Robtex

Up: 5.172.208.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.172.213.5	PTR	host-5-172-213-5.isiline.net
5.172.213.5	A	mail.birdys.eu
5.172.213.5	A	mail.hepicos.org
5.172.213.128	A	mail.sdcom.it
5.172.213.228	A+PTR	mail2.monchiero.com
5.172.215.203	A	server.nazari.it