Robtex

Up: 144.49.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 144.49.192.0/22
Down right: 144.49.196.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
144.49.192.23	A+PTR	brm-dns-ext1.brocade.com
144.49.192.24	A	brm-dns-ext2.brocade.com
144.49.192.30	A	downloads.brocade.com
144.49.192.36	A	av.mcdata.com
144.49.193.13	A	it.mcdata.com
144.49.193.13	A	media.mcdata.com
144.49.193.13	A	sanav.mcdata.com
144.49.193.16	A+PTR	brocadeassist.com
144.49.193.16	A+PTR	ibm-old.brocadeassist.com
144.49.193.16	A+PTR	ibmtest.brocadeassist.com
144.49.193.19	PTR	brocadeconnect.com
144.49.193.19	PTR	wwwtest.brocadeconnect.com
144.49.193.37	A	foundrynet.net
144.49.193.37	A	foundrynet.org
144.49.197.2	A	brm-mailgate-1.brocade.com
144.49.197.3	A	brm-mailgate-2.brocade.com
144.49.197.11	A	featureactivation.com
144.49.197.11	A	www.featureactivation.com
144.49.198.14	A	rsl.brocade.com
144.49.198.30	A+PTR	mail.t11.org
144.49.198.30	A	t11.org
144.49.198.45	A	pspaccess.brocade.com