% 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 '78.48.0.0 - 78.50.159.255'

% Abuse contact for '78.48.0.0 - 78.50.159.255' is 'abuse.de@telefonica.com'

inetnum:        78.48.0.0 - 78.50.159.255
netname:        HANSENET-ADSL
descr:          Telefonica Germany GmbH & Co. OHG
country:        DE
admin-c:        HNT-RIPE
tech-c:         HANO-RIPE
status:         ASSIGNED PA
mnt-by:         HANSENET-MNT
mnt-lower:      HANSENET-NOC
mnt-routes:     HANSENET-MNT
created:        2007-03-30T12:23:21Z
last-modified:  2013-02-18T13:40:19Z
source:         RIPE

role:           HanseNet Network Operators
address:        Telefónica Germany GmbH & Co. OHG
address:        Ueberseering 33a
address:        D-22297 Hamburg
abuse-mailbox:  abuse.de@telefonica.com
admin-c:        CS8096-RIPE
tech-c:         TG819-RIPE # Thomas Graumann
tech-c:         ASZ-RIPE # Andreas Schwarz
nic-hdl:        HANO-RIPE
mnt-by:         HANSENET-NOC
created:        2007-11-08T13:51:02Z
last-modified:  2016-03-08T11:04:52Z
source:         RIPE # Filtered

role:           HanseNet IP Coordination
address:        Telefónica Germany GmbH & Co. OHG
address:        Ueberseering 33 A
address:        22297 Hamburg
address:        DE
phone:          +4940237260
fax-no:         +494023726193996
abuse-mailbox:  abuse.de@telefonica.com
admin-c:        CS8096-RIPE
tech-c:         HANO-RIPE
nic-hdl:        HNT-RIPE
mnt-by:         HANSENET-MNT
created:        2002-10-11T12:38:58Z
last-modified:  2016-03-31T14:50:22Z
source:         RIPE # Filtered

% Information related to '78.48.0.0/13AS6805'

route:          78.48.0.0/13
descr:          Telefonica Germany GmbH & Co. OHG
origin:         AS6805
mnt-by:         MDA-Z
created:        2015-12-01T12:29:50Z
last-modified:  2015-12-01T12:29:50Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (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