Robtex

Up: 192.133.104.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.133.105.0/25
Down right: 192.133.105.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.133.105.226	A+PTR	ns1.atlantic.edu
192.133.105.227	A+PTR	catbox.atlantic.edu
192.133.105.227	A	amatol.atlantic.edu
192.133.105.227	A	www.atlantic.edu
192.133.105.228	PTR	lists.atlantic.edu
192.133.105.229	A+PTR	libproxy.atlantic.edu
192.133.105.230	PTR	acccpg.atlantic.edu
192.133.105.232	PTR	acccmktweb.atlantic.edu
192.133.105.233	A+PTR	acccweb1.atlantic.edu
192.133.105.235	A	itsmail.atlantic.edu