Robtex

Up: 204.48.96.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 204.48.96.0/25
Down right: 204.48.96.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.48.96.2	A	mail.hoffmanreed.com
204.48.96.4	A	barracuda.mid-states.net
204.48.96.7	A+PTR	spam.mid-states.net
204.48.96.9	A	webmail.grundyec.net
204.48.96.17	A+PTR	smtp-in.grundyec.net
204.48.96.17	A	mail.lyn.net
204.48.96.17	A	www.grundyec.net
204.48.96.19	PTR	web.grundyec.net
204.48.96.19	A	www.jagtec.net
204.48.96.19	A	pop.grundycountymo.com
204.48.96.44	PTR	sub-204-48-96-044.mid-states.net