Robtex

Up: 138.204.132.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 138.204.132.0/25
Down right: 138.204.132.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.204.132.10	PTR	server.interk.com.br
138.204.132.10	A	adminacu.com.br
138.204.132.10	A	pnsaminacu.com.br
138.204.132.20	PTR	20.interk.com.br
138.204.132.20	A	hostk.com.br
138.204.132.20	A	centroautomotivodeusconosco.com
138.204.132.21	PTR	ns1.interk.com.br
138.204.132.21	A	ns1.hostk.com.br
138.204.132.22	A+PTR	ns2.interk.com.br
138.204.132.22	A	ns2.hostk.com.br
138.204.132.23	A+PTR	ns3.interk.com.br
138.204.132.23	A	ns3.hostk.com.br
138.204.132.24	A+PTR	ns4.interk.com.br
138.204.132.24	A	ns4.hostk.com.br
138.204.132.24	A	ns4.dnacriacao.com.br
138.204.132.29	PTR	cast-control.com.br
138.204.132.88	PTR	88.123.204.138.venonconnect.com
138.204.132.128	PTR	128.123.204.138.venonconnect.com
138.204.132.232	PTR	232.123.204.138.venonconnect.com