Robtex

Up: 8.192.172.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 8.192.172.0/24
Down right: 8.192.173.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
8.192.172.1	A	ns1.tenethealth.com
8.192.172.11	A	mail.etenet.com
8.192.172.14	A	vpnweb.tenethealth.com
8.192.172.14	A	vpnweb.gtm.tenethealth.com
8.192.172.16	A	perotsystem.com
8.192.172.21	A	sdc.etenet.com
8.192.172.36	A	portal.etenet.com
8.192.172.63	A	checkboxweb.etenet.com
8.192.172.73	A	cpcservicesweb.coniferhealth.com
8.192.172.74	A	paybill.tenethealth.com
8.192.172.75	A	coniferhealth.com
8.192.172.77	A	dmc.org
8.192.172.77	A	www.resolutehealth.com
8.192.172.77	A	delraymedicalctr.com
8.192.172.78	A	sftp.coniferhealth.com
8.192.172.101	A	www.etenet.com
8.192.172.101	A	tenetmd.com
8.192.172.101	A	www.tenetmd.com
8.192.172.102	A	secure.etenet.com
8.192.172.110	A	paybillv5.coniferhealth.com
8.192.172.112	A	pvl.tenethealth.com
8.192.172.119	A	service-prep.tenethealth.com
8.192.172.126	A	clientportal.coniferhealth.com
8.192.172.126	A	icon.coniferhealth.com
8.192.172.140	A	webmail2.tenethealth.com
8.192.172.141	A	fmc-campus-hws.etenet.com
8.192.172.141	A	desertregional-hws.etenet.com
8.192.172.142	A	www.doctorshospitaldallas.com
8.192.172.142	A	tenetjobs.com
8.192.172.142	A	www.sphn-pmh.com
8.192.172.152	A	www.tenetexitsurvey.com
8.192.172.152	A	tenetexitsurvey.com
8.192.172.156	A	capcredential.com
8.192.172.159	A	physicianportal.etenet.com
8.192.172.181	A	mytenet.com
8.192.172.181	A	www.mytenet.com
8.192.172.194	A	etenetapps.com
8.192.172.195	A	etenetappsmdl.com
8.192.172.211	A	ps360-c.tenethealth.com
8.192.172.219	A	capcms.com
8.192.172.219	A	www.capcms.com
8.192.172.226	A	citrix.etenet.com
8.192.172.232	A	airwatch.tenethealth.com
8.192.172.233	A	baptistpho.com
8.192.172.233	A	www.livelightertoday.com
8.192.172.233	A	chicagoortho.com
8.192.172.234	A	valleysurgicalweightloss.com
8.192.172.234	A	relianthomehealthsa.com
8.192.172.234	A	internalmedandspa.com
8.192.172.243	A	cbizhcs.com
8.192.172.243	A	www.eshealthpartners.com
8.192.172.243	A	rwjpopulationhealth.com