Robtex

Up: 186.211.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 186.211.128.0/21
Down right: 186.211.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
186.211.128.54	A+PTR	dns2.commcorp.net.br
186.211.128.54	A	dns2.commcorp.com.br
186.211.128.54	A	dns06.mpdft.mp.br
186.211.128.169	PTR	vl108-acc01.spo.commcorp.net.br
186.211.130.198	PTR	186-211-130-198.commcorp.net.br
186.211.133.0	PTR	186-211-133-0.commcorp.net.br
186.211.133.1	PTR	186-211-133-1.commcorp.net.br
186.211.133.2	PTR	186-211-133-2.commcorp.net.br
186.211.133.3	PTR	186-211-133-3.commcorp.net.br
186.211.133.16	PTR	186-211-133-16.commcorp.net.br
186.211.133.17	PTR	186-211-133-17.commcorp.net.br
186.211.133.18	PTR	186-211-133-18.commcorp.net.br
186.211.133.19	PTR	186-211-133-19.commcorp.net.br
186.211.133.32	PTR	186-211-133-32.commcorp.net.br
186.211.133.33	PTR	186-211-133-33.commcorp.net.br
186.211.133.34	PTR	186-211-133-34.commcorp.net.br
186.211.133.35	PTR	186-211-133-35.commcorp.net.br
186.211.133.48	PTR	186-211-133-48.commcorp.net.br
186.211.133.49	PTR	186-211-133-49.commcorp.net.br
186.211.133.50	PTR	186-211-133-50.commcorp.net.br
186.211.133.51	PTR	186-211-133-51.commcorp.net.br
186.211.133.64	PTR	186-211-133-64.commcorp.net.br
186.211.133.65	PTR	186-211-133-65.commcorp.net.br
186.211.133.66	PTR	186-211-133-66.commcorp.net.br
186.211.133.67	PTR	186-211-133-67.commcorp.net.br
186.211.133.80	PTR	186-211-133-80.commcorp.net.br
186.211.133.81	PTR	186-211-133-81.commcorp.net.br
186.211.133.82	PTR	186-211-133-82.commcorp.net.br
186.211.133.83	PTR	186-211-133-83.commcorp.net.br
186.211.133.115	PTR	186-211-133-115.commcorp.net.br
186.211.133.115	A	web.szd.com.br
186.211.133.116	PTR	186-211-133-116.commcorp.net.br
186.211.133.116	A	salomaoezoppi.com.br
186.211.133.116	A	ns1.salomaoezoppi.com.br
186.211.143.31	A	rj31.bndes.gov.br
186.211.143.37	A	rj37.ebndes.gov.br
186.211.143.38	A	rj38.ebndes.gov.br