Robtex

Up: 66.119.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 66.119.144.0/22
Down right: 66.119.148.0/22

IP	Type	Hostname
66.119.144.157	A	fe2.update.microsoft.com.nsatc.net
66.119.147.46	A	fp1-sin.ds.msft.com.akadns.net
66.119.147.131	A	diagnostics.support.microsoft.akadns.net
66.119.147.133	A	support2.microsoft.com
66.119.148.46	A	contegotech.crm.dynamics.com
66.119.148.47	A	contegotech.api.crm.dynamics.com
66.119.148.62	A	dev-amadrivereducation.crm.dynamics.com
66.119.148.62	A	energytransfer.crm.dynamics.com
66.119.148.63	A	dev-amadrivereducation.api.crm.dynamics.com
66.119.149.220	A	userpresence.gtm.xboxlive.com
66.119.149.230	A	sessiondirectory.gtm.xboxlive.com
66.119.150.137	A	msppservice.dce.mp.microsoft.com.akadns.net
66.119.150.142	A	connectus.trafficmanager.net
66.119.150.155	A	jitadminuatpr.one.microsoft.com
66.119.150.163	A	wpa.one.trafficmanager.net