Robtex

Up: 143.44.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 143.44.128.0/18
Down right: 143.44.192.0/18

IP	Type	Hostname
143.44.192.7	PTR	gatekeeper.lawrence.edu
143.44.192.10	A+PTR	ns1.lawrence.edu
143.44.200.12	A	lumail.lawrence.edu
143.44.200.14	A+PTR	www.lawrence.edu
143.44.200.14	A	lawrence.edu
143.44.200.35	A	www.lawrentian.com