Robtex

Up: 208.78.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.78.12.0/23
Down right: 208.78.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.78.12.35	PTR	dc01.guest.hcr-manorcare.com
208.78.12.38	A+PTR	as02.guest.hcr-manorcare.com
208.78.13.194	PTR	wireless-471
208.78.14.30	A+PTR	519dg-8zzvwd1.guest.hcr-manorcare.com
208.78.14.30	A+PTR	hcr-58d474246b2.guest.hcr-manorcare.com
208.78.14.44	A+PTR	3221dg-9v57bf1.guest.hcr-manorcare.com
208.78.14.86	PTR	521dg-h2tl4g1.guest.hcr-manorcare.com
208.78.14.174	A	4262dg-b0tl4g1.guest.hcr-manorcare.com
208.78.14.174	A	4109dg-b0tl4g1.guest.hcr-manorcare.com
208.78.14.198	A+PTR	493dg-7qwl4g1.guest.hcr-manorcare.com
208.78.14.245	A+PTR	536dg-5rwl4g1.guest.hcr-manorcare.com
208.78.14.246	A+PTR	536dg-7l9qwg1.guest.hcr-manorcare.com
208.78.14.246	PTR	hcr-a35d67c240b.guest.hcr-manorcare.com
208.78.14.251	A+PTR	hcranywhere.com
208.78.15.101	PTR	htpn.com
208.78.15.103	PTR	heartland-pilates.com
208.78.15.103	PTR	parcrehab.com
208.78.15.103	PTR	heartland-pilates.net
208.78.15.105	PTR	hcr-manorcare.com
208.78.15.105	A+PTR	www.devonmanorvirtualtour.com
208.78.15.106	PTR	hcrmanorcare.com
208.78.15.134	A+PTR	ibm000ae4343a3c.guest.hcr-manorcare.com
208.78.15.185	A	ra2.hcr-manorcare.com
208.78.15.227	A+PTR	guest.hcr-manorcare.com
208.78.15.227	A+PTR	dc02.guest.hcr-manorcare.com
208.78.15.227	A+PTR	domaindnszones.guest.hcr-manorcare.com
208.78.15.228	A+PTR	guest.hcr-manorcare.com
208.78.15.228	PTR	dc01.guest.hcr-manorcare.com
208.78.15.228	A+PTR	domaindnszones.guest.hcr-manorcare.com
208.78.15.234	A+PTR	extcoinfoblox.hcr-manorcare.com
208.78.15.234	A+PTR	ns4.hcr-manorcare.com
208.78.15.234	A	ns2.milestonehc.com