Robtex

Up: 217.56.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 217.56.160.0/20
Down right: 217.56.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.56.171.12	A	host12-171-static.56-217-b.business.telecomitalia.it
217.56.171.17	A	host17-171-static.56-217-b.business.telecomitalia.it
217.56.171.25	A	host25-171-static.56-217-b.business.telecomitalia.it
217.56.171.30	A	host30-171-static.56-217-b.business.telecomitalia.it
217.56.171.40	A	host40-171-static.56-217-b.business.telecomitalia.it
217.56.171.46	A	host46-171-static.56-217-b.business.telecomitalia.it
217.56.171.54	A	host54-171-static.56-217-b.business.telecomitalia.it
217.56.171.57	A	host57-171-static.56-217-b.business.telecomitalia.it
217.56.171.66	A+PTR	host66-171-static.56-217-b.business.telecomitalia.it
217.56.171.69	A	host69-171-static.56-217-b.business.telecomitalia.it
217.56.171.72	A	host72-171-static.56-217-b.business.telecomitalia.it
217.56.171.77	A	host77-171-static.56-217-b.business.telecomitalia.it
217.56.171.96	A+PTR	host96-171-static.56-217-b.business.telecomitalia.it
217.56.171.107	A	host107-171-static.56-217-b.business.telecomitalia.it
217.56.171.108	A	host108-171-static.56-217-b.business.telecomitalia.it
217.56.171.114	A	host114-171-static.56-217-b.business.telecomitalia.it
217.56.171.145	A	host145-171-static.56-217-b.business.telecomitalia.it
217.56.171.147	A	host147-171-static.56-217-b.business.telecomitalia.it
217.56.171.149	A	host149-171-static.56-217-b.business.telecomitalia.it
217.56.171.157	A	host157-171-static.56-217-b.business.telecomitalia.it
217.56.171.167	A	host167-171-static.56-217-b.business.telecomitalia.it
217.56.171.169	A	host169-171-static.56-217-b.business.telecomitalia.it
217.56.171.172	A	host172-171-static.56-217-b.business.telecomitalia.it
217.56.171.173	A	host173-171-static.56-217-b.business.telecomitalia.it
217.56.171.198	A	host198-171-static.56-217-b.business.telecomitalia.it
217.56.171.205	A	host205-171-static.56-217-b.business.telecomitalia.it
217.56.171.208	A	host208-171-static.56-217-b.business.telecomitalia.it
217.56.171.212	A	host212-171-static.56-217-b.business.telecomitalia.it
217.56.171.225	A+PTR	host225-171-static.56-217-b.business.telecomitalia.it
217.56.171.226	A+PTR	host226-171-static.56-217-b.business.telecomitalia.it
217.56.171.227	A+PTR	host227-171-static.56-217-b.business.telecomitalia.it
217.56.171.230	A	host230-171-static.56-217-b.business.telecomitalia.it
217.56.173.66	A	mail2.fif.it
217.56.173.66	A	mailhost.fif.it
217.56.173.66	A	smtp.idadance.com
217.56.174.10	A	smtp2.club-francodex.com
217.56.174.10	A	smtp2.francodex.fr
217.56.174.10	A	smtp2.alfaprod-france.com
217.56.174.42	A	mx2.tormeccanica.it
217.56.174.42	A	posta.tormeccanica.it
217.56.174.58	PTR	host58-174-static.56-217-b.business.telecomitalia.it
217.56.174.59	A	mail.assilambertini.it
217.56.174.61	A	host61-174-static.56-217-b.business.telecomitalia.it
217.56.174.154	A+PTR	host154-174-static.56-217-b.business.telecomitalia.it
217.56.174.162	A	mail.fi.ludovico.it
217.56.174.162	A	mail.ludovico.it
217.56.174.194	A	mail.tipcom.biz
217.56.174.194	A	*.tipcom.biz
217.56.174.206	A+PTR	host206-174-static.56-217-b.business.telecomitalia.it
217.56.174.242	PTR	host242-174-static.56-217-b.business.telecomitalia.it
217.56.174.242	A	server.piranisrl.com
217.56.174.242	A	ns1.piranisrl.com
217.56.175.10	PTR	host10-175-static.56-217-b.business.telecomitalia.it
217.56.175.10	A	mail.centroclinicomagnani.it
217.56.175.41	A	mail.logicasistemi.net
217.56.175.156	A+PTR	mail2.sagomedica.com
217.56.175.156	A	www.ambulanze.it
217.56.178.162	A	mail.sigmastudiosrl.it
217.56.178.227	A+PTR	mail.etoilesrl.it
217.56.178.227	A	mail3.lafano.it
217.56.179.250	A+PTR	host250-179-static.56-217-b.business.telecomitalia.it
217.56.186.198	A+PTR	host198-186-static.56-217-b.business.telecomitalia.it
217.56.187.202	A+PTR	host202-187-static.56-217-b.business.telecomitalia.it
217.56.188.67	A+PTR	host67-188-static.56-217-b.business.telecomitalia.it
217.56.188.67	A	solfotecnica.com
217.56.188.67	A	webmail.solfotecnica.com
217.56.188.83	A	turchisrv1.raffaeleturchi.it
217.56.188.123	A+PTR	host123-188-static.56-217-b.business.telecomitalia.it
217.56.188.123	A	webmail.senzani.com
217.56.188.154	A	mail.ranocchicom.com
217.56.188.155	A+PTR	mx.ranocchicom.com