% 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 '78.87.0.0 - 78.87.255.255'

% Abuse contact for '78.87.0.0 - 78.87.255.255' is 'abusevfgr@vodafone.com'

inetnum:        78.87.0.0 - 78.87.255.255
netname:        GR-PANAFON-20070504
country:        GR
org:            ORG-PS3-RIPE
admin-c:        DV1255-RIPE
tech-c:         DV1255-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         PANAFON-MNT
created:        2007-05-04T11:18:50Z
last-modified:  2018-10-03T12:50:58Z
source:         RIPE

organisation:   ORG-PS3-RIPE
org-name:       VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA
country:        GR
org-type:       LIR
address:        Tzavella 1-3
                Halandri
address:        15231
address:        Athens
address:        GREECE
phone:          +30 210 6702000
fax-no:         +30 210 6703351
admin-c:        PNOC2-RIPE
admin-c:        VFGR-RIPE
tech-c:         VFGR22-RIPE
abuse-c:        AR15434-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        PANAFON-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         PANAFON-MNT
created:        2004-04-17T11:25:12Z
last-modified:  2022-11-29T08:19:03Z
source:         RIPE # Filtered

person:         Dionisis Vinieratos
address:        PANAFON S.A.
address:        Tzavella 1-3
address:        15231 Halandri
address:        Greece
phone:          +30 2100000000
nic-hdl:        DV1255-RIPE
mnt-by:         PANAFON-MNT
created:        2006-04-03T08:57:19Z
last-modified:  2010-11-11T13:20:02Z
source:         RIPE # Filtered

% Information related to '78.87.144.0/20AS3329'

route:          78.87.144.0/20
descr:          VF GR - xCH
origin:         AS3329
mnt-by:         AS3329-MNT
mnt-by:         PANAFON-MNT
created:        2021-04-15T14:29:07Z
last-modified:  2021-04-15T14:29:07Z
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