Robtex

Up: 195.216.226.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 195.216.227.0/25
Down right: 195.216.227.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
195.216.227.228	A+PTR	mail2.sdbb.ch
195.216.227.228	A	mail.szh.ch
195.216.227.228	A	marcfuhrer.ch
195.216.227.229	PTR	mail.szh.ch
195.216.227.230	A+PTR	smtp.sdbb.ch
195.216.227.230	A	mail.panorama.ch
195.216.227.231	A	smtp.csfo.ch
195.216.227.232	A	smtp.szh.ch
195.216.227.233	A+PTR	smtp.csps.ch