Robtex

Up: 179.97.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 179.97.80.0/23
Down right: 179.97.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
179.97.80.30	PTR	as28361-179-97-80-30.rrconect.com.br
179.97.80.34	PTR	ns1.rrconect.com.br
179.97.80.34	A	net.rrconect.com.br
179.97.80.34	A	net.sistemapdo.com
179.97.80.35	PTR	ns2.rrconect.com.br
179.97.80.186	A+PTR	186-80-97-179.rrconect.com.br
179.97.80.250	A+PTR	250-80-97-179.rrconect.com.br
179.97.82.0	A	0-82-97-179.rrconect.com.br
179.97.82.22	A+PTR	22-82-97-179.rrconect.com.br
179.97.83.0	A	0-83-97-179.rrconect.com.br
179.97.83.210	A+PTR	210-83-97-179.rrconect.com.br