Robtex

Up: 81.72.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 81.72.192.0/20
Down right: 81.72.208.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.72.192.212	A	ocft.it
81.72.196.38	A	host38-196-static.72-81-b.business.telecomitalia.it
81.72.197.174	A+PTR	host174-197-static.72-81-b.business.telecomitalia.it
81.72.198.97	A+PTR	host97-198-static.72-81-b.business.telecomitalia.it
81.72.198.98	PTR	mail.aspes.it
81.72.198.106	A	host106-198-static.72-81-b.business.telecomitalia.it
81.72.209.147	A+PTR	host147-209-static.72-81-b.business.telecomitalia.it
81.72.209.147	A	mail.invatec.com
81.72.209.147	A	mail.invatec.net
81.72.212.26	A+PTR	host26-212-static.72-81-b.business.telecomitalia.it
81.72.213.103	A	host103-213-static.72-81-b.business.telecomitalia.it
81.72.214.56	A	host56-214-static.72-81-b.business.telecomitalia.it
81.72.214.103	A+PTR	host103-214-static.72-81-b.business.telecomitalia.it
81.72.214.104	A	host104-214-static.72-81-b.business.telecomitalia.it
81.72.214.119	A	host119-214-static.72-81-b.business.telecomitalia.it
81.72.216.50	A+PTR	host50-216-static.72-81-b.business.telecomitalia.it
81.72.217.42	A+PTR	host42-217-static.72-81-b.business.telecomitalia.it
81.72.219.50	A+PTR	host50-219-static.72-81-b.business.telecomitalia.it
81.72.219.54	A+PTR	host54-219-static.72-81-b.business.telecomitalia.it
81.72.219.60	PTR	host60-219-static.72-81-b.business.telecomitalia.it
81.72.219.60	A	soccerty.net
81.72.219.60	A	soccerbit.com
81.72.219.173	A+PTR	host173-219-static.72-81-b.business.telecomitalia.it
81.72.219.179	A	host179-219-static.72-81-b.business.telecomitalia.it
81.72.219.236	A+PTR	host236-219-static.72-81-b.business.telecomitalia.it
81.72.221.169	PTR	host169-221-static.72-81-b.business.telecomitalia.it
81.72.221.169	A	www.icfranceschi.it
81.72.221.170	A	bbs.icfranceschi.it
81.72.222.43	A	host43-222-static.72-81-b.business.telecomitalia.it