Robtex

Up: 209.66.116.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 209.66.116.0/25
Down right: 209.66.116.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.66.116.4	PTR	ns2.designdata.com
209.66.116.4	A	services2.designdata.com
209.66.116.6	A+PTR	netops.designdata.com
209.66.116.7	A	connect.designdata.com
209.66.116.19	A	*.ddsync.com
209.66.116.19	A	mail.ddsync.com
209.66.116.28	A	seanmcveigh.com
209.66.116.41	A	efmetrowashington.org
209.66.116.41	A	efmetrowashington.net
209.66.116.41	A	new.epilepsyfoundation.org
209.66.116.43	A	mail-us.fundacionparalaepilepsia.org
209.66.116.43	A	*.fundacionparalaepilepsia.org
209.66.116.43	A	mail.fundacionparalaepilepsia.org
209.66.116.67	PTR	email.case.org
209.66.116.69	PTR	list.case.org
209.66.116.72	A	caseeurope.org
209.66.116.75	PTR	mail.case.org
209.66.116.81	PTR	mail1.case.org
209.66.116.81	A	mx.case.org
209.66.116.91	A	case-ex2013.case.org
209.66.116.121	A	soc.aascu.org
209.66.116.122	A	racecar01.aascu.org
209.66.116.123	A	aascu.org
209.66.116.123	A	aascupenson.org
209.66.116.123	A	aascupensoncenter.org
209.66.116.150	A+PTR	nacdlweb1.nacdl.org
209.66.116.150	A	spam.nacdl.org
209.66.116.150	A	user120.nacdl.org
209.66.116.179	A	copperinyourhome.org
209.66.116.179	A	60centuries.copper.org
209.66.116.179	A	copper-motor-rotor.org
209.66.116.187	A	mail.aasld.org
209.66.116.217	A	aao-hnsf.org
209.66.116.217	A	entdoctors.org
209.66.116.217	A	aao-hns.org
209.66.116.219	A+PTR	aao-webfe-stage.entnet.org
209.66.116.219	A	aaohns.org
209.66.116.229	A	acec-webapp.acec.org
209.66.116.249	A	alawash.alawash.org
209.66.116.251	A	r1.designdata.com
209.66.116.252	A	r2.designdata.com