Robtex

Up: 186.226.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 186.226.32.0/22
Down right: 186.226.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
186.226.32.0	PTR	186-226-32-0.interline.net.br
186.226.34.0	A+PTR	186-226-34-0.interline.net.br
186.226.34.9	PTR	186-226-34-9.interline.net.br
186.226.34.22	A	186-226-34-22.interline.net.br
186.226.34.201	A+PTR	186-226-34-201.interline.net.br
186.226.36.60	PTR	186-226-36-60.interline.net.br
186.226.36.60	A	ideiagood.com
186.226.36.253	PTR	186-226-36-253.interline.net.br
186.226.37.118	PTR	186-226-37-118.interline.net.br
186.226.37.118	A	developerkingdom.net
186.226.37.134	PTR	186-226-37-134.interline.net.br
186.226.37.156	PTR	186-226-37-156.interline.net.br
186.226.37.160	PTR	186-226-37-160.interline.net.br
186.226.37.189	PTR	186-226-37-189.interline.net.br
186.226.38.18	A+PTR	zametal.concordia.psi.br
186.226.38.42	PTR	186-226-38-42.interline.net.br
186.226.38.110	PTR	186-226-38-110.interline.net.br
186.226.38.110	A	conextilive.com.br
186.226.38.130	PTR	ns1.vaccaro.net.br
186.226.38.130	A	grupovaccaro.com.br
186.226.38.130	A	mail.vaccaro.net.br
186.226.38.131	A	ns2.vaccaro.net.br
186.226.38.146	A+PTR	h2o.concordia.psi.br
186.226.38.166	PTR	186-226-38-166.interline.net.br
186.226.38.212	A+PTR	mail2.compufour.net.br
186.226.38.215	PTR	186-226-38-215.interline.net.br
186.226.38.215	A	tandera.compufour.net.br
186.226.38.215	A	tandera.clipp.net.br
186.226.38.216	A	mx2.compufour.com.br
186.226.38.217	A	mail.compufour.com.br
186.226.38.237	PTR	186-226-38-237.interline.net.br
186.226.38.237	A	ges.gdoor.com.br
186.226.38.254	PTR	mail.pittol.com.br
186.226.39.66	PTR	186-226-39-66.interline.net.br
186.226.39.66	A	multynet.com.br
186.226.39.66	A	victoria.multynet.com.br
186.226.39.67	A+PTR	veronica.multynet.com.br
186.226.39.68	PTR	186-226-39-68.interline.net.br
186.226.39.68	A	vanessa.multynet.com.br
186.226.39.95	PTR	186-226-39-95.interline.net.br
186.226.39.95	A	200-180-111-95.multynet.com.br