Robtex

Up: 75.13.78.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 75.13.79.0/25
Down right: 75.13.79.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
75.13.79.1	A+PTR	admin.illustratus.com
75.13.79.1	A	webserver2.welcomelink.com
75.13.79.1	A	webserver3.illustratus.com
75.13.79.2	A	admin.welcomelink.com
75.13.79.2	A	webserver.welcomelink.com
75.13.79.4	PTR	illustratus.com
75.13.79.4	PTR	abbott.illustratus.com
75.13.79.4	PTR	ami.illustratus.com
75.13.79.9	A	lnxhq-gateway.uhlig.com
75.13.79.12	PTR	api.uhlig.com
75.13.79.12	A	webserver2.welcomelink.com
75.13.79.12	A	www.welcomelink.net
75.13.79.14	A+PTR	secure.welcomelink.com
75.13.79.14	A	secure.condocerts.com
75.13.79.23	A	admin.welcomelink.com
75.13.79.34	A	advocacyconnector.net
75.13.79.34	A	advocacyconnector.org
75.13.79.35	A+PTR	ftp.illustratus.com
75.13.79.35	A	secretagentant.com
75.13.79.35	A	bigjackhammer.com
75.13.79.36	A+PTR	patientresource.com
75.13.79.36	A+PTR	patientresource.net
75.13.79.36	A+PTR	www.patientresource.com
75.13.79.38	A+PTR	advocacyconnector.com
75.13.79.38	A+PTR	m.advocacyconnector.com
75.13.79.38	A+PTR	ums.advocacyconnector.com
75.13.79.76	A	secretagentant.com
75.13.79.76	A	bigjackhammer.com
75.13.79.76	A	testpilotpete.com
75.13.79.130	A+PTR	ns1.uhlig.com
75.13.79.130	A	ns1.welcomelink.com
75.13.79.131	A+PTR	ns2.uhlig.com
75.13.79.131	A	ns2.welcomelink.com
75.13.79.132	A+PTR	mail.uhlig.com
75.13.79.200	A+PTR	qa.uhlig.com
75.13.79.208	A+PTR	edgetransport01.uhlig.com
75.13.79.208	A+PTR	lnxhq-exet01.uhlig.com
75.13.79.208	A	edgetransport.uhlig.com
75.13.79.209	PTR	clientaccess.uhlig.com
75.13.79.209	A	email.uhlig.com
75.13.79.209	A	webmail.uhlig.com
75.13.79.211	A+PTR	www.coxcustommedia.com
75.13.79.211	A	coxcustommedia.com
75.13.79.211	A	mymarketingfactory.com
75.13.79.214	A+PTR	edgetransport2.uhlig.com
75.13.79.214	A+PTR	lnxhq-exet02.uhlig.com
75.13.79.216	A	ecardconnect.com
75.13.79.218	PTR	welcomelinknyc
75.13.79.218	PTR	welcomelink.com
75.13.79.218	PTR	welcomelinknyc.com
75.13.79.219	A+PTR	thenewsletterco.com
75.13.79.221	A+PTR	application2.uhlig.com