Robtex

Up: 192.65.40.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.65.40.0/25
Down right: 192.65.40.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.65.40.16	A	fw1-bv.tek.com
192.65.40.17	A	fw2-bv.tek.com
192.65.40.24	PTR	www.maxtek.com
192.65.40.24	A	maxtek.com
192.65.40.25	A+PTR	www2.tek.com
192.65.40.25	A	clickforit.intranet.danahertm.com
192.65.40.26	A	tektronixstore.com
192.65.40.26	A	tectronic.com
192.65.40.26	A	dsoscope.com
192.65.40.28	A+PTR	auth.tek.com
192.65.40.30	A	wwwdwn.tek.com
192.65.40.34	A+PTR	mx1-ext.danahertm.com
192.65.40.35	A+PTR	mx2-ext.danahertm.com
192.65.40.128	A+PTR	e-sites.tek.com
192.65.40.131	A	e-sites2.tek.com
192.65.40.132	A+PTR	sso1.tek.com
192.65.40.133	A+PTR	portal1.tek.com
192.65.40.134	PTR	www3.tek.com
192.65.40.134	A	maxtek.com
192.65.40.134	A	tektronixservicesolutions.com
192.65.40.154	PTR	sandpiper.tekcomms.com
192.65.40.154	A	flukecal.dk
192.65.40.154	A	www.lumitron-ir.com
192.65.40.157	A	forum.keithley.com
192.65.40.161	A	direct.tek.com
192.65.40.161	A	keithley.com
192.65.40.161	A	www.keithley.com
192.65.40.164	A+PTR	calwebbeta.tek.com
192.65.40.164	A	calweb.tek.com
192.65.40.167	PTR	auth2.tek.com
192.65.40.167	A	inetsw.inet.com
192.65.40.169	A	service-solutions.tektronix.com
192.65.40.179	A	delivery.flukenetworks.com
192.65.40.179	A	networking.flukenetworks.com
192.65.40.179	A	flukenetworks.com
192.65.40.184	A	tekcomms.jp
192.65.40.185	A+PTR	irrs.tek.com
192.65.40.187	A	airwisecommunity.com
192.65.40.187	A	www.airwisecommunity.com
192.65.40.189	A	airmagnet.com.sg
192.65.40.189	A	airmagnet.org
192.65.40.189	A	airmagnet.sg