Robtex

Up: 217.72.38.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.72.38.0/25
Down right: 217.72.38.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.72.38.6	A	server.6comsrl.it
217.72.38.6	A	fileserver.6comsrl.it
217.72.38.74	A	mail.gamm.com
217.72.38.74	A	mail.gamm.it
217.72.38.133	PTR	ip-133.38.72.217.interplanet.it
217.72.38.150	A+PTR	ip-150-38-72-217.interplanet.it
217.72.38.193	A+PTR	vmware.6comsrl.it
217.72.38.194	A+PTR	mail.6comsrl.it
217.72.38.194	A+PTR	mailserver.6comsrl.it
217.72.38.194	A+PTR	mail.ambassadorcasino.it
217.72.38.195	A+PTR	pbx.6comsrl.it
217.72.38.196	A+PTR	cacti.6comsrl.it
217.72.38.198	A	mail.ambassadorcasino.it
217.72.38.198	A	mailserver.ambassadorcasino.it