Robtex

Up: 203.192.228.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.192.228.0/25
Down right: 203.192.228.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.192.228.6	PTR	dhcp-192-228-6.in2cable.com
203.192.228.22	PTR	dhcp-192-228-22.in2cable.com
203.192.228.33	PTR	dhcp-192-228-33.in2cable.com
203.192.228.51	A	r3tv.com
203.192.228.51	A	ns1.r3tv.com
203.192.228.51	A	ns2.r3tv.com
203.192.228.69	PTR	dhcp-192-228-69.in2cable.com
203.192.228.121	PTR	dhcp-192-228-121.in2cable.com
203.192.228.142	PTR	dhcp-192-228-142.in2cable.com
203.192.228.166	PTR	dhcp-192-228-166.in2cable.com