Robtex

Up: 195.138.248.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 195.138.248.0/24
Down right: 195.138.249.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
195.138.249.2	A	ns2.secure-mail.biz
195.138.249.2	A	ns3.secure-mail.biz
195.138.249.2	A	ns4.perfect-privacy.com
195.138.249.14	A	ns4.perfect-privacy.net
195.138.249.14	A	ns3.perfect-privacy.com
195.138.249.14	A	mx.secure-mail.biz