Robtex

Up: 52.112.0.0/14
Can't show all results, try to descend to a more specific CIDR
Down left: 52.112.0.0/16
Down right: 52.113.0.0/16
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
52.112.9.91	A	buildingmaterialchina.com
52.112.9.159	A	external.ap.messenger.online.lync.com
52.112.19.128	A	j2jtb.com
52.112.64.11	A	sip.mt-opticom.com
52.112.64.11	A	sipdir.online.lync.com
52.112.64.11	A	sipfed0a.online.lync.com
52.112.64.12	A	dataedgebl20a.online.lync.com
52.112.64.75	A	sipfed0a.online.lync.com
52.112.64.140	A	sipdir.online.lync.com
52.112.65.27	A	sipdir.online.lync.com
52.112.65.37	A	webdir.online.lync.com
52.112.65.203	A	sipfed3a.online.lync.com
52.112.66.11	A	sip.xynics.com
52.112.66.11	A	sipfed3a.online.lync.com
52.112.66.11	A	sip.veo.fi
52.112.66.142	A	webdir.online.lync.com
52.112.67.51	A	sipdir.online.lync.com
52.112.67.53	A	mediaedge2a.online.lync.com
52.112.67.54	A	webdir.online.lync.com
52.112.67.77	A	mediaedge2a.online.lync.com
52.112.67.78	A	webdir.online.lync.com
52.112.67.203	A	sipdir.online.lync.com
52.112.68.77	A	mediaedge0m.online.lync.com
52.112.68.108	A	dataedgedm20m.online.lync.com
52.112.68.109	A	mediaedge0m.online.lync.com
52.112.70.78	A	mediaedge2a.online.lync.com
52.112.80.217	A+PTR	webpoolbl20r02.infra.lync.com
52.112.80.217	A	ring0noammeetings.resources.lync.com
52.112.80.217	A	api.skypeforbusiness.com
52.112.80.219	A+PTR	webpoolbl20r03.infra.lync.com
52.112.80.221	PTR	webpoolbl20r04.infra.lync.com
52.112.81.25	PTR	webpooldm20r02.infra.lync.com
52.112.81.25	A	ring0noammeetings.resources.lync.com
52.112.81.25	A	api.skypeforbusiness.com
52.112.109.4	A	sipfeded1.online.lync.com
52.112.109.6	A	webdired1.online.lync.com
52.112.109.8	A	sippoolwu23a01.westus2.cloudapp.azure.com
52.112.109.9	A	webpoolwu23a01.westus2.cloudapp.azure.com
52.112.133.36	A	external.ap.messenger.online.lync.com
52.112.192.11	A	sipfed2e.online.lync.com
52.112.192.11	A	aurus.co.th
52.112.192.12	A	dataedgeam42e.online.lync.com
52.112.192.13	A	mediaedge2e.online.lync.com
52.112.192.14	A	aurus.co.th
52.112.192.75	A	sipdir.online.lync.com
52.112.192.75	A	sipfed2e.online.lync.com
52.112.192.77	A	mediaedge2e.online.lync.com
52.112.192.139	A	aurus.co.th
52.112.192.142	A	aurus.co.th
52.112.192.206	A	webdir.online.lync.com
52.112.193.78	A	webdir.online.lync.com
52.112.194.10	A	sippooldb41e11.infra.lync.com
52.112.194.11	A	sipfed1e.online.lync.com
52.112.194.11	A	sip.nctcog.org
52.112.194.11	A	sip.nstda.or.th
52.112.194.75	A	sipfed1e.online.lync.com
52.112.196.12	A	webdir3e.online.lync.com
52.112.196.28	A	webpoolam33e06.infra.lync.com
52.112.196.31	A	sippoolam33e09.infra.lync.com
52.112.196.34	A	webpoolam33e09.infra.lync.com
52.112.208.213	A+PTR	webpoolam30r04.infra.lync.com
52.112.208.213	A	emeameetings.resources.lync.com
52.112.209.21	A+PTR	webpooldb40r04.infra.lync.com
52.112.209.21	A	emeameetings.resources.lync.com
52.112.209.102	A	dataedgedb51e.online.lync.com
52.112.234.19	A	ethereal-engineering.com
52.112.234.19	A	bhcnetworks.com
52.112.236.7	A	webpoolne0ed230.northeurope.cloudapp.azure.com
52.112.236.13	A	webdired2.online.lync.com
52.112.237.3	A	webdired4.online.lync.com
52.113.8.31	A	external.ap.messenger.online.lync.com
52.113.64.79	A	dataedgehk20f.online.lync.com
52.113.64.80	A	mediaedge0f.online.lync.com
52.113.64.83	A+PTR	sippoolhk20f10.infra.lync.com
52.113.64.84	A	webpoolhk20f10.infra.lync.com
52.113.64.147	A	sipdir.online.lync.com
52.113.64.149	A	mediaedge0f.online.lync.com
52.113.64.150	A	webdir.online.lync.com
52.113.66.11	A	sipfedjp1.online.lync.com
52.113.66.12	A	dataedgeos2jp1.online.lync.com
52.113.66.13	A	mediaedgejp1.online.lync.com
52.113.66.14	A	webdir.online.lync.com
52.113.66.75	A	sipdir.online.lync.com
52.113.66.75	A	sipfedjp1.online.lync.com
52.113.66.77	A	mediaedgejp1.online.lync.com
52.113.66.147	A	webdir.online.lync.com
52.113.66.203	A	sipdir.online.lync.com
52.113.80.11	A+PTR	sippoolty1jp110.infra.lync.com
52.113.80.13	A+PTR	webpoolty1jp110.infra.lync.com
52.113.80.85	A+PTR	webpoolsg20r04.infra.lync.com
52.113.80.85	A	apacmeetings.resources.lync.com
52.113.80.213	A	apacmeetings.resources.lync.com
52.113.192.2	A+PTR	world52.tr.teams.microsoft.com
52.113.192.155	A+PTR	world52.turn.teams.microsoft.com
52.113.193.5	A+PTR	eu52.tr.teams.microsoft.com
52.113.193.150	A	eu52.turn.teams.microsoft.com
52.113.194.131	A	s-0004.s-msedge.net
52.113.194.132	A	s-0005.s-msedge.net
52.113.194.133	A	s-0006.s-msedge.net
52.113.195.131	A	s-0004.dc-msedge.net
52.113.205.7	A	a-ups-presence5-prod-azsc.northeurope.cloudapp.azure.com