Robtex

Up: 72.237.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.237.32.0/22
Down right: 72.237.36.0/22

IP	Type	Hostname
72.237.36.44	A	72-237-36-44.static.lwav.net
72.237.36.105	PTR	72-237-36-105.static.lwav.net
72.237.37.2	PTR	72-237-37-2.static.telescan.tel
72.237.37.2	A	72-237-37-2.static.lwav.net
72.237.37.182	A	mail.sfoxlaw.com