Robtex

Up: 66.178.128.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 66.178.130.0/24
Down right: 66.178.131.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.178.130.34	A	server.rwpotter.com
66.178.130.34	A	mail.rwpotter.com
66.178.130.83	PTR	66-178-130-83.eugnor53.rionetworks.com
66.178.130.83	A	pmtoportal.com
66.178.130.83	A	isiiportal.net
66.178.130.91	A+PTR	pluto.oslc.org
66.178.130.205	A	descretemail.org
66.178.130.209	PTR	seiner.com
66.178.130.209	A	mail.seiner.com
66.178.130.209	A	datavault.us
66.178.131.1	A+PTR	blazer-gw1.ripcity.com
66.178.131.2	A+PTR	portal.ripcity.com
66.178.131.4	A	web4.ripcity.com
66.178.131.6	PTR	web6.rosecitydigital.com
66.178.131.8	A	blazer-gw2.ripcity.com
66.178.131.9	A	blazer-sw1.ripcity.com
66.178.131.10	PTR	ascn.tv
66.178.131.11	A+PTR	blazer-sw4510.ripcity.com
66.178.131.12	PTR	actionsportsmedia.com
66.178.131.15	PTR	postup.com
66.178.131.16	A	blazer-sw2.ripcity.com
66.178.131.20	PTR	rosequarter.com
66.178.131.42	A	greenliveportland.com
66.178.131.44	A	lists.blazers.com
66.178.131.60	A+PTR	access.ripcity.com
66.178.131.104	A+PTR	rwn4.ripcity.com
66.178.131.110	A+PTR	rwn10.ripcity.com
66.178.131.124	A	cas3.ripcity.com
66.178.131.125	A	hoops.ripcity.com
66.178.131.126	A+PTR	webmail.ripcity.com
66.178.131.127	A	cas1.ripcity.com
66.178.131.128	A	cas2.ripcity.com
66.178.131.128	A	www.ripcity.com
66.178.131.129	A	mail.ripcity.com
66.178.131.130	A	paint.ripcity.com
66.178.131.132	A	rebound.ripcity.com
66.178.131.135	PTR	www.rosequarter.com
66.178.131.137	A+PTR	tmss.ripcity.com
66.178.131.138	A	btv.ripcity.com
66.178.131.138	A	suites.rosequarter.com
66.178.131.144	A	creative.ripcity.com
66.178.131.145	A+PTR	broadcast.ripcity.com
66.178.131.160	A	webchat.ripcity.com
66.178.131.162	A+PTR	ultiweb.ripcity.com
66.178.131.171	A+PTR	ftp.ripcity.com
66.178.131.219	A	crmproxy.ripcity.com
66.178.131.237	A	lync.ripcity.com
66.178.131.244	A	homecourt.ripcity.com
66.178.131.251	A	nat.ripcity.com
66.178.131.253	A+PTR	usher.ripcity.com