% 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 '212.66.150.0 - 212.66.154.63'

% Abuse contact for '212.66.150.0 - 212.66.154.63' is 'ipteam@netaachen.com'

inetnum:        212.66.150.0 - 212.66.154.63
netname:        ACCOM-NET
descr:          NetAachen GmbH
descr:          D-52070 Aachen
descr:          Gruener Weg 100
country:        DE
admin-c:        SH9672-RIPE
tech-c:         NA3158-RIPE
status:         ASSIGNED PA
mnt-by:         ACCOM-MNT
created:        2002-05-17T08:05:00Z
last-modified:  2015-03-06T11:50:28Z
source:         RIPE # Filtered

role:           NetAachen tech-c
address:        NetAachen GmbH
address:        Gruener Weg 100
address:        D-52070 Aachen, Germany
phone:          +49 241 918520
fax-no:         +49 241 9185299
admin-c:        SH11716-RIPE
tech-c:         MD4799-RIPE
nic-hdl:        NA3158-RIPE
mnt-by:         ACCOM-MNT
created:        2011-05-17T14:49:23Z
last-modified:  2013-07-05T13:04:37Z
source:         RIPE # Filtered

person:         Sebastian Huwig
address:        NetAachen GmbH
address:        Gruener Weg 100
address:        52070 Aachen
address:        DE
phone:          +49 241 91852 0
fax-no:         +49 241 91852 99
mnt-by:         ACCOM-MNT
nic-hdl:        SH9672-RIPE
created:        2012-10-18T12:50:12Z
last-modified:  2021-12-15T16:13:28Z
source:         RIPE # Filtered

% Information related to '212.66.128.0/19AS8422'

route:          212.66.128.0/19
descr:          NetAachen PA space
origin:         AS8422
mnt-by:         NETCOLOGNE-MNT
created:        2022-10-26T10:00:17Z
last-modified:  2022-10-26T10:00:17Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.111 (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