Robtex

Up: 5.56.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 5.56.12.0/23
Down right: 5.56.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.56.12.70	A	freethenet.it
5.56.12.71	A	mx1.nventawires.it
5.56.12.71	A	imap.nventa.it
5.56.12.71	A	mail.freethenet.it
5.56.12.72	A	nventa.it
5.56.12.72	A	cartia.it
5.56.12.79	A	nv-networks.com
5.56.12.84	A	www.nventawires.it
5.56.12.84	A	nventawires.it
5.56.12.240	A	mx2.capitelli.it
5.56.14.3	A	imap.nventa.it
5.56.14.3	A	smtp.nventa.it
5.56.14.3	A	pop.nventa.it