-mailbox:  abuse@sure.com
admin-c:        BM10327-RIPE
admin-c:        ARL33-RIPE
admin-c:        PJW34-RIPE
tech-c:         BM10327-RIPE
tech-c:         ARL33-RIPE
tech-c:         PJW34-RIPE
mnt-by:         AS8680-MNT
mnt-by:         MNT-AS8680
mnt-by:         fk-suresouth-1-mnt
created:        2019-06-07T12:02:00Z
last-modified:  2019-09-13T10:15:47Z
source:         RIPE # Filtered

% Information related to '217.19.128.0/20AS8680'

route:          217.19.128.0/20
origin:         AS8680
mnt-by:         AS8680-MNT
created:        2020-02-05T10:02:27Z
last-modified:  2020-02-05T10:02:27Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.111 (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