% 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 '147.78.28.0 - 147.78.31.255'

% Abuse contact for '147.78.28.0 - 147.78.31.255' is 'drift@fastspeed.dk'

inetnum:        147.78.28.0 - 147.78.31.255
netname:        DK-FASTSPEED-20190117
country:        DK
org:            ORG-FA950-RIPE
admin-c:        BSR96-RIPE
tech-c:         BSR96-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-dk-fastspeed-1
mnt-lower:      mnt-dk-fastspeed-1
mnt-routes:     mnt-dk-fastspeed-1
created:        2019-01-17T12:35:52Z
last-modified:  2019-04-29T19:47:43Z
source:         RIPE

organisation:   ORG-FA950-RIPE
org-name:       FASTSPEED A/S
country:        DK
org-type:       LIR
address:        Bygmestervej 10, 2tv
address:        2400
address:        Kbh NV
address:        DENMARK
phone:          +45 89873700
admin-c:        JR9664-RIPE
tech-c:         BSR96-RIPE
abuse-c:        ACRO24177-RIPE
mnt-ref:        mnt-dk-fastspeed-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-dk-fastspeed-1
created:        2019-01-04T13:18:10Z
last-modified:  2021-02-04T11:15:39Z
source:         RIPE # Filtered

person:         Bjorn Skovlund Ryden
address:        Bygmestervej 10, 3 TV., 2400 København N.V.
phone:          +4589873700
nic-hdl:        BSR96-RIPE
mnt-by:         mnt-dk-fastspeed-1
created:        2019-04-29T19:43:32Z
last-modified:  2019-04-29T19:48:22Z
source:         RIPE # Filtered

% Information related to '147.78.28.0/22AS209424'

route:          147.78.28.0/22
origin:         AS209424
mnt-by:         mnt-dk-fastspeed-1
created:        2019-04-05T09:27:16Z
last-modified:  2019-04-05T09:27:16Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.112 (DEXTER)

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