Robtex

Up: 170.82.54.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 170.82.54.0/25
Down right: 170.82.54.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
170.82.54.36	PTR	36.54.82.170.masterdata.net.br
170.82.54.128	A	ns1.lrtxkivhfjfkreoh.us
170.82.54.128	A	ns3.lrtxkivhfjfkreoh.us
170.82.54.128	A	lrtxkivhfjfkreoh.us
170.82.54.132	PTR	132.54.82.170.masterdata.net.br