Robtex

Up: 185.166.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.166.96.0/23
Down right: 185.166.98.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.166.96.21	A	sig01.glb.privasphere.com
185.166.96.61	PTR	www.glb.privasphere.com
185.166.96.61	A	privasphere.us
185.166.96.61	A	privasphere.email
185.166.96.68	PTR	cust-inst2.glb.privasphere.com
185.166.96.68	A	p4u.ch