% 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 '5.160.192.0 - 5.160.193.255'

% Abuse contact for '5.160.192.0 - 5.160.193.255' is 'abuse@respina.net'

inetnum:        5.160.192.0 - 5.160.193.255
netname:        SaipaYadak-NET
descr:          Saipa Yadak Co. PLC
country:        IR
admin-c:        MA14400-RIPE
tech-c:         MA14400-RIPE
status:         ASSIGNED PA
mnt-by:         MNT-RSPN
mnt-lower:      MNT-RSPN
mnt-routes:     MNT-RSPN
created:        2014-05-05T09:34:49Z
last-modified:  2014-05-05T09:34:49Z
source:         RIPE

person:         Mahdi Aghazadeh
address:        Saipa Yadak Building, Daroo Pakhsh St. Makhsos Roud, Teharn Iran
phone:          +982161611352
phone:          +982161611347
nic-hdl:        MA14400-RIPE
mnt-by:         MNT-RSPN
created:        2013-05-04T06:16:58Z
last-modified:  2013-05-04T06:16:58Z
source:         RIPE

% Information related to '5.160.193.0/24AS60811'

route:          5.160.193.0/24
descr:          Saipa Yadak-Route
origin:         AS60811
mnt-by:         MNT-RSPN
created:        2014-05-05T09:57:09Z
last-modified:  2014-05-05T09:57:09Z
source:         RIPE

% 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