Robtex

Up: 177.128.192.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 177.128.193.0/25
Down right: 177.128.193.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.128.193.6	PTR	177-128.193-6.rev.voanet.br
177.128.193.66	PTR	177-128.193-66.rev.voanet.br
177.128.193.66	A	occ-0-1970-420.1.nflxso.net
177.128.193.66	A	occ-2-1970-1123.1.nflxso.net
177.128.193.106	PTR	177.128.193.106.voanettelecom.com.br
177.128.193.218	PTR	177-128.193-218.rev.voanet.br
177.128.193.218	A	www.frnettelecom.com.br
177.128.193.236	PTR	177-128.193-236.rev.voanet.br
177.128.193.236	A	r1.sn-8v5oxucg-nn5e.googlevideo.com
177.128.193.236	A	r1.sn-8v5oxucg-nn5e.c.android.clients.google.com
177.128.193.237	PTR	177-128.193-237.rev.voanet.br
177.128.193.237	A	r2.sn-8v5oxucg-nn5e.googlevideo.com
177.128.193.237	A	r2.sn-8v5oxucg-nn5e.c.android.clients.google.com