Robtex

Up: 192.42.152.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.42.153.0/25
Down right: 192.42.153.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.42.153.1	A+PTR	rtr1.malone.edu
192.42.153.50	A+PTR	malone.edu
192.42.153.50	A+PTR	student.malone.edu
192.42.153.50	A+PTR	www.malone.edu
192.42.153.52	A+PTR	web2.malone.edu
192.42.153.54	A+PTR	helpdesk.malone.edu
192.42.153.59	A	dev.malone.edu
192.42.153.60	PTR	smtp.malone.edu
192.42.153.70	PTR	smtp.malone.edu
192.42.153.72	A	userid.malone.edu
192.42.153.100	A+PTR	ns1.malone.edu
192.42.153.100	A+PTR	ntp.malone.edu
192.42.153.102	A+PTR	ns2.malone.edu
192.42.153.110	PTR	michael.malone.edu
192.42.153.110	A+PTR	smtp.malone.edu
192.42.153.110	PTR	smtp.student.malone.edu
192.42.153.121	A	mail.malone.edu
192.42.153.121	A	email.malone.edu
192.42.153.160	A+PTR	jics.malone.edu
192.42.153.160	A+PTR	studentinfo.malone.edu
192.42.153.162	A	pioneer.malone.edu
192.42.153.166	A+PTR	netpartner.malone.edu
192.42.153.176	A	store.malone.edu
192.42.153.191	A	dlmedia.malone.edu
192.42.153.193	PTR	theaviso.org
192.42.153.193	PTR	blog.malone.edu
192.42.153.193	PTR	day10.malone.edu
192.42.153.198	A	ill.malone.edu
192.42.153.210	A+PTR	webmail.malone.edu
192.42.153.210	A	ntp.malone.edu
192.42.153.210	A	ga.malone.edu
192.42.153.250	A+PTR	remote.malone.edu