Robtex

Up: 157.58.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 157.58.192.0/21
Down right: 157.58.200.0/21

IP	Type	Hostname
157.58.193.46	A	kp.daccess.glbdns2.microsoft.com
157.58.193.46	A	kp.daccess.microsoft.com
157.58.193.54	A	kp.daccess.glbdns2.microsoft.com
157.58.193.54	A	kp.daccess.microsoft.com
157.58.193.58	A	kp.daccess.glbdns2.microsoft.com
157.58.193.58	A	kp.daccess.microsoft.com
157.58.193.123	A	kp.daccess.glbdns2.microsoft.com
157.58.193.123	A	kp.daccess.microsoft.com
157.58.193.124	A	tsgw.msit.glbdns2.microsoft.com
157.58.193.124	A	redmondrdg.trafficmanager.net
157.58.193.253	A	kp.daccess.glbdns2.microsoft.com
157.58.193.253	A	kp.daccess.microsoft.com
157.58.194.48	A	gtja198.com
157.58.196.36	A+PTR	cy1lyncsip.mssupport.microsoft.com
157.58.196.41	A	cy1lyncsip.mssupport.microsoft.com
157.58.196.93	A	red1.ras.microsoft.com
157.58.197.5	A+PTR	sb242.sbweb.microsoft.com
157.58.197.8	A+PTR	mail.exchange.microsoft.com
157.58.197.8	A	autodiscover.exchange.microsoft.com
157.58.197.9	A+PTR	primary.exchange.microsoft.com
157.58.197.10	PTR	mail.microsoft.com
157.58.198.10	A	recognitionext.partners.extranet.microsoft.com
157.58.198.12	A	radius.partners.extranet.microsoft.com
157.58.198.15	A	msftext.msitadfs.glbdns2.microsoft.com
157.58.198.15	A	msftext.msitadfs.trafficmanager.net
157.58.198.89	A	edisstsuat.parttest.extranettest.glbdns2.microsoft.com
157.58.198.110	A	suppsugw.css.msn.microsoft.akadns.net
157.58.198.150	A+PTR	licensing-uat1.microsoft.com
157.58.198.156	A	vkbexternal.microsoft.akadns.net
157.58.198.164	A+PTR	licensing-perf2.microsoft.com
157.58.198.190	A	recognitionstagingext.partners.extranet.microsoft.com
157.58.198.205	A	gamedevstore.partners.extranet.microsoft.com
157.58.198.209	A	cp.partners.extranet.microsoft.com
157.58.198.242	A	b2bwebapp3uat.glbdns2.microsoft.com
157.58.198.242	A	b2bwebapp3uat.microsoft.com
157.58.198.249	A	mssolveweb.partners.extranet.microsoft.com
157.58.202.198	A	red1.ras.microsoft.com
157.58.202.200	A	red1.ras.microsoft.com
157.58.202.202	PTR	red2.ras.microsoft.com
157.58.202.230	PTR	red2.ras.microsoft.com
157.58.202.232	PTR	red2.ras.microsoft.com
157.58.202.234	A+PTR	red5.ras.microsoft.com
157.58.203.6	A	red5.ras.microsoft.com
157.58.203.8	A+PTR	red5.ras.microsoft.com
157.58.203.10	A+PTR	red5.ras.microsoft.com
157.58.204.128	A	notificationservicesitaoc.parttest.extranettest.microsoft.com
157.58.204.130	A	omaportaluatsvcs.parttest.extranettest.microsoft.com
157.58.204.164	A	sopservicesiteoc.parttest.extranettest.microsoft.com
157.58.206.132	A+PTR	duschy644macas001.microsoft.com
157.58.206.132	A	duschy644uschl1ap.microsoft.com
157.58.206.132	A	duschy644sbc51.microsoft.com