Robtex

Up: 147.4.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 147.4.0.0/17
Down right: 147.4.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
147.4.1.1	PTR	lxhofcdt.hofstra.edu
147.4.1.1	PTR	nagiossc.hofstra.edu
147.4.1.1	PTR	lxbandt1.hofstra.edu
147.4.2.4	A+PTR	huvpn.hofstra.edu
147.4.3.32	A	ldap4.hofstra.edu
147.4.3.171	A+PTR	zapappprod.hofstra.edu
147.4.4.3	A+PTR	slpda2.hofstra.edu
147.4.4.3	A+PTR	hu17.hofstra.edu
147.4.4.25	A+PTR	imap.pride.hofstra.edu
147.4.4.25	A+PTR	pop.pride.hofstra.edu
147.4.5.2	PTR	web2.hofstra.edu
147.4.8.253	A	office.hofstra.edu
147.4.9.3	A	ldaph2.hofstra.edu
147.4.9.3	A	ldap1.hofstra.edu
147.4.9.4	A	ldaph2.hofstra.edu
147.4.9.7	A	netstorage.hofstra.edu
147.4.9.8	A	sftp.hofstra.edu
147.4.12.148	A	ns2.2084arcade.com
147.4.20.3	PTR	lumcalp1.hofstra.edu
147.4.20.3	PTR	myidp.hofstra.edu
147.4.20.67	A	husun67.hofstra.edu
147.4.20.67	A	lumcalt1.hofstra.edu
147.4.20.96	A	prideprint.hofstra.edu
147.4.20.222	A	web2.hofstra.edu
147.4.30.2	A+PTR	hu16.hofstra.edu
147.4.30.2	A+PTR	ns2.hofstra.edu
147.4.30.3	A+PTR	hu15.hofstra.edu
147.4.30.3	A	ns.hofstra.edu
147.4.36.9	A+PTR	vpn.hofstra.edu
147.4.36.10	PTR	asavpnout.hofstra.edu
147.4.36.13	A+PTR	huib-ex-s.hofstra.edu
147.4.36.19	A+PTR	landgw.hofstra.edu
147.4.36.135	A	huib-ex-n.hofstra.edu
147.4.145.22	PTR	dremail.hofstra.edu
147.4.145.22	PTR	drimap.hofstra.edu
147.4.145.22	A+PTR	drpop.hofstra.edu
147.4.145.23	PTR	hu103.hofstra.edu
147.4.145.23	PTR	ns3.hofstra.edu
147.4.149.16	A+PTR	xe.hofstra.edu
147.4.149.94	A+PTR	hofstraonline.hofstra.edu
147.4.149.161	A+PTR	winjenzap.hofstra.edu
147.4.155.206	A+PTR	devicereg.hofstra.edu
147.4.253.100	A+PTR	hofprints.hofstra.edu