Robtex

Up: 201.87.248.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 201.87.248.0/24
Down right: 201.87.249.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.87.249.0	PTR	host-201-87-249-0.logteltelecom.com.br
201.87.249.2	PTR	host-201-87-249-2.logteltelecom.com.br
201.87.249.2	A	occ-2-2020-1123.1.nflxso.net
201.87.249.2	A	occ-1-2020-27.1.nflxso.net
201.87.249.5	PTR	host-201-87-249-5.logteltelecom.com.br
201.87.249.6	PTR	host-201-87-249-6.logteltelecom.com.br
201.87.249.6	A	occ-1-2020-27.1.nflxso.net
201.87.249.9	PTR	host-201-87-249-9.logteltelecom.com.br
201.87.249.11	PTR	host-201-87-249-11.logteltelecom.com.br
201.87.249.12	PTR	host-201-87-249-12.logteltelecom.com.br
201.87.249.18	PTR	host-201-87-249-18.logteltelecom.com.br
201.87.249.24	PTR	host-201-87-249-24.logteltelecom.com.br
201.87.249.38	PTR	ns2.altelecom.com.br
201.87.249.66	PTR	host-201-87-249-66.logteltelecom.com.br
201.87.249.71	PTR	host-201-87-249-71.logteltelecom.com.br
201.87.249.76	PTR	host-201-87-249-76.logteltelecom.com.br
201.87.249.88	PTR	host-201-87-249-88.logteltelecom.com.br
201.87.249.96	PTR	host-201-87-249-96.logteltelecom.com.br
201.87.249.108	PTR	host-201-87-249-108.logteltelecom.com.br
201.87.249.132	PTR	host-201-87-249-132.logteltelecom.com.br
201.87.249.153	PTR	host-201-87-249-153.logteltelecom.com.br
201.87.249.156	PTR	host-201-87-249-156.logteltelecom.com.br
201.87.249.157	PTR	host-201-87-249-157.logteltelecom.com.br
201.87.249.161	PTR	host-201-87-249-161.logteltelecom.com.br
201.87.249.164	PTR	host-201-87-249-164.logteltelecom.com.br
201.87.249.189	PTR	host-201-87-249-189.logteltelecom.com.br
201.87.249.190	PTR	host-201-87-249-190.logteltelecom.com.br
201.87.249.192	PTR	host-201-87-249-192.logteltelecom.com.br
201.87.249.227	PTR	host-201-87-249-227.logteltelecom.com.br
201.87.249.231	PTR	host-201-87-249-231.logteltelecom.com.br
201.87.249.241	PTR	host-201-87-249-241.logteltelecom.com.br
201.87.249.246	PTR	host-201-87-249-246.logteltelecom.com.br