Robtex

Up: 192.9.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 192.9.160.0/21
Down right: 192.9.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.9.160.41	PTR	sca11-1700b-v34-192-9-160-41.sun.com
192.9.160.81	PTR	sca11-1700b-lb2s-int.sun.com
192.9.160.82	PTR	sca11-1700b-lb2a-int.sun.com
192.9.162.5	A+PTR	sca11-1700b-scalteon-1a-v23.sun.com
192.9.162.74	A	swc.sun.com
192.9.162.100	PTR	search.sun.com
192.9.162.105	PTR	devapp.sun.com
192.9.164.10	A	ssfe.sun.com
192.9.164.16	PTR	store.java.com
192.9.164.19	A	sun.slx.com
192.9.164.31	A	reman.sun.com
192.9.164.59	A	learning.sun.com
192.9.164.82	A	pkg-na-1.opensolaris.org
192.9.164.100	A	www.projectkenai.com
192.9.164.100	A	projectkenai.com
192.9.164.100	A	network.org
192.9.164.101	A	netbeans2.org
192.9.168.24	PTR	dsc1.sun.com
192.9.170.56	A	mail3.jcp.org
192.9.170.94	A	mail4.jcp.org
192.9.170.172	A	rb.openjdk.java.net
192.9.171.171	A	mailin01.netbeans.org
192.9.171.171	A	mail.network.org
192.9.171.171	A	mailin01.java.net
192.9.171.174	A	mail.network.org