Robtex

Up: 185.56.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 185.56.16.0/22
Down right: 185.56.20.0/22
(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
185.56.17.4	A+PTR	ns.ascania.com.ua
185.56.17.5	PTR	mx1.ascania.ua
185.56.17.5	A	mx3.ascania.ua
185.56.17.6	A	mx.ascania-auto.com
185.56.20.10	PTR	hosted-by.dedinetworks.com
185.56.20.13	A	nl3530.dediseedbox.com
185.56.20.15	A+PTR	nl3657.dediseedbox.com
185.56.20.17	PTR	hosted-by.dediseedbox.com
185.56.20.29	PTR	hosted-by.dediseedbox.com
185.56.20.29	A	torpipe.com
185.56.20.34	PTR	hosted-by.dedinetworks.com
185.56.20.36	PTR	hosted-by.dediseedbox.com
185.56.20.36	A	nl4389.dediseedbox.com
185.56.20.40	PTR	hosted-by.dediseedbox.com
185.56.20.105	A+PTR	utahpunk.org
185.56.20.105	A	chemicalwarfare.us
185.56.20.110	PTR	hosted-by.dediseedbox.com
185.56.20.110	A	www.scenebits.org
185.56.20.119	PTR	hosted-by.dedinetworks.com
185.56.20.119	A	lightweightmiata.com
185.56.20.119	A	averagemiata.com
185.56.20.126	PTR	hosted-by.dediseedbox.com
185.56.20.128	A	taradom.com
185.56.20.138	A	clyde.dediseedbox.com
185.56.20.139	PTR	hosted-by.dedinetworks.com
185.56.20.164	PTR	hosted-by.dedinetworks.com
185.56.20.186	PTR	hosted-by.dedinetworks.com
185.56.20.195	PTR	hosted-by.dedinetworks.com
185.56.20.222	PTR	hosted-by.dediseedbox.com
185.56.20.228	PTR	hosted-by.dedinetworks.com
185.56.20.235	PTR	hosted-by.dediseedbox.com