% 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 'AS43075 - AS44168'

as-block:       AS43075 - AS44168
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:        2023-12-11T15:09:58Z
last-modified:  2023-12-11T15:09:58Z
source:         RIPE

% Information related to 'AS43510'

% Abuse contact for 'AS43510' is 'abuse@golestan.com'

aut-num:        AS43510
as-name:        MEHVARMACHINE-AS
org:            ORG-MM16-RIPE
import:         from AS25184 accept ANY
import:         from AS42337 accept ANY
import:         from AS58224 accept ANY
export:         to AS25184 announce AS43510
export:         to AS42337 announce AS43510
export:         to AS58224 announce AS43510
admin-c:        YN563-RIPE
tech-c:         YN563-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MehvarMachine-MNT
created:        2010-08-24T09:40:01Z
last-modified:  2022-11-14T12:10:32Z
source:         RIPE # Filtered

organisation:   ORG-MM16-RIPE
org-name:       Mehvar Machine
country:        IR
org-type:       LIR
address:        16th St. - 8th Km Karaj Makhsous Expressway
address:        1389798911
address:        Tehran
address:        IRAN, ISLAMIC REPUBLIC OF
phone:          +982148636317
fax-no:         +982144503932
abuse-c:        AA40160-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MehvarMachine-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MehvarMachine-MNT
admin-c:        YN563-RIPE
tech-c:         YN563-RIPE
created:        2009-04-27T08:52:40Z
last-modified:  2022-11-14T12:32:28Z
source:         RIPE # Filtered

person:         Yousef Naimi
address:        16th St. - 8th Km Karaj Makhsous Expressway
phone:          +982148636317
nic-hdl:        YN563-RIPE
mnt-by:         YN-MNT
created:        2022-11-14T11:25:54Z
last-modified:  2022-11-14T11:25:54Z
source:         RIPE

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

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