% 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 '5.8.36.0 - 5.8.39.255'

% Abuse contact for '5.8.36.0 - 5.8.39.255' is 'abuse@pakt.spb.ru'

inetnum:        5.8.36.0 - 5.8.39.255
netname:        RU-PAKT-20120425
country:        RU
org:            ORG-PL73-RIPE
admin-c:        LR3226-RIPE
tech-c:         LR3226-RIPE
geofeed:        https://geofeed.pakt.ru/geofeed.csv
status:         ALLOCATED PA
mnt-by:         PAKT-MNT
mnt-by:         RIPE-NCC-HM-MNT
created:        2020-05-01T06:42:00Z
last-modified:  2024-03-05T09:05:14Z
source:         RIPE

organisation:   ORG-PL73-RIPE
org-name:       P.A.K.T LLC
country:        RU
org-type:       LIR
address:        21A-11N, Sizova avenue
address:        197349
address:        St. Petersburg
address:        RUSSIAN FEDERATION
phone:          +78125958111
fax-no:         +78125958111
abuse-c:        AR16847-RIPE
admin-c:        LR3226-RIPE
mnt-ref:        LR-MNT
mnt-ref:        PAKT-MNT
mnt-ref:        MNT-NETART
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         PAKT-MNT
created:        2009-04-17T08:57:40Z
last-modified:  2024-03-29T14:23:44Z
source:         RIPE # Filtered

person:         Leonid Ryzhik
address:        14-2, apt 9N, Fomina street
address:        RU-194295, St. Petersburg, Russia
phone:          +7 812 5958122
nic-hdl:        LR3226-RIPE
mnt-by:         LR-MNT
created:        2007-11-04T17:11:21Z
last-modified:  2015-12-23T13:30:59Z
source:         RIPE # Filtered

% Information related to '5.8.38.0/23AS39087'

route:          5.8.38.0/23
origin:         AS39087
mnt-by:         PAKT-MNT
created:        2020-10-19T16:38:18Z
last-modified:  2020-10-19T16:38:18Z
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