Robtex

Up: 64.207.196.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.207.196.0/25
Down right: 64.207.196.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.207.196.7	PTR	unused.mynethost.com
64.207.196.11	PTR	unused.mynethost.com
64.207.196.12	PTR	unused.mynethost.com
64.207.196.26	PTR	ns3.inserver.com
64.207.196.30	A+PTR	ns3.bluevirtual.com
64.207.196.32	A+PTR	ns3.mynethost.com
64.207.196.35	PTR	unused.mynethost.com
64.207.196.35	A	ns-was.warriorhill.com
64.207.196.35	A	ns-was.myvoiceservice.com
64.207.196.41	PTR	gray.mynethost.com
64.207.196.41	A	mx4.bobhullinc.com
64.207.196.41	A	mx4.imisconsultant.com
64.207.196.43	PTR	unused.mynethost.com
64.207.196.59	PTR	unused.mynethost.com
64.207.196.66	PTR	unused.mynethost.com
64.207.196.77	PTR	unused.mynethost.com
64.207.196.89	PTR	unused.mynethost.com
64.207.196.98	PTR	unused.mynethost.com
64.207.196.104	PTR	unused.mynethost.com
64.207.196.111	PTR	unused.mynethost.com
64.207.196.116	PTR	unused.mynethost.com
64.207.196.123	PTR	unused.mynethost.com
64.207.196.125	PTR	unused.mynethost.com
64.207.196.148	PTR	unused.mynethost.com
64.207.196.169	PTR	unused.mynethost.com
64.207.196.174	PTR	unused.mynethost.com
64.207.196.176	PTR	unused.mynethost.com
64.207.196.193	PTR	unused.mynethost.com
64.207.196.197	PTR	unused.mynethost.com
64.207.196.202	PTR	unused.mynethost.com
64.207.196.215	PTR	unused.mynethost.com
64.207.196.219	PTR	unused.mynethost.com
64.207.196.253	PTR	unused.mynethost.com