Robtex

Up: 185.61.8.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 185.61.8.0/25
Down right: 185.61.8.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.61.8.10	PTR	ns.udag.de
185.61.8.10	A	server1-ns2.udagdns.net
185.61.8.10	A	ns.udagdns.net
185.61.8.11	A+PTR	ns.udag.org
185.61.8.11	A	ns.udagdns.net
185.61.8.11	A	server1-ns3.udagdns.de
185.61.8.100	PTR	ns1.udag.net
185.61.8.103	A+PTR	ns3.udag.net
185.61.8.110	PTR	ns1a.dodns.net
185.61.8.110	A	ns1.interactive-waterscreen.com
185.61.8.110	A	ns1.waterfountain.de