Robtex

Up: 72.18.76.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 72.18.78.0/24
Down right: 72.18.79.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.18.78.2	A	dns1.lavahosting.com
72.18.78.2	A	dns1.moproduction.com
72.18.78.2	A	ns1.mdicreative.com
72.18.78.4	A	dns1.dp-hosting.net
72.18.78.4	A	dns2.coyoteconsulting.com
72.18.78.4	A	ns2.inetsyndicate.com