Robtex

Up: 64.4.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 64.4.48.0/21
Down right: 64.4.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.4.48.1	A+PTR	ns2-01.azure-dns.net
64.4.48.1	A	ns1prod.6913.azuredns-prd.info
64.4.48.1	A	ns2prod.20932.azuredns-prd.org
64.4.48.2	PTR	ns2-02.azure-dns.net
64.4.48.3	PTR	ns2-03.azure-dns.net
64.4.48.201	A	ns2prod.arpa-201.azuredns-prd.org
64.4.48.201	A	ns2prod.6403.azuredns-prd.org
64.4.48.201	A	ns2-201.azure-dns.net
64.4.48.208	A+PTR	ns2-208.azure-dns.net
64.4.48.208	A	hensconsulting.com
64.4.48.208	A	nsp2.bdm.microsoftonline.com
64.4.48.224	A+PTR	ns2-224.azure-dns.net
64.4.48.224	A	ns2prod.122.azuredns-prd.org
64.4.48.224	A	ns2prod.41087.azuredns-prd.org
64.4.48.225	A+PTR	ns2-225.azure-dns.net
64.4.50.111	A	internal.ap.messenger.msn.com.nsatc.net
64.4.50.139	A	msnbot-64-4-50-139.search.msn.com
64.4.50.140	A	msnbot-64-4-50-140.search.msn.com
64.4.50.141	A	msnbot-64-4-50-141.search.msn.com
64.4.50.143	A	msnbot-64-4-50-143.search.msn.com
64.4.50.148	A	msnbot-64-4-50-148.search.msn.com
64.4.50.149	A	msnbot-64-4-50-149.search.msn.com
64.4.50.150	A	msnbot-64-4-50-150.search.msn.com
64.4.50.151	A	msnbot-64-4-50-151.search.msn.com
64.4.50.164	A	msnbot-64-4-50-164.search.msn.com
64.4.50.167	A	msnbot-64-4-50-167.search.msn.com
64.4.50.168	A	msnbot-64-4-50-168.search.msn.com
64.4.50.170	A	msnbot-64-4-50-170.search.msn.com
64.4.50.176	A	msnbot-64-4-50-176.search.msn.com
64.4.50.177	A	msnbot-64-4-50-177.search.msn.com
64.4.50.184	A	msnbot-64-4-50-184.search.msn.com
64.4.52.4	PTR	vlan200.bay-6nx-off-1b.ntwk.msn.net
64.4.52.7	PTR	hotmail.com.mx
64.4.52.25	PTR	b.calendars.office.microsoft.com
64.4.52.30	PTR	businesscentralserver2007.com
64.4.52.30	PTR	microsoftoffice2007.com
64.4.52.30	PTR	microsoftoffice2007.net
64.4.52.33	A+PTR	b.officeupdate.microsoft.com
64.4.52.33	A	officeupdate.office.microsoft.com.nsatc.net
64.4.52.53	A+PTR	b.i.office.microsoft.com
64.4.52.53	A	i.office.microsoft.com.nsatc.net
64.4.52.56	A	services.office.microsoft.com.nsatc.net
64.4.52.57	A+PTR	b.config.office.microsoft.com
64.4.52.88	PTR	beta.update.microsoft.com
64.4.52.120	A	down.saservicesprep.microsoft.com
64.4.52.121	PTR	mt.saservicesprep.microsoft.com
64.4.52.121	A	wlc.update.microsoft.com
64.4.52.122	A+PTR	saservicesprep.microsoft.com
64.4.52.125	A	profiletest1.microsoft.com
64.4.53.6	PTR	vlan108.sv1-f6x-int-1b.ntwk.msn.net
64.4.53.11	A	hal.pmese.com
64.4.53.12	A	dsgw-perf.stress.pmese.com
64.4.53.13	A	262_02_enrichment_si.eu.pmese.com
64.4.53.15	A	transaction.windowsmobile-perf.com
64.4.54.3	PTR	po17-217.bay-6nx-srch-1a.ntwk.msn.net
64.4.54.3	A	ocdus.trafficmanager.net
64.4.54.7	A	leoniegibbons.com
64.4.54.7	A	hotmail.pn
64.4.54.7	A	hotmail.com.uz
64.4.54.16	PTR	msnbot-64-4-54-16.search.msn.com
64.4.54.18	A	fe3.delivery.dsp.mp.microsoft.com.nsatc.net
