Robtex

Up: 188.172.216.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 188.172.217.0/25
Down right: 188.172.217.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.172.217.36	A	server25701.teamviewer.com
188.172.217.37	A+PTR	server25702.teamviewer.com
188.172.217.38	A+PTR	server25703.teamviewer.com
188.172.217.39	A+PTR	server25704.teamviewer.com
188.172.217.40	A+PTR	server25705.teamviewer.com
188.172.217.41	A+PTR	server25706.teamviewer.com
188.172.217.42	A	server25707.teamviewer.com
188.172.217.43	A+PTR	server25708.teamviewer.com
188.172.217.44	PTR	188-172-217-44.zygoill.com
188.172.217.45	A+PTR	server25710.teamviewer.com
188.172.217.53	PTR	customer.tigerbackbone.com
188.172.217.71	A+PTR	jnbgw-mcu01.mspa.n-able.com
188.172.217.72	A+PTR	jnbgw-mct02.mspa.n-able.com
188.172.217.100	A	dakysushis.com
188.172.217.101	PTR	188-172-217-101.zygoill.com
188.172.217.101	A	mammamiaci.com
188.172.217.101	A	olivespizzeria.com
188.172.217.129	PTR	cr-01.0v-07-92.anx67.jnb.za.anexia-it.com
188.172.217.130	A	c1-za-3.algolia.io
188.172.217.130	A	c1-za-3.algolianet.com
188.172.217.158	PTR	188-172-217-158.zygoill.com
188.172.217.158	A	za7-05cgu9eh.wtfast.com
188.172.217.166	A	johannesburg.remotepc.com
188.172.217.196	PTR	188-172-217-196.zygoill.com
188.172.217.196	A	za-jnb-anx-r001.teamviewer.com
188.172.217.197	PTR	188-172-217-197.zygoill.com
188.172.217.198	PTR	188-172-217-198.zygoill.com
188.172.217.198	A	za-jnb-anx-r003.teamviewer.com
188.172.217.199	PTR	188-172-217-199.zygoill.com
188.172.217.199	A	za-jnb-anx-r004.teamviewer.com
188.172.217.200	A	za-jnb-anx-r005.teamviewer.com
188.172.217.203	A	za-jnb-anx-r008.teamviewer.com
188.172.217.205	A	za-jnb-anx-r010.teamviewer.com
188.172.217.208	A	za-jnb-anx-r013.teamviewer.com
188.172.217.210	A	za-jnb-anx-r015.teamviewer.com
188.172.217.239	PTR	188-172-217-239.zygoill.com
188.172.217.240	PTR	188-172-217-240.zygoill.com