Robtex

Up: 37.252.230.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 37.252.231.0/25
Down right: 37.252.231.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.252.231.2	A+PTR	server22901.teamviewer.com
37.252.231.3	A+PTR	server22902.teamviewer.com
37.252.231.4	A+PTR	server22903.teamviewer.com
37.252.231.5	A	server22904.teamviewer.com
37.252.231.6	A+PTR	server22905.teamviewer.com
37.252.231.11	A+PTR	anx-lg-ie-dub01.anexia-it.com
37.252.231.34	PTR	dublin.tigerbackbone.com
37.252.231.34	A	dbl.tigervpn.com
37.252.231.35	PTR	customer.tigerbackbone.com
37.252.231.50	A+PTR	s496.pingdom.com
37.252.231.82	PTR	server22906.teamviewer.com
37.252.231.83	A	server22907.teamviewer.com
37.252.231.84	A+PTR	server22908.teamviewer.com
37.252.231.85	A+PTR	server22909.teamviewer.com
37.252.231.86	A	server22910.teamviewer.com
37.252.231.97	PTR	cr-01.0v-06-56.anx14.dub.ie.anexia-it.com
37.252.231.106	A	dublin.remotepc.com
37.252.231.114	A	ie.phantom.avira-vpn.com
37.252.231.114	A	vpn-zone-ie.phantom.avira-vpn.net
37.252.231.114	A	zone-ie.phantom.avira-vpn.net
37.252.231.122	A	vpn-zone-ie.phantom.avira-vpn.net
37.252.231.122	A	zone-ie.phantom.avira-vpn.net
37.252.231.132	A+PTR	ie-dub-anx-r001.teamviewer.com
37.252.231.132	A	router15.rlb.teamviewer.com
37.252.231.132	A	routerpool14.rlb.teamviewer.com
37.252.231.133	A+PTR	ie-dub-anx-r002.teamviewer.com
37.252.231.133	A	router16.dyntest.teamviewer-test.com
37.252.231.133	A	router16.rlb.teamviewer.com
37.252.231.134	A+PTR	ie-dub-anx-r003.teamviewer.com
37.252.231.134	A	router1.rlb.teamviewer.com
37.252.231.134	A	router1.dyntest.teamviewer-test.com
37.252.231.135	A+PTR	ie-dub-anx-r004.teamviewer.com
37.252.231.135	A	router2.dyntest.teamviewer-test.com
37.252.231.135	A	router2.rlb.teamviewer.com
37.252.231.136	A+PTR	ie-dub-anx-r005.teamviewer.com
37.252.231.136	A	router3.dyntest.teamviewer-test.com
37.252.231.136	A	router3.rlb.teamviewer.com
37.252.231.137	A+PTR	ie-dub-anx-r006.teamviewer.com
37.252.231.137	A	routerpool4.rlb.teamviewer.com
37.252.231.137	A	routerpool5.rlb.teamviewer.com