% 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 '5.236.156.0 - 5.236.207.255'

% Abuse contact for '5.236.156.0 - 5.236.207.255' is 'h.manochehri@tci.ir'

inetnum:        5.236.156.0 - 5.236.207.255
netname:        TCIHMD
descr:          Telecommunication Company of Hamedan
country:        IR
admin-c:        NA6211-RIPE
tech-c:         NA6336-RIPE
tech-c:         DP15056-RIPE
tech-c:         JKR38-RIPE
org:            ORG-TCOH1-RIPE
status:         ASSIGNED PA
mnt-by:         TCI-RIPE-MNT
mnt-lower:      TCI-RIPE-MNT
mnt-routes:     TCI-RIPE-MNT
created:        2013-07-22T07:18:21Z
last-modified:  2019-06-25T06:51:52Z
source:         RIPE

organisation:   ORG-TCOH1-RIPE
org-name:       Telecommunication Company of Hamedan
org-type:       other
address:        Hamedan Telecom
abuse-c:        AC26986-RIPE
admin-c:        NA6211-RIPE
tech-c:         DM16667-RIPE
mnt-ref:        TCI-RIPE-MNT
mnt-by:         TCI-RIPE-MNT
created:        2015-05-12T11:35:53Z
last-modified:  2019-03-03T05:30:51Z
source:         RIPE # Filtered

role:           Data Planner (Hamedan)
address:        Hamedan - Telecommunication Company of Hamedan
admin-c:        JH29687-RIPE
nic-hdl:        DP15056-RIPE
mnt-by:         TCI-RIPE-MNT
created:        2019-06-24T07:06:08Z
last-modified:  2019-06-24T07:06:08Z
source:         RIPE # Filtered

role:           Network Admin (Hamedan)
address:        Hamedan - Telecommunication Company of Hamedan
admin-c:        NMT14-RIPE
nic-hdl:        NA6211-RIPE
mnt-by:         TCI-RIPE-MNT
created:        2019-03-02T12:34:15Z
last-modified:  2019-03-02T12:34:15Z
source:         RIPE # Filtered

role:           NOC (Hamedan)
address:        Hamedan - Telecommunication Company of Hamedan
admin-c:        VV4235-RIPE
nic-hdl:        NA6336-RIPE
mnt-by:         TCI-RIPE-MNT
created:        2019-06-24T07:04:09Z
last-modified:  2019-06-24T07:04:09Z
source:         RIPE # Filtered

person:         Javad Karimi Radpour
address:        telecommunication company of Hamedan
phone:          +98-81-34245454
nic-hdl:        JKR38-RIPE
mnt-by:         TCI-RIPE-MNT
created:        2013-07-17T11:36:32Z
last-modified:  2015-02-02T09:26:23Z
source:         RIPE

% Information related to '5.236.160.0/19AS58224'

route:          5.236.160.0/19
origin:         AS58224
mnt-by:         TCI-RIPE-MNT
created:        2019-09-21T05:35:36Z
last-modified:  2019-09-21T05:35:36Z
source:         RIPE

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