Robtex

Up: 191.3.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 191.3.0.0/20
Down right: 191.3.16.0/20

IP	Type	Hostname
191.3.0.4	A+PTR	191-3-0-4.user3g.veloxzone.com.br
191.3.0.5	A+PTR	191-3-0-5.user3g.veloxzone.com.br
191.3.0.6	A+PTR	191-3-0-6.user3g.veloxzone.com.br
191.3.0.7	A+PTR	191-3-0-7.user3g.veloxzone.com.br
191.3.0.36	A+PTR	191-3-0-36.user3g.veloxzone.com.br
191.3.0.38	A+PTR	191-3-0-38.user3g.veloxzone.com.br
191.3.0.54	A+PTR	191-3-0-54.user3g.veloxzone.com.br
191.3.0.55	A+PTR	191-3-0-55.user3g.veloxzone.com.br
191.3.0.74	A+PTR	191-3-0-74.user3g.veloxzone.com.br
191.3.0.76	A+PTR	191-3-0-76.user3g.veloxzone.com.br
191.3.0.78	A+PTR	191-3-0-78.user3g.veloxzone.com.br
191.3.0.84	A+PTR	191-3-0-84.user3g.veloxzone.com.br
191.3.0.96	A+PTR	191-3-0-96.user3g.veloxzone.com.br
191.3.0.98	A+PTR	191-3-0-98.user3g.veloxzone.com.br
191.3.0.100	A+PTR	191-3-0-100.user3g.veloxzone.com.br
191.3.0.101	A+PTR	191-3-0-101.user3g.veloxzone.com.br
191.3.0.134	A+PTR	191-3-0-134.user3g.veloxzone.com.br
191.3.0.136	A+PTR	191-3-0-136.user3g.veloxzone.com.br
191.3.0.150	A+PTR	191-3-0-150.user3g.veloxzone.com.br
191.3.0.151	A+PTR	191-3-0-151.user3g.veloxzone.com.br
191.3.0.161	A+PTR	191-3-0-161.user3g.veloxzone.com.br
191.3.0.162	A+PTR	191-3-0-162.user3g.veloxzone.com.br
191.3.0.163	A+PTR	191-3-0-163.user3g.veloxzone.com.br
191.3.0.166	A+PTR	191-3-0-166.user3g.veloxzone.com.br
191.3.0.192	A+PTR	191-3-0-192.user3g.veloxzone.com.br
191.3.0.193	A+PTR	191-3-0-193.user3g.veloxzone.com.br
191.3.0.195	A+PTR	191-3-0-195.user3g.veloxzone.com.br
191.3.0.196	A+PTR	191-3-0-196.user3g.veloxzone.com.br
191.3.0.232	A+PTR	191-3-0-232.user3g.veloxzone.com.br
191.3.0.236	A+PTR	191-3-0-236.user3g.veloxzone.com.br
191.3.0.238	A+PTR	191-3-0-238.user3g.veloxzone.com.br
191.3.0.241	A+PTR	191-3-0-241.user3g.veloxzone.com.br
191.3.2.36	A+PTR	191-3-2-36.user3g.veloxzone.com.br
191.3.4.4	A+PTR	191-3-4-4.user3g.veloxzone.com.br
191.3.5.88	A+PTR	191-3-5-88.user3g.veloxzone.com.br
191.3.6.2	PTR	191-3-6-2.host.telemar.net.br
191.3.6.4	A+PTR	191-3-6-4.user3g.veloxzone.com.br
191.3.6.36	A+PTR	191-3-6-36.user3g.veloxzone.com.br
191.3.6.52	A+PTR	191-3-6-52.user3g.veloxzone.com.br
191.3.7.36	A+PTR	191-3-7-36.user3g.veloxzone.com.br
191.3.8.2	PTR	191-3-8-2.host.telemar.net.br
191.3.14.36	A+PTR	191-3-14-36.user3g.veloxzone.com.br
191.3.14.44	A+PTR	191-3-14-44.user3g.veloxzone.com.br
191.3.15.2	PTR	191-3-15-2.host.telemar.net.br
191.3.22.2	PTR	191-3-22-2.host.telemar.net.br