Robtex

Up: 191.241.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 191.241.248.0/22
Down right: 191.241.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
191.241.248.6	A	grupoempresarialtb.com.br
191.241.248.6	A	tbloguer.com.br
191.241.248.6	A	sopave.com.br
191.241.250.130	PTR	smtp.engebank.com.br
191.241.250.130	PTR	smtp.engebanc.com.br
191.241.250.130	PTR	pop.engebank.com.br
191.241.250.203	A	extranet.visualcorp.com.br
191.241.250.203	A	www.visualbyte.com.br
191.241.250.203	A	www.visualcorp.com.br
191.241.251.90	PTR	mail.nortene.com.br
191.241.252.8	A	dns4.trf4.jus.br
191.241.252.8	A	dns4.trf4.gov.br
191.241.253.20	PTR	ns1.web2go.com.br
191.241.253.21	PTR	ns1.imatec.com.br
191.241.254.198	A	occ-0-1587-1123.1.nflxso.net
191.241.254.198	A	occ-1-1587-1123.1.nflxso.net
191.241.254.198	A	occ-2-1587-1567.1.nflxso.net
191.241.255.50	A	metasix.solutions