Robtex

Up: 196.216.238.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 196.216.238.0/25
Down right: 196.216.238.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
196.216.238.180	A+PTR	webdefence.cluster-s.forcepoint.net
196.216.238.180	A	webdefence.cluster-s.websense.net
196.216.238.190	A+PTR	cluster-s.mailcontrol.com
196.216.238.190	A	cust54625-1.in.mailcontrol.com
196.216.238.190	A	cust30548-2.in.mailcontrol.com
196.216.238.221	A	mail-01-s.mailcontrol.com
196.216.238.225	A+PTR	mail-05-s.mailcontrol.com