% 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 '159.100.0.0 - 159.100.31.255'

% Abuse contact for '159.100.0.0 - 159.100.31.255' is 'abuse@first-colo.net'

inetnum:        159.100.0.0 - 159.100.31.255
netname:        DE-FIRSTCOLO
org:            ORG-AISG3-RIPE
descr:          First Colo GmbH
country:        DE
admin-c:        COLO-RIPE
tech-c:         COLO-RIPE
status:         LEGACY
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         ACCELERATED-MNT
mnt-by:         MNT-FIRSTCOLO
mnt-lower:      MNT-FIRSTCOLO
mnt-domains:    MNT-FIRSTCOLO
mnt-routes:     MNT-FIRSTCOLO
mnt-lower:      ACCELERATED-MNT
mnt-domains:    ACCELERATED-MNT
mnt-routes:     ACCELERATED-MNT
created:        2016-10-21T08:54:08Z
last-modified:  2023-09-08T07:01:00Z
source:         RIPE

organisation:   ORG-AISG3-RIPE
org-name:       firstcolo GmbH
country:        DE
org-type:       LIR
address:        Kruppstr. 105
address:        60388
address:        Frankfurt am Main
address:        GERMANY
phone:          +49 69 900 180 60
fax-no:         +49 69 900 180 90
admin-c:        NKA-RIPE
admin-c:        JE1270-RIPE
abuse-c:        ACC-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        ACCELERATED-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ACCELERATED-MNT
created:        2007-07-27T14:25:55Z
last-modified:  2022-10-12T13:55:02Z
source:         RIPE # Filtered

role:           First Colo Ripe Coordination
address:        First Colo GmbH
address:        Hanauer Landstr. 291b
address:        D-60314 Frankfurt am Main
address:        Germany
phone:          +49-(0)69-120069-0
fax-no:         +49-(0)69-120069-55
abuse-mailbox:  abuse@first-colo.net
remarks:
remarks:        * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
remarks:        * Complaints about internet abuse like spam, hack attacks, scans, etc. *
remarks:        * please mail to: --> abuse [@] first-colo [.] net <-- *
remarks:        * Requests from law enforcement (only!), send fax to: +49 (0) 69 1200 69 55 *
remarks:        * Inquiries can only be processed, if sent to the correct address. *
remarks:        * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
remarks:
admin-c:        LEKR-RIPE
admin-c:        NKA-RIPE
tech-c:         LEKR-RIPE
tech-c:         NKA-RIPE
nic-hdl:        COLO-RIPE
mnt-by:         MNT-FIRSTCOLO
created:        2007-09-28T19:01:39Z
last-modified:  2021-01-27T12:48:26Z
source:         RIPE # Filtered

% Information related to '159.100.0.0/19AS44066'

route:          159.100.0.0/19
descr:          First Colo via AS44066
origin:         AS44066
mnt-by:         MNT-FIRSTCOLO
created:        2016-10-21T10:11:14Z
last-modified:  2016-10-21T10:11:14Z
source:         RIPE

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

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