Robtex

Up: 217.146.20.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 217.146.20.0/24
Down right: 217.146.21.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.146.20.11	PTR	ns3.teamviewer.com
217.146.20.34	A+PTR	5581112-8203.server.anx-cus.net
217.146.20.34	A	klinikrente.de
217.146.20.44	A+PTR	ns03.anexia.at
217.146.20.44	A	ns03.trustedshops.net
217.146.20.66	PTR	cr-01.0v-03-59.anx82.fra.de.anexia-it.com
217.146.20.76	A	marccain.se
217.146.20.76	A	marc-cain.com
217.146.20.76	A	marccain.org
217.146.20.85	A	phpmyadmin-ufp.teamviewer.com
217.146.20.85	A	ufp.teamviewer.com
217.146.20.177	A	awigo.org
217.146.20.220	A	myfuehrerschein.de
217.146.20.220	A	www.my-fuehrerschein.de
217.146.20.241	A	mx.de.easy-exchange.cloud
217.146.21.2	A+PTR	server21501.teamviewer.com
217.146.21.3	A+PTR	server21502.teamviewer.com
217.146.21.4	A+PTR	server21503.teamviewer.com
217.146.21.5	A+PTR	server21504.teamviewer.com
217.146.21.6	A+PTR	server21505.teamviewer.com
217.146.21.34	A	lx2-aip9wahm.wtfast.com
217.146.21.46	A	luxembourg.remotepc.com
217.146.21.50	PTR	vps-lux.agents.thousandeyes.com
217.146.21.57	PTR	cr-01.0v-06-56.anx24.lux.lu.anexia-it.com
217.146.21.132	A+PTR	lu-lux-anx-r001.teamviewer.com
217.146.21.132	A	router12.rlb.teamviewer.com
217.146.21.132	A	router12.dyntest.teamviewer-test.com
217.146.21.133	A+PTR	lu-lux-anx-r002.teamviewer.com
217.146.21.134	A+PTR	lu-lux-anx-r003.teamviewer.com
217.146.21.134	A	router14.dyntest.teamviewer-test.com
217.146.21.135	A+PTR	lu-lux-anx-r004.teamviewer.com
217.146.21.135	A	router15.rlb.teamviewer.com
217.146.21.136	A+PTR	lu-lux-anx-r005.teamviewer.com
217.146.21.136	A	router16.dyntest.teamviewer-test.com
217.146.21.136	A	router16.rlb.teamviewer.com
217.146.21.137	A+PTR	lu-lux-anx-r006.teamviewer.com
217.146.21.138	A+PTR	lu-lux-anx-r007.teamviewer.com
217.146.21.139	A+PTR	lu-lux-anx-r008.teamviewer.com
217.146.21.140	A+PTR	lu-lux-anx-r009.teamviewer.com
217.146.21.141	A+PTR	lu-lux-anx-r010.teamviewer.com