% 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 '91.198.231.0 - 91.198.231.255'

% Abuse contact for '91.198.231.0 - 91.198.231.255' is 'abuse@ipaddress.ru'

inetnum:        91.198.231.0 - 91.198.231.255
netname:        MOSOBLGAZ-NET
country:        RU
org:            ORG-MJ205-RIPE
admin-c:        SM10660-RIPE
tech-c:         PT175-RIPE
tech-c:         MY376-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         RUIX-MNT
mnt-routes:     RUIX-MNT
mnt-domains:    RUIX-MNT
created:        2007-10-29T10:26:12Z
last-modified:  2022-11-14T14:55:27Z
source:         RIPE
sponsoring-org: ORG-JCE1-RIPE

organisation:   ORG-MJ205-RIPE
org-name:       Mosoblgaz JSC
country:        RU
org-type:       OTHER
address:        d. Razdory, 1-y km (Rublevo-Uspenskoe shosse ter.), d. 1, korp. B, et. 9, kab. 901
address:        143082 Odintsovo
address:        Russian Federation
abuse-c:        IPs
mnt-ref:        IPADDRESS-RU
mnt-by:         IPADDRESS-RU
created:        2019-12-23T18:30:24Z
last-modified:  2022-12-01T16:37:22Z
source:         RIPE # Filtered

person:         Maxim Yushin
address:        Russian Federation, Moscow region, Odintsovckij district, w.s. address: Odintsovckij district, w.s. Novoivanovskij, Kalinina street,
phone:          +7 495 597-55-77
nic-hdl:        MY376-RIPE
created:        2007-10-05T11:59:50Z
last-modified:  2016-04-06T22:00:19Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE # Filtered

person:         Pavel Tyutyunov
address:        Russian Federation, Moscow region, Odintsovckij district, w.s. address: Odintsovckij district, w.s. Novoivanovskij, Kalinina street,
phone:          +7 495 597-55-77
nic-hdl:        PT175-RIPE
created:        2007-10-05T11:59:49Z
last-modified:  2016-04-06T21:59:47Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE # Filtered

person:         Serguei Makarov
address:        Russian Federation, Moscow region, Odintsovckij district, w.s. address: Odintsovckij district, w.s. Novoivanovskij, Kalinina street,
phone:          +7 495 597-55-77
nic-hdl:        SM10660-RIPE
created:        2007-10-05T11:59:49Z
last-modified:  2016-04-06T21:59:14Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE # Filtered

% Information related to '91.198.231.0/24AS44048'

route:          91.198.231.0/24
descr:          GUP MO MOSOBLGAZ
origin:         AS44048
mnt-by:         ROSNIIROS-MNT
created:        2007-11-12T13:49:27Z
last-modified:  2007-11-12T13:49:27Z
source:         RIPE

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