Robtex

Up: 192.188.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 192.188.160.0/23
Down right: 192.188.162.0/23

IP	Type	Hostname
192.188.163.1	A+PTR	vpn5a.tele.iastate.edu
192.188.163.1	A	vpn.iastate.edu
192.188.163.249	PTR	joshuaginn-server.student.iastate.edu
192.188.163.249	A	emailcredential.com
192.188.163.249	A	securetransfer.org
192.188.163.255	PTR	broadcast-192-188-160-0.iastate.edu