Robtex

Up: 138.122.80.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 138.122.80.0/24
Down right: 138.122.81.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.122.80.47	PTR	138-122-80-47.mobtelecom.com.br
138.122.80.47	A	speedtest.mobtelecom.com.br
138.122.81.5	A	occ-2-343-1380.1.nflxso.net
138.122.81.5	A	occ-1-343-1380.1.nflxso.net
138.122.81.5	A	occ-2-343-1567.1.nflxso.net
138.122.81.27	A	occ-1-343-1380.1.nflxso.net
138.122.81.158	A	jmnetprovedor.com.br
138.122.81.230	A	pmjn.no-ip.org