Robtex

Up: 204.79.194.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 204.79.195.0/25
Down right: 204.79.195.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.79.195.7	A	glb1.glbdns.microsoft.com
204.79.195.9	PTR	vlan862.ams-f6x-ecn-1a.ntwk.msn.net
204.79.195.10	PTR	vlan862.ams-f6x-ecn-1b.ntwk.msn.net
204.79.195.16	A+PTR	glb4.glbdns2.microsoft.com
204.79.195.17	A+PTR	glb1.glbdns2.microsoft.com
204.79.195.21	A+PTR	g1i.msft.net
204.79.195.36	A	tm-stage2.msft.net
204.79.195.37	A	int1.azuredns-cloud.net
204.79.195.37	A	ns1int.3944.azuredns-int.info
204.79.195.37	A	ns1int.3964.azuredns-int.org
204.79.195.41	A+PTR	g1.msft.net
204.79.195.41	A	tm1.dns-tm.com
204.79.195.41	A	tm1.msft.net
204.79.195.43	PTR	prd1.azuredns-cloud.net
204.79.195.43	A	ns1prod.47.azuredns-prd.org
204.79.195.43	A	ns1prod.8509.azuredns-prd.org
204.79.195.48	PTR	prd3.azuredns-cloud.net
204.79.195.48	A	ns1prod.6893.azuredns-prd.info
204.79.195.48	A	ns1prod.226.azuredns-prd.info