Robtex

Up: 179.96.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 179.96.240.0/21
Down right: 179.96.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
179.96.240.0	PTR	179-96-240-0.outcenter.com.br
179.96.241.207	A+PTR	179-96-241-207.outcenter.com.br
179.96.241.218	A+PTR	179-96-241-218.outcenter.com.br
179.96.241.232	A	179-96-241-232.outcenter.com.br
179.96.241.233	A+PTR	179-96-241-233.outcenter.com.br
179.96.244.98	PTR	mail.outcenter.com.br
179.96.244.134	A+PTR	179-96-244-134.outcenter.com.br
179.96.246.100	A+PTR	179-96-246-100.outcenter.com.br
179.96.249.131	PTR	cpanel.hoteldatacenter.com.br
179.96.249.131	A	ns1.fertemp.com
179.96.249.131	A	mail.fertemp.com
179.96.249.132	PTR	dnsonly.hoteldatacenter.com.br
179.96.250.76	A+PTR	179-96-250-76.outcenter.com.br
179.96.250.76	A	r1.sn-v0ujxouxgcg-8j2e.c.android.clients.google.com
179.96.250.76	A	r1.sn-v0ujxouxgcg-8j2e.gvt1.com
179.96.250.77	PTR	179-96-250-77.outcenter.com.br
179.96.250.78	PTR	179-96-250-78.outcenter.com.br
179.96.250.156	A+PTR	179-96-250-156.outcenter.com.br
179.96.250.187	A	179-96-250-187.outcenter.com.br
179.96.251.139	A+PTR	179-96-251-139.outcenter.com.br
179.96.252.201	A+PTR	179-96-252-201.outcenter.com.br
179.96.253.18	A+PTR	179-96-253-18.outcenter.com.br
179.96.253.38	A+PTR	179-96-253-38.outcenter.com.br
179.96.253.38	A	speed.outcenter.com.br
179.96.253.114	A+PTR	179-96-253-114.outcenter.com.br
179.96.253.114	A	gramense.com.br
179.96.253.155	A+PTR	179-96-253-155.outcenter.com.br
179.96.254.136	A+PTR	179-96-254-136.outcenter.com.br