steffe@lab1:~$ date
Sun Nov  1 12:11:46 CET 2015
steffe@lab1:~$ nslookup -sil
> set q=any
> gulp.linux.it
Server:		131.114.10.10
Address:	131.114.10.10#53

Non-authoritative answer:
gulp.linux.it	nameserver = websrv-3.ftgm.it.
gulp.linux.it	nameserver = ns.linux.it.

Authoritative answers can be found from:
gulp.linux.it	nameserver = ns.linux.it.
gulp.linux.it	nameserver = websrv-3.ftgm.it.
websrv-3.ftgm.it	internet address = 159.213.59.183
> exit

steffe@lab1:~$ whois 159.213.59.183

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# http://www.arin.net/public/whoisinaccuracy/index.xhtml
#
...
...

Found a referral to 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 http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '159.213.0.0 - 159.213.255.255'

% Abuse contact for '159.213.0.0 - 159.213.255.255' is 'abuse@regione.toscana.it'

inetnum:        159.213.0.0 - 159.213.255.255
netname:        RTRT-NET
descr:          Regione Toscana
descr:          Rete Telematica Regionale Toscana
org:            ORG-RT3-RIPE
country:        IT
status:         LEGACY
remarks:        Abuse and SPAM: abuse@regione.toscana.it
admin-c:        GG156-RIPE
tech-c:         GA4-RIPE
tech-c:         VC33-RIPE
tech-c:         ER425-RIPE
tech-c:         SP2716-RIPE
remarks:        rev-srv: dns.regione.toscana.it
remarks:        rev-srv: nameserver.cnr.it
remarks:        rev-srv: dnsts.interbusiness.it
mnt-by:         PEGASO-MNT
mnt-lower:      PEGASO-MNT
mnt-routes:     PEGASO-MNT
mnt-by:         RIPE-NCC-LEGACY-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2015-09-07T11:42:21Z
source:         RIPE # Filtered
remarks:        rev-srv attribute deprecated by RIPE NCC on 02/09/2009

organisation:   ORG-RT3-RIPE
org-name:       Regione Toscana
org-type:       LIR
address:        Piazza Duomo, 10
address:        50122
address:        Firenze
address:        ITALY
phone:          +390554385122
fax-no:         +390554383195
abuse-mailbox:  abuse@regione.toscana.it
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        PEGASO-MNT
mnt-by:         RIPE-NCC-HM-MNT
admin-c:        SP2716-RIPE
admin-c:        LC8484-RIPE
admin-c:        GA4-RIPE
abuse-c:        RTRT1-RIPE
created:        2004-04-17T11:33:39Z
last-modified:  2015-03-23T13:29:54Z
source:         RIPE # Filtered

...
...

% Information related to '159.213.0.0/16AS6882'

route:          159.213.0.0/16
descr:          Rete Telematica Regionale Toscana
origin:         AS6882
mnt-by:         PEGASO-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2012-05-17T13:46:50Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.82 (DB-4)