64.4.54.22	A	msnbot-64-4-54-22.search.msn.com
64.4.54.22	A	statsfe2.ws.microsoft.com.nsatc.net
64.4.54.22	A	s2.statsupdate.microsoft.com.nsatc.net
64.4.54.32	A	vortex-sandbox.data.glbdns2.microsoft.com
64.4.54.36	A	msnbot-64-4-54-36.search.msn.com
64.4.54.36	A	cy2.licensing.md.mp.microsoft.com.akadns.net
64.4.54.38	A	cy2.licensingphone.md.mp.microsoft.com.akadns.net
64.4.54.49	PTR	bay20-psv.bay20.hotmail.com
64.4.54.49	A	controls.account.microsoft.com.akadns.net
64.4.54.49	A	controls.account.microsoft.com
64.4.54.50	A	displaycatalog-uswest.md.mp.microsoft.com.akadns.net
64.4.54.50	A	cy2.displaycatalog.md.mp.microsoft.com.akadns.net
64.4.54.74	A	api.pinpoint.microsoft.com
64.4.54.80	A	uswest-proxy-public-http.reco.mp.microsoft.com.akadns.net
64.4.54.96	A	dev.windows.com
64.4.54.98	A	array201-prod.dodsp.mp.microsoft.com.nsatc.net
64.4.54.99	A	array202-prod.dodsp.mp.microsoft.com.nsatc.net
64.4.54.99	A	array202-prod.do.dsp.mp.microsoft.com
64.4.54.103	PTR	cy2.spserv.microsoft.com
64.4.54.113	A	paymentinstruments.md.mp.microsoft.com.akadns.net
64.4.54.113	A	cy2.paymentinstruments.cp.microsoft.com.akadns.net
64.4.54.113	A	west-paymentinstruments.cp.microsoft.com.akadns.net
64.4.54.133	A	unistorehome-ppe.www.microsoft.com
64.4.54.133	A	unistorehome-ppe.unistore.akadns.net
64.4.54.139	A	modrskfe-ust-rk-ldc1-cy2.apslb.cp.microsoft.com
64.4.54.146	A+PTR	msnbot-64-4-54-146.search.msn.com
64.4.54.153	A	oca.watson.data.microsoft.com.akadns.net
64.4.54.153	A	msnbot-64-4-54-153.search.msn.com
64.4.54.164	A	msnbot-64-4-54-164.search.msn.com
64.4.54.165	A	beta.urs.microsoft.com
64.4.54.165	A	x.urs.microsoft.com
64.4.54.165	A	msnbot-64-4-54-165.search.msn.com
64.4.54.211	PTR	msnbot-64-4-54-211.search.msn.com
64.4.54.211	A	oca.legacy.watson.data.microsoft.com.akadns.net
64.4.54.214	A	frontdoor.glbdns2.microsoft.com
64.4.54.214	A	jcmsfd-defaultgeo-prod.trafficmanager.net
64.4.54.214	A	msnbot-64-4-54-214.search.msn.com
64.4.54.228	A	smartscreen.microsoft.com.nsatc.net
64.4.54.237	A	ratingsedge-origin.rnr.microsoft.com.akadns.net
64.4.54.238	A	fulfillment-useast.md.mp.microsoft.com.akadns.net
64.4.54.238	A	cy2.fulfillment.md.mp.microsoft.com.akadns.net
64.4.54.240	A	sts.delivery.dsp.mp.microsoft.com.nsatc.net
64.4.54.242	A	cy2.inv.microsoftstore.akadns.net
64.4.54.246	A	picasso-int.dsx.mp.microsoft.com.akadns.net
64.4.54.247	A	pinpoint.dce.mp.microsoft.com.akadns.net
64.4.55.12	A	bay0-g1-003.bay0.hotmail.com
64.4.55.18	A	bay0-g1-009.bay0.hotmail.com
64.4.55.27	A	bay0-g1-018.bay0.hotmail.com
64.4.55.28	A	bay0-g1-019.bay0.hotmail.com
64.4.55.29	A	bay0-g1-020.bay0.hotmail.com
64.4.55.37	A	bay0-g2-013.bay0.hotmail.com
64.4.55.48	A	bay0-dcs.bay0.hotmail.com
64.4.55.48	A	aav.bay0.hotmail.com
64.4.55.103	A	bay0-g2-030.bay0.hotmail.com
64.4.55.117	A	bay0-cip07.bay0.hotmail.com
64.4.55.120	A+PTR	cip.bay0.hotmail.com
