% 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 'AS28914 - AS29090'

as-block:       AS28914 - AS29090
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:        2018-11-22T15:27:31Z
last-modified:  2018-11-22T15:27:31Z
source:         RIPE

% Information related to 'AS28938'

% Abuse contact for 'AS28938' is 'noc@medunet.com.sa'

aut-num:        AS28938
export:         to AS25233 announce AS28938
import:         from AS25233 accept ANY
org:            ORG-SBAF1-RIPE
as-name:        MEDUNET-AS
descr:          Program for Medical and Educational Telecommunications Riyadh, Saudi Arabia
import:         from AS8895 action pref=100; accept ANY
import:         from AS34397 action pref=100; accept ANY
import:         from AS20759 action pref=100; accept ANY
import:         from AS39386 action pref=100; accept ANY
import:         from AS35753 action pref=100; accept ANY
import:         from AS41147 action pref=100; accept ANY
import:         from AS43316 action pref=100; accept ANY
import:         from AS44689 action pref=100; accept ANY
export:         to AS8895 announce AS28938
export:         to AS20759 announce AS28938
export:         to AS34397 announce AS28938
export:         to AS39386 announce AS28938
export:         to AS35753 announce AS28938
export:         to AS41147 announce AS28938
export:         to AS43316 announce AS28938
export:         to AS44689 announce AS28938
default:        to AS8895 action pref=100; networks ANY
admin-c:        NA439-RIPE
tech-c:         NA439-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
tech-c:         CK670-RIPE
mnt-by:         MEDUNET-NOC
created:        2003-04-14T11:46:53Z
last-modified:  2022-03-06T11:34:23Z
source:         RIPE # Filtered

organisation:   ORG-SBAF1-RIPE
org-name:       Sultan Bin Abdulaziz Foundation
country:        SA
org-type:       LIR
address:        P.O. Box 14466
address:        11424
address:        Riyadh
address:        SAUDI ARABIA
phone:          +966506191928
fax-no:         +966114629597
mnt-ref:        MEDUNET-NOC
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MEDUNET-NOC
admin-c:        DA5517-RIPE
admin-c:        NOC174-RIPE
tech-c:         DA5517-RIPE
remarks:        For any Abuse or Spamming please send your requests directly to noc@medunet.com.sa
remarks:        For any Abuse or Spamming please send your requests directly to noc@medunet.com.sa
abuse-c:        NOC175-RIPE
descr:          MEDUNET
created:        2004-04-17T12:01:35Z
last-modified:  2020-12-16T12:38:50Z
source:         RIPE # Filtered

person:         Cagri Koksal
address:        Medical and Educational Data Network
address:        P.O. Box 14466
address:        Riyadh 11424
address:        Saudi Arabia
phone:          +966 50 445 0377
fax-no:         +966 1 462 9597
nic-hdl:        CK670-RIPE
mnt-by:         MEDUNET-NOC
created:        2003-03-24T11:05:03Z
last-modified:  2005-02-01T09:58:59Z
source:         RIPE # Filtered

person:         Nabil Al-Omar
address:        Medical and Educational Data Network
address:        P.O. Box 14466
address:        Riyadh 11424
address:        Saudi Arabia
phone:          +966 5 547 2148
fax-no:         +966 1 462 9597
nic-hdl:        NA439-RIPE
mnt-by:         MEDUNET-NOC
created:        2003-03-24T11:02:05Z
last-modified:  2003-03-24T11:02:05Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.111 (ABERDEEN)

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