Robtex

Up: 216.237.82.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.237.82.0/25
Down right: 216.237.82.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.237.82.82	A	mail.alpinetec.com
216.237.82.84	PTR	84-82-237-216.skybeam.com
216.237.82.84	A	mail.alpinetec.net
216.237.82.197	PTR	crwcd-ex2.crwcd.org
216.237.82.197	A	mail.crwcd.com
216.237.82.197	A	mail.crwcd.net
216.237.82.209	A+PTR	pccdc01.princecreek.com
216.237.82.209	A	princecreek.com
216.237.82.209	A	mail.princecreek.com
216.237.82.245	PTR	server.gertzlegal.net