Robtex

Up: 199.89.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 199.89.96.0/22
Down right: 199.89.100.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.89.99.21	A	bkinns.ms.com
199.89.99.74	PTR	hqinbh4.ms.com
199.89.103.10	A+PTR	piinbcgw01.ms.com
199.89.103.11	A	piinbcgw02.ms.com
199.89.103.55	A+PTR	pimtaext01.ms.com
199.89.103.55	A	mx.morganstanley.com
199.89.103.55	A	mx2.ms.com
199.89.103.56	A	mx.morganstanley.com
199.89.103.56	A	mx2.ms.com
199.89.103.56	A	pimtaext02.ms.com
199.89.103.57	A	mx.morganstanley.com
199.89.103.57	A	mx2.ms.com
199.89.103.57	A	pimtaext03.ms.com
199.89.103.58	PTR	pimtaext04.ms.com
199.89.103.58	A	mx.morganstanley.com
199.89.103.68	A	pimtaint01.ms.com
199.89.103.69	A	pimtaint02.ms.com
199.89.103.72	A	pimtabm02.ms.com
199.89.103.73	A+PTR	pimtaint03.ms.com
199.89.103.85	PTR	pidindns02.ms.com
199.89.103.85	A	c.ns.msdw.net
199.89.103.85	A	c.ns.oxheadcapital.com
199.89.103.165	PTR	ns-ext2.morganstanley.net
199.89.103.165	A	d.ns.masfunds.com
199.89.103.165	A	d.ns.morganstanley.it