Robtex

Up: 187.17.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 187.17.172.0/23
Down right: 187.17.174.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
187.17.173.34	PTR	ns1.ecomp.com.br
187.17.173.34	A	pecompe.com.br
187.17.173.34	A	satellite.ecomp.com.br
187.17.173.35	PTR	mx.ecomp.com.br
187.17.173.58	A	netserver.kidy.com.br
187.17.173.145	A	tissuniodontolins.com.br
187.17.174.180	A	camarabirigui.sp.gov.br
187.17.174.207	A	eteclins.com.br
187.17.174.253	A	www.microwaynet.com.br
187.17.174.253	A	mwf.microwaynet.com.br