64.4.55.158	A	mail.rmsconsulting.com
64.4.55.158	A	www.rmsconsulting.com
64.4.55.158	A	3dscanstudio.com
64.4.56.7	A	origin.bay145.mail.live.com
64.4.56.39	A	origin.bay147.mail.live.com
64.4.56.39	A	bay147.mail.live.com.akadns.net
64.4.56.39	A	origin.by147w.bay147.mail.live.com
64.4.56.55	A	origin.by148w.bay148.mail.live.com
64.4.56.74	A	by149ds.bay149.mail.services.live.com
64.4.56.87	A	origin.by150w.bay150.mail.live.com
64.4.56.103	A	origin.bay151.mail.live.com
64.4.56.119	A	origin.bay152.mail.live.com
64.4.56.183	A	origin.by156w.bay156.mail.live.com
64.4.56.183	A	bay156.afx.ms
64.4.56.186	A	by156ds.bay156.mail.services.live.com
64.4.56.199	A	origin.bay157.mail.live.com
64.4.57.38	A	cal-xs02.cal.hotmail.com
64.4.58.10	A	www.cyfn.net
64.4.58.10	A	cyfn.net
64.4.58.70	PTR	p_stpsh_f_r_6~1.bay-f6f-wmkt-1b.ntwk.msn.net
64.4.59.3	PTR	po31-156.by2-6nx-sup-1b.ntwk.msn.net
64.4.59.82	A	services.apps.microsoft.com.nsatc.net
64.4.59.84	A	appdev.microsoft.com
64.4.59.173	A	dns4.jp.msft.net
64.4.59.173	A	nse2.msft.net
64.4.59.173	A	dns3.jp.msft.net
64.4.59.247	PTR	nexus.passport.com
64.4.60.7	A	dav.bay0.hotmail.msn.com
64.4.61.26	A	baymsg1010702.gateway.edge.messenger.live.com
64.4.61.28	A	baymsg1010704.gateway.edge.messenger.live.com
64.4.61.31	A	baymsg1010707.gateway.edge.messenger.live.com
64.4.61.34	A+PTR	baymsg1010710.gateway.edge.messenger.live.com
64.4.61.34	A	baymsg1010710.gateway.messenger.live.com
64.4.61.35	A+PTR	baymsg1010711.gateway.edge.messenger.live.com
64.4.61.37	A	baymsg1010713.gateway.edge.messenger.live.com
64.4.61.48	A+PTR	baymsg1010724.gateway.edge.messenger.live.com
64.4.61.49	A+PTR	baymsg1010725.gateway.edge.messenger.live.com
64.4.61.50	A+PTR	baymsg1010726.gateway.edge.messenger.live.com
64.4.61.51	PTR	baymsg1010727.gateway.edge.messenger.live.com
64.4.61.52	A	baymsg1010728.gateway.edge.messenger.live.com
64.4.61.67	A	baymsg1010801.gateway.edge.messenger.live.com
64.4.61.68	A+PTR	baymsg1010802.gateway.edge.messenger.live.com
64.4.61.69	PTR	baymsg1010803.gateway.edge.messenger.live.com
64.4.61.70	A	baymsg1010804.gateway.edge.messenger.live.com
64.4.61.71	A	baymsg1010805.gateway.edge.messenger.live.com
64.4.61.80	A+PTR	baymsg1010814.gateway.edge.messenger.live.com
64.4.61.81	A+PTR	baymsg1010815.gateway.edge.messenger.live.com
64.4.61.82	A+PTR	baymsg1010816.gateway.edge.messenger.live.com
64.4.61.83	A+PTR	baymsg1010817.gateway.edge.messenger.live.com
64.4.61.96	PTR	baymsg1010830.gateway.edge.messenger.live.com
64.4.61.97	A+PTR	baymsg1010831.gateway.edge.messenger.live.com
64.4.61.98	A+PTR	baymsg1010832.gateway.edge.messenger.live.com
64.4.61.106	A	baymsg1010840.gateway.edge.messenger.live.com
64.4.61.109	A	baymsg1020101.gateway.edge.messenger.live.com
64.4.61.112	PTR	baymsg1020104.gateway.edge.messenger.live.com
64.4.61.113	A+PTR	baymsg1020105.gateway.edge.messenger.live.com
