Robtex

Up: 138.11.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 138.11.0.0/22
Down right: 138.11.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.11.0.81	A	south.matrox.com
138.11.0.82	A+PTR	south2.matrox.com
138.11.1.10	A+PTR	python.matrox.com
138.11.1.10	A	mirage.matrox.com
138.11.1.12	A	stalker.stalker.matrox.com
138.11.2.17	A+PTR	newlustria0.matrox.com
138.11.2.32	A	remote.matrox.com
138.11.2.33	A+PTR	partners.matrox.com
138.11.2.35	A	inet.matrox.com
138.11.2.38	A	m.matrox.com
138.11.2.40	A+PTR	remotesupport.matrox.com
138.11.2.50	A	yulavayaonexm.matrox.com
138.11.2.55	A	matrox.biz
138.11.2.55	A	matrox.com
138.11.2.61	A+PTR	oasis.matrox.net
138.11.2.63	A+PTR	www1.matrox.com
138.11.2.64	A+PTR	www2.matrox.com
138.11.2.65	PTR	www.matrox.com
138.11.2.65	A	matrox.biz
138.11.2.65	A	matrox.com
138.11.2.66	PTR	forum.matrox.com
138.11.2.67	PTR	shopmatrox.matrox.com
138.11.2.73	A+PTR	hftp.matrox.com
138.11.2.74	A+PTR	privftp.matrox.com
138.11.2.75	A+PTR	mobile1.matrox.com
138.11.2.76	A	mobile.matrox.com
138.11.2.80	A	noldor-real.matrox.com
138.11.2.81	A+PTR	noldor.matrox.com
138.11.2.82	A	lustria-real.matrox.com
138.11.2.83	A+PTR	lustria.matrox.com
138.11.2.90	A+PTR	mtxmxout0.matrox.com
138.11.2.91	A	mtxmxout1.matrox.com
138.11.2.92	A	mtxmxout2.matrox.com
138.11.2.93	A+PTR	mtxmxout3.matrox.com
138.11.2.96	A+PTR	mtxmxout6.matrox.com
138.11.2.97	A	mtxmxout7.matrox.com
138.11.2.98	A+PTR	mtxmxout8.matrox.com
138.11.2.99	A+PTR	mtxmxout9.matrox.com
138.11.2.110	A+PTR	newsletter1.newsletters.matrox.com
138.11.2.112	A+PTR	newsletter.newsletters.matrox.com
138.11.2.113	PTR	newsletterout0.newsletters.matrox.com
138.11.2.113	A	newsletterout0.matrox.com
138.11.2.114	A+PTR	newsletterout1.newsletters.matrox.com
138.11.2.115	A+PTR	newsletterout2.newsletters.matrox.com
138.11.2.116	A	newsletterout0.matrox.com
138.11.2.121	A+PTR	newsletterout0.matrox.com
138.11.2.151	A+PTR	voem.matrox.com
138.11.2.152	A+PTR	webservices.matrox.com
138.11.2.153	A+PTR	rma.matrox.com
138.11.2.154	A+PTR	vpg-new.matrox.com
138.11.2.154	A	vpg.matrox.com
138.11.2.163	A	vpgtest.matrox.com
138.11.2.164	A	voemtest.matrox.com
138.11.2.165	A	webservicestest.matrox.com
138.11.2.199	A+PTR	webshoptest.shopmatrox.com
138.11.2.210	A+PTR	newsletterout0.matrox.com
138.11.2.211	A+PTR	newsletterout0.matrox.com
138.11.2.212	A+PTR	newsletterout0.matrox.com
138.11.2.213	A+PTR	newsletterout0.matrox.com
138.11.2.214	A	newsletterout0.matrox.com
138.11.2.215	A	newsletterout0.matrox.com
138.11.2.216	A+PTR	newsletterout0.matrox.com