% 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 '91.84.79.0 - 91.84.79.255'

% Abuse contact for '91.84.79.0 - 91.84.79.255' is 'abuse@as8758.net'

inetnum:        91.84.79.0 - 91.84.79.255
netname:        AS8758-STATIC-DSL
descr:          Various Customers
descr:          Zurich, Switzerland
country:        CH
admin-c:        IWY-RIPE
tech-c:         IWY-RIPE
status:         ASSIGNED PA
mnt-by:         AS8758-MNT
created:        2025-04-02T19:16:42Z
last-modified:  2025-04-02T19:16:42Z
source:         RIPE

role:           Interway Communication NOC role account
address:        iway AG
address:        Badenerstrasse 569
address:        CH-8048 Zuerich
address:        Switzerland
phone:          +41 43 500 1111
fax-no:         +41 44 271 3535
admin-c:        MC322-RIPE
admin-c:        NG5609-RIPE
tech-c:         MC322-RIPE
tech-c:         CR3041-RIPE
tech-c:         NG5609-RIPE
nic-hdl:        IWY-RIPE
remarks:        *****************************************
remarks:        spam, abuse complains: abuse@as8758.net
remarks:        peering requests: peering@as8758.net
remarks:        all other network issues: noc@as8758.net
remarks:        *****************************************
abuse-mailbox:  abuse@as8758.net
mnt-by:         AS8758-MNT
created:        2007-08-20T14:50:02Z
last-modified:  2024-09-16T08:47:20Z
source:         RIPE # Filtered

% Information related to '91.84.64.0/19AS8758'

route:          91.84.64.0/19
origin:         AS8758
mnt-by:         AS8758-MNT
created:        2023-12-18T18:09:43Z
last-modified:  2023-12-18T18:09:43Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.117 (ABERDEEN)