Robtex

Up: 192.148.196.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.148.197.0/25
Down right: 192.148.197.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.148.197.10	A	aegir.mc.com
192.148.197.11	A+PTR	gymer.mc.com
192.148.197.37	A	certifiable-cots.com
192.148.197.37	A	www.ces-swap.com
192.148.197.37	A	creativeelectronicsystems.com
192.148.197.42	PTR	idc.mc.com
192.148.197.44	A+PTR	ns1.mrcy.com
192.148.197.44	A	ns1.mc.com
192.148.197.45	A+PTR	ns2.mrcy.com
192.148.197.45	A	ns2.mc.com
192.148.197.47	A+PTR	filetransfer.mrcy.com
192.148.197.48	A	gms1.mc.com
192.148.197.49	A+PTR	sftp2.mrcy.com
192.148.197.49	A	ftp2.mc.com
192.148.197.49	A	sftp.mc.com
192.148.197.50	A	ftp.mc.com
192.148.197.52	A	customers.mc.com
192.148.197.52	A	customers.mrcy.com
192.148.197.53	A+PTR	extma1.mrcy.com
192.148.197.53	A	extma1.mc.com
192.148.197.53	A	extma1.mercurycomputersystems.com
192.148.197.54	PTR	mail2.mrcy.com
192.148.197.54	A	mail2.mc.com
192.148.197.57	A+PTR	feedback.mc.com
192.148.197.58	A+PTR	mail1.mrcy.com
192.148.197.58	A	mymrcy.com
192.148.197.58	A	mail1.mc.com
192.148.197.60	A+PTR	mobile.mc.com
192.148.197.69	A	ocrp1-afrl.mc.com
192.148.197.72	PTR	lmco.mc.com
192.148.197.73	A+PTR	gnu.mc.com
192.148.197.77	PTR	myriad.mc.com
192.148.197.79	PTR	www.digitalif.com
192.148.197.80	A+PTR	zodiac.mc.com
192.148.197.83	A+PTR	tgsdemo.mc.com
192.148.197.84	PTR	customers.mc.com
192.148.197.85	A+PTR	xqp.mc.com
192.148.197.86	A	xqp2.mc.com
192.148.197.135	A	www.echotek.com
192.148.197.135	A	*.lnxcorp.com
192.148.197.135	A	lnxcorp.com