Robtex

Up: 208.80.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.80.176.0/23
Down right: 208.80.178.0/23

IP	Type	Hostname
208.80.176.202	A	www.infonox.com
208.80.176.252	A+PTR	smtp1.infonox.net
208.80.176.252	A	smtp.transit-pass.com
208.80.176.253	A	dns02.infonox.net
208.80.176.254	A+PTR	dns04.infonox.net
208.80.179.81	A	www.monerisapp.com
208.80.179.252	A	mail.infonox.com
208.80.179.252	A	smtp.infonox.net
208.80.179.252	A	mail.infonox.net
208.80.179.253	A	dns01.infonox.net
208.80.179.254	PTR	dns03.infonox.net