% 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://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '91.211.172.0 - 91.211.175.255'

% Abuse contact for '91.211.172.0 - 91.211.175.255' is 'dgroup.info@gmail.com'

inetnum:        91.211.172.0 - 91.211.175.255
netname:        DGROUP-NET
descr:          D-group ISP
geofeed:        https://d-group.online/geofeed.csv
country:        RU
org:            ORG-BDS1-RIPE
admin-c:        AKA1992-RIPE
tech-c:         AKA1992-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         DGROUP-MNT
mnt-routes:     DGROUP-MNT
mnt-domains:    DGROUP-MNT
created:        2008-12-24T11:22:56Z
last-modified:  2024-09-08T10:43:11Z
source:         RIPE
sponsoring-org: ORG-IL432-RIPE

organisation:   ORG-BDS1-RIPE
org-name:       Bystrov Dmitriy Sergeevich
country:        RU
org-type:       OTHER
address:        Kv. Stepnoy, 1
address:        Lugansk, Russia
phone:          +79595062006
abuse-c:        AR27462-RIPE
mnt-ref:        DGROUP-MNT
mnt-by:         DGROUP-MNT
created:        2008-12-18T13:14:07Z
last-modified:  2023-10-17T16:57:32Z
source:         RIPE # Filtered

person:         Kamorkin Aleksey Alekseevich
address:        Russia, Kamensk-Shahtinskiy, st. Voroshilova 148
phone:          +79591334275
nic-hdl:        AKA1992-RIPE
mnt-by:         MNT-IPCOM
created:        2022-11-02T08:25:16Z
last-modified:  2022-11-02T08:25:16Z
source:         RIPE

% Information related to '91.211.172.0/22AS34047'

route:          91.211.172.0/22
descr:          route object
origin:         AS34047
mnt-by:         DGROUP-MNT
created:        2009-02-04T08:32:13Z
last-modified:  2009-02-04T08:33:34Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (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