Robtex

Up: 205.236.80.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 205.236.80.0/24
Down right: 205.236.81.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
205.236.80.15	PTR	ganymede.mmmicnet.com
205.236.80.15	A	auraphyt.com
205.236.80.15	A	heidersdorf.com
205.236.80.31	A+PTR	mtmstores.com
205.236.81.36	A+PTR	mail.phsc.edu
205.236.81.38	A	imap.phsc.edu
205.236.81.253	PTR	mail.phsc.edu