Robtex

Up: 207.46.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 207.46.56.0/22
Down right: 207.46.60.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
207.46.56.3	PTR	po31-563.sin-6nf-2b.ntwk.msn.net
207.46.57.20	A+PTR	sipdirsg10f00.infra.lync.com
207.46.57.36	A	exap.um.outlook.com
207.46.58.2	PTR	po31-388.sin-6nf-2a.ntwk.msn.net
207.46.58.3	PTR	po31-388.sin-6nf-2b.ntwk.msn.net
207.46.58.140	PTR	p_xcg_f_r_207~1.sin-f89-xcg-1a.ntwk.msn.net
207.46.58.150	A+PTR	support-apacnorth.outlook.com
207.46.58.150	A	support.outlook.com.glbdns2.microsoft.com
207.46.58.150	A	support-apacsouth.outlook.com
207.46.58.151	PTR	sinprd0102.outlook.com
207.46.58.216	PTR	sinprd0202.outlook.com
207.46.58.230	A	email.iucc.ac.il
207.46.58.235	PTR	sin.outlook.com
207.46.58.239	PTR	tshoot-sinprd0103.outlook.com
207.46.58.241	PTR	sin.outlook.com
207.46.58.242	PTR	sinprd0102psh.outlook.com
207.46.58.250	A+PTR	wildcard-apacnorth.um.outlook.com
207.46.58.250	A	bl2sdf0102.um.outlook.com
207.46.58.250	A	pod51005.um.outlook.com
207.46.59.66	PTR	po32-150.sin-6nx-cis-1a.ntwk.msn.net
207.46.59.76	A	secure.sds.rdstorage-sg1proda.sg1prdstr01.t.rdst-internal.net
207.46.59.107	PTR	secure.cws.rdstorage-sg1prodb.sg1prdstr01.t.rdst-internal.net
207.46.59.113	PTR	sg1prodb.store.core.windows.net
207.46.59.136	PTR	p_app_f_r_207~1.sin-f6f-1b.ntwk.msn.net
207.46.60.12	A+PTR	awb.jp.msn.com
207.46.60.15	A	discover.windowslive.com
207.46.60.38	A	asiacdn.msn.co.kr
207.46.60.197	PTR	p_asd_f_r_207~1.sin-f6x-1a.ntwk.msn.net
207.46.61.2	PTR	po31-556.sin-6nf-2a.ntwk.msn.net
207.46.61.5	PTR	p_edgcom_f_r_~3.sin-f6x-edgcom-2a.ntwk.msn.net
207.46.61.12	PTR	pde.uaedit.jp.msn.com
207.46.61.22	PTR	sin.gnstools.baseline.msft.net
207.46.61.22	A	dc-tmtest-gtmv1.trafficmanager.net
207.46.61.22	A	dc-tmtest-gtmv1-sin-datacenter.trafficmanager.net
207.46.61.24	A+PTR	saconfig.microsoft.com
207.46.61.26	A	sin.plt.msn.com
207.46.61.32	A	fixitcenter.support.microsoft.akadns.net
207.46.61.32	A	fixitcenter.support.microsoft.com
207.46.61.81	A	sslvip1.sin9.msecn.net
207.46.61.88	PTR	sslvip5.sin9.msecn.net
207.46.61.92	A	world.ficp.support.microsoft.akadns.net
207.46.61.92	A	world.ficp.support.microsoft.com
207.46.62.153	A	smtp.mail.apac.microsoftonline.com
207.46.62.153	A	smtp601.apac.microsoftonline.com
207.46.62.153	A	smtp601.mail.apac.microsoftonline.com
207.46.62.156	A	piperalderman.net.au
207.46.62.161	A	home.microsoftonline.com.nsatc.net
207.46.62.162	A	signinservice.apac.microsoftonline.com
207.46.62.169	A	mail.gingerbreadfolk.com.au
207.46.62.169	A	mail.acmetelepower.com
207.46.62.169	A	mail.sccnops.com
207.46.62.180	A	home.apac.microsoftonline.com
207.46.62.181	A	admin.apac.microsoftonline.com
207.46.62.182	A	partner.apac.microsoftonline.com
207.46.62.223	A	bbadmin.microsoftonline.com.nsatc.net
207.46.63.3	PTR	po31-122.sin-76gmr-mms-1b.ntwk.msn.net
207.46.63.69	PTR	vlan355.sin-f8x-cis-2a.ntwk.msn.net
207.46.63.90	A+PTR	sg1prdapp02.fc.core.windows.net
207.46.63.99	PTR	po31-575.sin-6nf-2b.ntwk.msn.net
207.46.63.137	PTR	207-46-63-137.servicebus.windows.net
207.46.63.138	A+PTR	207-46-63-138.servicebus.windows.net
207.46.63.146	A+PTR	207-46-63-146.servicebus.windows.net
207.46.63.147	A+PTR	207-46-63-147.servicebus.windows.net
207.46.63.152	PTR	207-46-63-152.servicebus.windows.net
207.46.63.154	PTR	207-46-63-154.servicebus.windows.net
207.46.63.155	PTR	207-46-63-155.servicebus.windows.net
207.46.63.159	A	207-46-63-159.servicebus.windows.net
207.46.63.160	A+PTR	207-46-63-160.servicebus.windows.net
207.46.63.162	A+PTR	207-46-63-162.servicebus.windows.net
207.46.63.164	A	207-46-63-164.servicebus.windows.net
207.46.63.165	A	207-46-63-165.servicebus.windows.net
207.46.63.168	A+PTR	207-46-63-168.servicebus.windows.net
207.46.63.170	A+PTR	207-46-63-170.servicebus.windows.net
207.46.63.171	PTR	207-46-63-171.servicebus.windows.net
207.46.63.176	PTR	207-46-63-176.servicebus.windows.net
207.46.63.196	A	207-46-63-196.servicebus.windows.net
207.46.63.200	PTR	207-46-63-200.servicebus.windows.net
207.46.63.202	PTR	207-46-63-202.servicebus.windows.net
207.46.63.209	A+PTR	207-46-63-209.servicebus.windows.net
207.46.63.210	PTR	207-46-63-210.servicebus.windows.net
207.46.63.218	A+PTR	207-46-63-218.servicebus.windows.net
207.46.63.219	A+PTR	207-46-63-219.servicebus.windows.net
207.46.63.225	A+PTR	207-46-63-225.servicebus.windows.net
207.46.63.226	PTR	207-46-63-226.servicebus.windows.net
207.46.63.227	PTR	207-46-63-227.servicebus.windows.net
207.46.63.237	A	207-46-63-237.servicebus.windows.net
207.46.63.241	A+PTR	207-46-63-241.servicebus.windows.net
207.46.63.242	PTR	207-46-63-242.servicebus.windows.net
207.46.63.245	A	207-46-63-245.servicebus.windows.net
207.46.63.248	PTR	207-46-63-248.servicebus.windows.net
207.46.63.249	A+PTR	207-46-63-249.servicebus.windows.net
207.46.63.250	PTR	207-46-63-250.servicebus.windows.net
207.46.63.251	PTR	207-46-63-251.servicebus.windows.net
207.46.63.252	A	207-46-63-252.servicebus.windows.net