% 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 'AS51357 - AS52223'

as-block:       AS51357 - AS52223
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:        2021-12-09T08:21:17Z
last-modified:  2021-12-09T08:21:17Z
source:         RIPE

% Information related to 'AS51549'

% Abuse contact for 'AS51549' is 'RAlHosayani@Sipchem.com'

aut-num:        AS51549
as-name:        SaharaPCC-AS
org:            ORG-SPC5-RIPE
import:         from AS41176 action pref=100;accept ANY
import:         from AS25233 action pref=100;accept ANY
export:         to AS41176 announce AS51549
export:         to AS25233 announce AS51549
admin-c:        MYS21-RIPE
admin-c:        SNRR2-RIPE
tech-c:         MYS21-RIPE
tech-c:         SNRR2-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SAHARA-MNT
created:        2010-09-24T07:38:56Z
last-modified:  2019-10-21T06:56:36Z
source:         RIPE # Filtered
sponsoring-org: ORG-SN7-RIPE

organisation:   ORG-SPC5-RIPE
org-name:       Sahara Petrochemical Co.
country:        SA
org-type:       OTHER
address:        Tareeg # 261, Jubail Industrial City, PO Box 11166, Jubail 31961
abuse-c:        AC30753-RIPE
admin-c:        MYS21-RIPE
admin-c:        SNRR2-RIPE
tech-c:         MYS21-RIPE
tech-c:         SNRR2-RIPE
mnt-ref:        sahara-mnt
mnt-by:         sahara-mnt
created:        2009-10-11T06:11:57Z
last-modified:  2022-12-01T16:53:00Z
source:         RIPE # Filtered

role:           Sahara Net - RIPE Registration Team
address:        P.O.Box 5480, Dammam 31422, Saudi Arabia
phone:          +96638322299
fax-no:         +96638345652
org:            ORG-SN7-RIPE
admin-c:        KA1020-RIPE
tech-c:         KA693-RIPE
tech-c:         KA1020-RIPE
nic-hdl:        SNRR2-RIPE
mnt-by:         SAHARA-MNT
abuse-mailbox:  abuse@sahara.com.sa
created:        2010-04-19T13:09:33Z
last-modified:  2014-02-24T06:31:30Z
source:         RIPE # Filtered

person:         Riyad M. Al-Hosayani
address:        Tareeg # 261, Jubail Industrial City, PO Box 11166, Jubail 31961, SA
org:            ORG-SPC5-RIPE
phone:          +966 33567090
nic-hdl:        MYS21-RIPE
mnt-by:         SAHARA-MNT
created:        2010-10-12T06:50:03Z
last-modified:  2015-10-08T05:14:26Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.112 (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