% 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 '87.101.112.0 - 87.101.127.255'

% Abuse contact for '87.101.112.0 - 87.101.127.255' is 'abuse@telekom.hu'

inetnum:        87.101.112.0 - 87.101.127.255
netname:        HU-HTC-20060224
country:        HU
org:            ORG-HTM1-RIPE
admin-c:        MTRA-RIPE
tech-c:         MTNA-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MTELEKOM-MNT
mnt-lower:      AS5483-MNT
mnt-lower:      MTELEKOM-MNT
mnt-domains:    AS5483-MNT
mnt-domains:    MTELEKOM-MNT
mnt-routes:     AS5483-MNT
created:        2006-02-24T10:51:49Z
last-modified:  2018-09-26T13:51:03Z
source:         RIPE

organisation:   ORG-HTM1-RIPE
org-name:       Magyar Telekom plc.
country:        HU
org-type:       LIR
address:        Könyves Kálmán körút 36.
address:        1097
address:        Budapest
address:        HUNGARY
phone:          +36 1 432 0700
phone:          +36 1 457 4000
fax-no:         +36 1 458 0044
admin-c:        MTRA-RIPE
abuse-c:        MTAC-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MTELEKOM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MTELEKOM-MNT
created:        2004-04-17T11:26:04Z
last-modified:  2021-10-20T10:50:19Z
source:         RIPE # Filtered

role:           Magyar Telekom Network Administrator
address:        Budapest, Hungary
tech-c:         TIBA-RIPE
tech-c:         DB2380-RIPE
nic-hdl:        MTNA-RIPE
abuse-mailbox:  abuse@telekom.hu
mnt-by:         MTELEKOM-MNT
created:        2013-10-13T20:08:36Z
last-modified:  2021-10-20T11:49:32Z
source:         RIPE # Filtered

role:           Magyar Telekom RIPE Administrator
address:        Budapest, Hungary
admin-c:        DB2380-RIPE
admin-c:        MK1117-RIPE
admin-c:        TIBA-RIPE
nic-hdl:        MTRA-RIPE
abuse-mailbox:  abuse@telekom.hu
mnt-by:         MTELEKOM-MNT
created:        2013-10-13T19:58:47Z
last-modified:  2021-10-20T11:49:15Z
source:         RIPE # Filtered

% Information related to '87.101.112.0/20AS5483'

route:          87.101.112.0/20
descr:          SZARVAS-HU
origin:         AS5483
mnt-by:         MTELEKOM-MNT
created:        2019-02-20T10:21:15Z
last-modified:  2019-02-20T10:21:15Z
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