Robtex

Up: 57.78.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 57.78.64.0/19
Down right: 57.78.96.0/19

IP	Type	Hostname
57.78.65.134	A	proxy-agr1.numonyx.com
57.78.67.15	A+PTR	mail.denso-ts.it
57.78.67.15	A	mail.ctrgroup.it
57.78.67.15	A	mail.ctr-srl.com
57.78.67.16	A+PTR	trendmail01.denso-ts.it
57.78.67.18	PTR	mxext01.denso-ts.com