Robtex

Up: 204.15.64.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.15.65.3	PTR	static-204-15-65-3.websense.com
204.15.65.33	PTR	static-204-15-65-33.websense.com
204.15.65.38	PTR	static-204-15-65-38.websense.com
204.15.65.43	PTR	static-204-15-65-43.websense.com
204.15.65.73	PTR	static-204-15-65-73.websense.com
204.15.65.80	PTR	tw.download.websense.com
204.15.65.131	PTR	static-204-15-65-131.websense.com
204.15.65.131	A	access.websense.com
204.15.65.132	PTR	static-204-15-65-132.websense.com
204.15.65.132	A	access.websense.com
204.15.65.142	PTR	static-204-15-65-142.websense.com
204.15.65.143	PTR	static-204-15-65-143.websense.com
204.15.65.146	PTR	static-204-15-65-146.websense.com
204.15.65.154	PTR	static-204-15-65-154.websense.com
204.15.65.154	A	esgsd2.websense.com
204.15.65.156	PTR	static-204-15-65-156.websense.com
204.15.65.156	A	esgsd1.websense.com
204.15.65.157	A+PTR	esgsd6.websense.com
204.15.65.158	PTR	esgsd2.websense.com
204.15.65.160	A+PTR	esgsd.websense.com
204.15.65.164	PTR	static-204-15-65-164.websense.com
204.15.65.168	PTR	static-204-15-65-168.websense.com
204.15.65.168	A	longhornatx.com
204.15.65.176	PTR	static-204-15-65-176.websense.com
204.15.65.183	PTR	static-204-15-65-183.websense.com
204.15.65.198	PTR	hsrp-204-15-65-198.websense.com
204.15.65.199	A	wbsnamer2.com
204.15.65.204	PTR	static-204-15-65-204.websense.com
204.15.65.209	PTR	static-204-15-65-209.websense.com
204.15.65.219	PTR	static-204-15-65-219.websense.com
204.15.65.223	PTR	static-204-15-65-223.websense.com
204.15.65.223	A+PTR	sftp-us.websense.com
204.15.65.223	A+PTR	xfr-us.websense.com
204.15.65.226	PTR	static-204-15-65-226.websense.com
204.15.65.226	A	smtp1.tritondemo.com
204.15.65.226	A	tritonapx.com
204.15.65.232	PTR	static-204-15-65-232.websense.com
204.15.65.234	PTR	static-204-15-65-234.websense.com
204.15.65.235	PTR	static-204-15-65-235.websense.com
204.15.65.247	PTR	broadcast-204-15-65-247.websense.com