Robtex

Up: 66.119.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.119.144.0/21
Down right: 66.119.152.0/21
(Some of the IP numbers are capped at 3 entries)

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
66.119.152.24	A	ude-stg.support.microsoft.com
66.119.152.24	A	ude-stg.support.microsoft.akadns.net
66.119.152.25	A	filetransfer.support.microsoft.com
66.119.152.201	A	internal.beta.bingads.glbdns2.microsoft.com
66.119.152.201	A	internal.beta.bingads.microsoft.com
66.119.152.201	A	internal.bingads.glbdns2.microsoft.com
66.119.152.204	A	bingads.glbdns2.microsoft.com
66.119.152.205	A	bingads.glbdns2.microsoft.com
66.119.152.209	A	sts.advertising.microsoft.com
66.119.152.209	A	sts.advertising.glbdns2.microsoft.com
66.119.154.24	A	dominos.quikorder.com
66.119.154.51	A	ns1.crm5.dynamics.com
66.119.154.52	A	disco.crm5.dynamics.com
66.119.155.28	A	plateformevdn.crm4.dynamics.com
66.119.156.51	A	ns2.crm5.dynamics.com
66.119.156.52	A	disco.crm5.dynamics.com
66.119.156.112	A	gnesrev.com
66.119.157.212	A	sip.lgma.ie
66.119.157.212	A	sip.dunavant.com
66.119.157.212	A	sip.thedigitalriver.net