Robtex

Up: 177.87.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 177.87.0.0/25
Down right: 177.87.0.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.87.0.0	A+PTR	177-87-0-0.netcell.inf.br
177.87.0.7	PTR	177-87-0-7.netcell.inf.br
177.87.0.8	A	177-87-0-8.netcell.inf.br
177.87.0.18	A+PTR	177-87-0-18.netcell.inf.br
177.87.0.23	A+PTR	177-87-0-23.netcell.inf.br
177.87.0.32	PTR	32.0.87.177.netcell.inf.br
177.87.0.32	A	177-87-0-32.netcell.inf.br
177.87.0.47	A+PTR	177-87-0-47.netcell.inf.br
177.87.0.52	A+PTR	177-87-0-52.netcell.inf.br
177.87.0.53	A+PTR	177-87-0-53.netcell.inf.br
177.87.0.56	A+PTR	177-87-0-56.netcell.inf.br
177.87.0.62	A+PTR	177-87-0-62.netcell.inf.br
177.87.0.67	A+PTR	177-87-0-67.netcell.inf.br
177.87.0.75	A+PTR	177-87-0-75.netcell.inf.br
177.87.0.86	A+PTR	177-87-0-86.netcell.inf.br
177.87.0.87	A+PTR	177-87-0-87.netcell.inf.br
177.87.0.88	A+PTR	177-87-0-88.netcell.inf.br
177.87.0.95	A+PTR	177-87-0-95.netcell.inf.br
177.87.0.115	A+PTR	177-87-0-115.netcell.inf.br
177.87.0.118	A+PTR	177-87-0-118.netcell.inf.br
177.87.0.151	A	177-87-0-151.netcell.inf.br
177.87.0.161	A	177-87-0-161.netcell.inf.br
177.87.0.175	A	177-87-0-175.netcell.inf.br
177.87.0.179	A+PTR	177-87-0-179.netcell.inf.br
177.87.0.207	A+PTR	177-87-0-207.netcell.inf.br
177.87.0.212	PTR	212.0.87.177.netcell.inf.br
177.87.0.212	A	177-87-0-212.netcell.inf.br
177.87.0.223	PTR	223.0.87.177.netcell.inf.br
177.87.0.226	A	sp1.netcell.inf.br
177.87.0.232	A+PTR	177-87-0-232.netcell.inf.br
177.87.0.236	A	177-87-0-236.netcell.inf.br
177.87.0.241	A	177-87-0-241.netcell.inf.br
177.87.0.242	A+PTR	177-87-0-242.netcell.inf.br
177.87.0.242	A	pop.netcell.inf.br
177.87.0.242	A	pop.netcelltelecom.com.br
177.87.0.243	A+PTR	177-87-0-243.netcell.inf.br
177.87.0.247	A+PTR	ns1.netcell.inf.br
177.87.0.248	A+PTR	ns2.netcell.inf.br
177.87.0.252	A+PTR	177-87-0-252.netcell.inf.br