% 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 '87.77.0.0 - 87.77.255.255'

% Abuse contact for '87.77.0.0 - 87.77.255.255' is 'abuse@fu-berlin.de'

inetnum:        87.77.0.0 - 87.77.255.255
netname:        FUNKLAN
country:        DE
org:            ORG-FUB1-RIPE
admin-c:        RS23926-RIPE
admin-c:        HS96
tech-c:         HS96
tech-c:         RS23926-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         DFN-LIR-MNT
mnt-routes:     DFN-MNT
mnt-domains:    DFN-HM-MNT
created:        2006-06-20T14:21:33Z
last-modified:  2020-11-16T17:37:13Z
source:         RIPE
sponsoring-org: ORG-DV1-RIPE

organisation:   ORG-FUB1-RIPE
org-name:       Freie Universitaet Berlin
country:        DE
org-type:       OTHER
address:        Zentraleinrichtung fuer Datenverarbeitung (ZEDAT)
address:        Fabeckstrasse 32
address:        14195 Berlin
address:        Germany
admin-c:        RS23926-RIPE
tech-c:         HS96
abuse-c:        FUBA1-RIPE
mnt-ref:        DFN-LIR-MNT
mnt-by:         DFN-LIR-MNT
created:        2006-06-21T09:10:13Z
last-modified:  2022-12-01T16:26:43Z
source:         RIPE # Filtered

person:         Heiko Schlichting
address:        Freie Universitaet Berlin
address:        Zentraleinrichtung fuer Datenverarbeitung (ZEDAT)
address:        Fabeckstrasse 32
address:        14195 Berlin
address:        Germany
phone:          +49 30 838 54327
fax-no:         +49 30 838 454327
nic-hdl:        HS96
mnt-by:         DFN-NTFY
created:        2002-09-13T12:41:24Z
last-modified:  2017-10-30T21:44:53Z
source:         RIPE # Filtered

person:         Robert Schuettler
address:        Freie Universitaet Berlin
address:        Zentraleinrichtung fuer Datenverarbeitung (ZEDAT)
address:        Fabeckstrasse 32
address:        14195 Berlin
address:        Germany
phone:          +49 30 838 56521
fax-no:         +49 30 838 456521
nic-hdl:        RS23926-RIPE
mnt-by:         DFN-NTFY
created:        2019-08-06T11:14:12Z
last-modified:  2019-08-06T11:14:12Z
source:         RIPE # Filtered

% Information related to '87.77.0.0/16AS680'

route:          87.77.0.0/16
descr:          FUB
origin:         AS680
mnt-by:         DFN-MNT
created:        2006-06-20T14:30:46Z
last-modified:  2006-06-20T14:30:46Z
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