Robtex

Up: 191.243.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 191.243.216.0/22
Down right: 191.243.220.0/22

IP	Type	Hostname
191.243.216.2	A+PTR	garanhuns.bluenet.com.br
191.243.216.2	A	www.bluenet.com.br
191.243.216.2	A	bluenet.com.br
191.243.216.3	A	aspen.bluenet.com.br
191.243.216.4	PTR	moscou.bluenet.com.br
191.243.216.11	A+PTR	bariloche.bluenet.com.br