64.4.61.114	A	baymsg1020106.gateway.edge.messenger.live.com
64.4.61.115	A+PTR	baymsg1020107.gateway.edge.messenger.live.com
64.4.61.117	A	baymsg1020109.gateway.edge.messenger.live.com
64.4.61.128	A+PTR	baymsg1020120.gateway.edge.messenger.live.com
64.4.61.129	A+PTR	baymsg1020121.gateway.edge.messenger.live.com
64.4.61.130	PTR	baymsg1020122.gateway.edge.messenger.live.com
64.4.61.131	A+PTR	baymsg1020123.gateway.edge.messenger.live.com
64.4.61.132	A	baymsg1020124.gateway.edge.messenger.live.com
64.4.61.148	A	baymsg1020140.gateway.edge.messenger.live.com
64.4.61.151	A	baymsg1020201.gateway.edge.messenger.live.com
64.4.61.152	A	baymsg1020202.gateway.edge.messenger.live.com
64.4.61.153	A	baymsg1020203.gateway.edge.messenger.live.com
64.4.61.160	PTR	baymsg1020210.gateway.edge.messenger.live.com
64.4.61.161	A+PTR	baymsg1020211.gateway.edge.messenger.live.com
64.4.61.162	A+PTR	baymsg1020212.gateway.edge.messenger.live.com
64.4.61.163	A+PTR	baymsg1020213.gateway.edge.messenger.live.com
64.4.61.166	A	baymsg1020216.gateway.edge.messenger.live.com
64.4.61.176	A	baymsg1020226.gateway.edge.messenger.live.com
64.4.61.177	A	baymsg1020227.gateway.edge.messenger.live.com
64.4.61.178	A+PTR	baymsg1020228.gateway.edge.messenger.live.com
64.4.61.180	A	baymsg1020230.gateway.edge.messenger.live.com
64.4.61.194	A	baymsg1020302.gateway.edge.messenger.live.com
64.4.61.195	A	baymsg1020303.gateway.edge.messenger.live.com
64.4.61.203	A	baymsg1020311.gateway.edge.messenger.live.com
64.4.61.204	A	baymsg1020312.gateway.edge.messenger.live.com
64.4.61.208	A+PTR	baymsg1020316.gateway.edge.messenger.live.com
64.4.61.209	A+PTR	baymsg1020317.gateway.edge.messenger.live.com
64.4.61.210	A+PTR	baymsg1020318.gateway.edge.messenger.live.com
64.4.61.211	A+PTR	baymsg1020319.gateway.edge.messenger.live.com
64.4.61.226	A+PTR	baymsg1020334.gateway.edge.messenger.live.com
64.4.61.232	A	baymsg1020340.gateway.edge.messenger.live.com
64.4.61.253	A	echo.edge.messenger.live.com
64.4.61.253	A	echo.edge.msnmessenger.msn.com.akadns.net
64.4.61.253	A	echo.edge.es.messenger.msn.com.nsatc.net
64.4.62.30	A	jump.com
64.4.62.34	A	www.jump.com
64.4.62.35	A	sync.jump.com
64.4.62.36	A	ad1.jump.com
64.4.62.37	A	content0.jump.com
64.4.62.123	A	ch.adecn.com
64.4.62.125	A	ad.fed.adecn.com.nsatc.net
64.4.62.125	A	ad.fed.adecn.com
64.4.63.43	PTR	irc.teq.org
64.4.63.122	PTR	bay-6nf-mcs-2a.ntwk.msn.net
64.4.63.135	A	paix-osr-a.us.msn.net
64.4.63.151	A	law5-rsp-b.us.msn.net
64.4.63.154	A	law-osr-a.us.msn.net
64.4.63.167	PTR	bay-6nb-ess-1b.ntwk.msn.net
64.4.63.167	A	dev-rsp-b.hotmail.com
64.4.63.172	A	svc-rsp-a.jsnet.com
64.4.63.173	A	svc-rsp-b.jsnet.com
64.4.63.182	A	bay-6nf-hot-6a.msn.net
64.4.63.231	A+PTR	law-6np-hot-8b.msn.net
64.4.63.232	A+PTR	law-6np-hot-9a.msn.net
64.4.63.233	A	law-6np-hot-9b.msn.net
64.4.63.234	A	law-6np-hot-10a.msn.net