Robtex

Up: 199.244.172.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 199.244.172.0/25
Down right: 199.244.172.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.244.172.12	A	www.planar.net
199.244.172.19	A+PTR	planarworld.planar.com
199.244.172.19	A	planarworld.com
199.244.172.24	PTR	www.planar.com
199.244.172.24	A	planarembedded.com
199.244.172.24	A	*.planardigitalsignage.com
199.244.172.42	A	planartouch.com
199.244.172.42	A	mx.planartouch.com
199.244.172.50	PTR	barbvt01.planar.com
199.244.172.51	A+PTR	autodiscover.planar.com
199.244.172.51	A	webmail.planar.com
199.244.172.52	A+PTR	mail.planar.com
199.244.172.52	A	mail1.runco.com
199.244.172.52	A	mail2.clarityvisual.com
199.244.172.58	A	*.runco.com
199.244.172.101	A+PTR	smtp.planar.com
199.244.172.101	A	planar.planar.com
199.244.172.252	PTR	webmail.planar.com