Robtex

Up: 185.20.70.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 185.20.70.0/25
Down right: 185.20.70.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.20.70.215	A+PTR	dns3.assomax.it
185.20.70.215	A	mail3.assomax.it
185.20.70.215	A	dns3.assomax.net
185.20.70.222	PTR	ip-222-c70.assomax.it
185.20.70.222	A	dns2.assomax.it
185.20.70.222	A	mail.assomax.net