Robtex

Up: 72.236.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 72.236.80.0/21
Down right: 72.236.88.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.236.80.29	A	mshagiftshops.com
72.236.80.29	A	myheartandvascular.com
72.236.80.29	A	blueridgeorthopaedics.net
72.236.80.80	PTR	80.msha.com
72.236.80.130	PTR	130.msha.com
72.236.80.144	PTR	144.msha.com
72.236.82.162	A	takomaipacs.org
72.236.83.130	PTR	exchange.saratogaus.com
72.236.86.14	A	mail.providenceacademy.com
72.236.86.122	A	mail.theridges.cc
72.236.86.227	A	mail.landmarkcorp.com
72.236.87.82	A+PTR	72-236-87-82.static.lwav.net
72.236.87.222	A	72-236-87-222.static.lwav.net
72.236.87.230	A	smtp.sescomgt.com
72.236.92.66	A	mooneys.lwav.net
72.236.92.194	A	72-236-92-194.static.lwav.net
72.236.95.3	PTR	mail.dawnofhope.com
72.236.95.130	A+PTR	exchange.cambronins.com