Robtex

Up: 170.138.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 170.138.32.0/20
Down right: 170.138.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
170.138.32.23	A+PTR	mail.wpsmail.ixt.com
170.138.32.36	A	sentinelgrouponline.com
170.138.32.36	A	www.sentinelgrouponline.com
170.138.32.45	PTR	pl-mxrelay03.emdeon.com
170.138.32.194	A+PTR	cert.accessportal.emdeon.com
170.138.32.199	A	carecomm-cert.emdeon.com
170.138.32.200	A	office.emdeon.com
170.138.32.202	A	officemail.emdeon.com
170.138.32.204	A	webmdbusinessservices.com
170.138.32.224	A	www.emdeondental.com
170.138.32.224	A	emdeondental.com
170.138.32.224	A	webmddental.com
170.138.32.226	PTR	equiclaim.com
170.138.32.226	A+PTR	www.equiclaim.com
170.138.32.242	PTR	patinepayonline.com
170.138.32.242	PTR	wwww.patientpayonline.com
170.138.32.242	PTR	patientpayonline.com
170.138.34.3	A	its.emdeon.com
170.138.34.6	A+PTR	www.emdeon.com
170.138.34.6	A	www.medi.com
170.138.34.6	A	webmdbusinessservices.com
170.138.34.37	PTR	pitneybowesepay.com.pitneybowesepay.com
170.138.34.37	PTR	pitneybowesepay.com
170.138.34.37	A	www.pitneybowesepay.com
170.138.34.39	A+PTR	cert.commnetwork.emdeon.com
170.138.34.43	A	assistant-cert.emdeon.com
170.138.34.44	A+PTR	ppolgateway.ixt.com
170.138.34.67	A	healthcareu.com
170.138.34.96	A	providerdirect.findyourdoc.com
170.138.34.96	A	www.findyourdoc.com
170.138.34.96	A	aon-api.findyourdoc.com
170.138.34.105	PTR	trueview.changehealthcare.com
170.138.34.158	A+PTR	identityiq.changehealthcare.com
170.138.39.84	A+PTR	vpnportal.emdeon.com
170.138.39.84	A+PTR	z-memcf-ivp-01.emdeon.com
170.138.39.85	A	vpnportal.emdeon.com
170.138.40.46	A+PTR	identityiq.changehealthcare.com
170.138.40.48	A	client-support.changehealthcare.com
170.138.40.60	A	www.hedis.com
170.138.40.62	A	iba.changehealthcare.com
170.138.40.125	A	feelookup.com