Robtex

Up: 185.56.16.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 185.56.16.0/25
Down right: 185.56.16.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.56.16.4	A+PTR	mx1.ascania.ua
185.56.16.4	A	mx.ascania-auto.com
185.56.16.4	A	mail.ascania.kiev.ua
185.56.16.7	PTR	www.ascania.ua
185.56.16.7	PTR	ascania.ua
185.56.16.9	A	mail.zbroyar.com.ua
185.56.16.12	A+PTR	mx2.ascania.ua
185.56.16.12	A	mail.ascania.ua