Robtex

Up: 194.180.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 194.180.128.0/21
Down right: 194.180.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.180.128.2	A+PTR	mx.teekanne.de
194.180.128.2	A	mail.teekanne.de
194.180.128.12	A+PTR	mx.teekanne.de
194.180.142.194	A+PTR	mail.teepack.com
194.180.142.194	A	mx.teepack.com
194.180.143.243	A+PTR	postkutsche1.teekanne.at
194.180.143.243	A	mail.willidungl.com
194.180.143.243	A	mail.teekanne.at