Robtex

Up: 204.16.252.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 204.16.253.0/25
Down right: 204.16.253.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.16.253.33	A	ns2.pathephone.com
204.16.253.33	A	ns3.todacosta.com
204.16.253.33	A	lisadave.com
204.16.253.53	A+PTR	nf3.no-ip.com
204.16.253.53	A	nf5.no-ip.com
204.16.253.153	A	ipcast1.dynupdate.no-ip.com