Robtex

Up: 66.146.236.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.146.237.0/25
Down right: 66.146.237.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.146.237.3	A+PTR	mail.pah.org
66.146.237.65	A+PTR	asa1.drmc.org
66.146.237.65	A	drmgpeds.com
66.146.237.65	A	ohanp.com
66.146.237.68	PTR	68-237-146-66.static.pah.org
66.146.237.68	A	ghx.drmc.org
66.146.237.75	PTR	75-237-146-66.static.pah.org
66.146.237.75	A	hpp1.drmc.org
66.146.237.83	PTR	83-237-146-66.static.pah.org
66.146.237.83	A	phhealthcare.net
66.146.237.86	PTR	86-237-146-66.static.pah.org
66.146.237.86	A	www.clearfieldhosp.org
66.146.237.86	A	clearfieldhosp.org
66.146.237.88	A+PTR	mail.drmc.org
66.146.237.88	A	mail.communitynurses.org
66.146.237.90	PTR	90-237-146-66.static.pah.org
66.146.237.90	A	communitynurses.org
66.146.237.90	A	www.communitynurses.org
66.146.237.150	A+PTR	mail.pcad.edu
66.146.237.151	PTR	zimbra.pcad.edu
66.146.237.152	A+PTR	webmail.pcad.edu