% 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 '87.254.97.72 - 87.254.97.79'

% Abuse contact for '87.254.97.72 - 87.254.97.79' is 'technical@telkea.com'

inetnum:        87.254.97.72 - 87.254.97.79
netname:        LU-CASINO2000
descr:          TELKEA TELECOM
country:        LU
admin-c:        CD5178-RIPE
tech-c:         JM10122-RIPE
status:         ASSIGNED PA
mnt-by:         NETLINE-NOC-MNT
created:        2012-05-24T07:57:48Z
last-modified:  2022-07-07T07:51:34Z
source:         RIPE # Filtered

person:         Cedric Danichert
address:        TELKEA TELECOM SA
address:        1 rue de bitbourg
address:        L-1273 Luxembourg
phone:          +352 436565-660
nic-hdl:        CD5178-RIPE
mnt-by:         NETLINE-NOC-MNT
created:        2012-05-24T06:38:30Z
last-modified:  2019-07-01T07:52:07Z
source:         RIPE

person:         Joel Moulin
address:        TELKEA TELECOM SA
address:        1 rue de bitbourg
address:        L-1273 Luxembourg
phone:          +352 436565-660
nic-hdl:        JM10122-RIPE
mnt-by:         NETLINE-NOC-MNT
created:        2012-05-24T06:40:30Z
last-modified:  2019-07-01T07:51:39Z
source:         RIPE

% Information related to '87.254.96.0/19AS34683'

route:          87.254.96.0/19
descr:          Netline S.A. Internet Service Provider
descr:          Luxembourg
descr:          Internet IP Space
remarks:        Send SPAM and ABUSE issues to:
remarks:        noc@as34683.net
remarks:        All ABUSE reports MUST include:
remarks:        * src IP
remarks:        * dest IP (your IP)
remarks:        * dest port
remarks:        * Accurate date/timestamp and timezone of activity
remarks:        * Intensity/frequency (short log extracts)
remarks:        * Your contact details (phone and email)
remarks:        Without these we will be unable to identify the correct owner of the IP address at that point in time
origin:         AS34683
mnt-by:         NETLINE-NOC-MNT
created:        2008-11-25T10:47:04Z
last-modified:  2014-10-03T05:08:41Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.112.1 (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