Robtex

Up: 65.54.210.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 65.54.211.0/25
Down right: 65.54.211.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
65.54.211.61	PTR	intl.msn.com
65.54.211.61	A+PTR	feeds.msn.com.br
65.54.211.61	PTR	copa.br.msn.com
65.54.211.62	A+PTR	intlred.msn.com
65.54.211.89	A+PTR	test2.msn.com
65.54.211.90	A+PTR	test4.msn.com
65.54.211.90	A	feeds2.msn.com
65.54.211.143	A	pdomns1.msn-int.com
65.54.211.143	A	ms.melbourneit.com
65.54.211.147	A+PTR	frameit-int.com
65.54.211.148	A+PTR	ns1-int.wlcddns.com
65.54.211.148	A	dnscore.domains.live-int.com
65.54.211.148	A	dyndns.domains.live-int.com
65.54.211.149	A+PTR	ns2-int.wlcddns.com
65.54.211.158	A+PTR	pdauth-int.com
65.54.211.158	A	www.pdauth-int.com