Robtex

Up: 177.12.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 177.12.208.0/21
Down right: 177.12.216.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.12.208.4	A	dns1.nudofilmes.com
177.12.208.4	A	dns1.cisar.ch
177.12.208.4	A	dns1.borna.org
177.12.208.30	A	mail.cisar.ch
177.12.208.30	A	pop.ip2.com.br
177.12.208.30	A	pop.cisar.ch
177.12.210.9	A	hotfaces.com.br
177.12.220.75	A	mail.engelbrasil.com
177.12.220.84	PTR	static.ip2.com.br
177.12.220.84	A	mail01.hdbrepr.com.br