% 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 'AS35252 - AS35618'

as-block:       AS35252 - AS35618
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2024-05-01T14:06:15Z
last-modified:  2024-05-01T14:06:15Z
source:         RIPE

% Information related to 'AS35506'

% Abuse contact for 'AS35506' is 'syzefxis_abuse@ktpae.gr'

aut-num:        AS35506
as-name:        SYZEFXIS
org:            ORG-SGPA1-RIPE
import:         from AS6799 action pref=201; accept ANY
import:         from AS1241 action pref=180; accept ANY
export:         to AS6799 announce AS35506
export:         to AS1241 announce AS35506
admin-c:        OIA15-RIPE
tech-c:         OIA15-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         OTENET-GR-MNT
created:        2005-08-23T12:46:32Z
last-modified:  2020-10-06T07:32:20Z
source:         RIPE # Filtered
sponsoring-org: ORG-OSTO1-RIPE

organisation:   ORG-SGPA1-RIPE
org-name:       INFORMATION SOCIETY S.A.
country:        GR
org-type:       OTHER
address:        Filoksenoy 2 & Spintharoy Street
address:        ATHINA 11636
address:        GREECE
phone:          +30-210 9288700
admin-c:        MK23532-RIPE
abuse-c:        AR18667-RIPE
admin-c:        OIA15-RIPE
admin-c:        OIA15-RIPE
mnt-ref:        OTE-ADMIN-MNT
mnt-by:         OTE-ADMIN-MNT
created:        2005-08-04T12:00:38Z
last-modified:  2022-12-01T16:51:23Z
source:         RIPE # Filtered

role:           OTENET IP ADM
address:        OTEnet S.A.
address:        99 Kifissias Ave, Marousi
address:        GR-15124 Athens
address:        Greece
phone:          +30 210 6110000
fax-no:         +30 210 8067099
admin-c:        AV323-RIPE
tech-c:         PP5896-RIPE
nic-hdl:        OIA15-RIPE
abuse-mailbox:  abuse@ote.gr
remarks:        Please to report spam or abuse use only abuse@ote.gr
mnt-by:         OTENET-GR-MNT
mnt-by:         OTE-ADMIN-MNT
created:        2008-06-12T07:51:22Z
last-modified:  2021-07-05T06:21:19Z
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