Robtex

Up: 170.83.180.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 170.83.181.0/25
Down right: 170.83.181.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
170.83.181.107	A+PTR	s1.smartclick.me
170.83.181.107	A	nonagroup.com
170.83.181.107	A	ns2.smartclick.me
170.83.181.225	PTR	170-83-181-225.dufibranet.com.br
170.83.181.225	A	instagram.fdti1-1.fna.fbcdn.net