Robtex

Up: 194.0.232.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 194.0.232.0/24
Down right: 194.0.233.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.0.232.2	A	*.qualitytaxi.net
194.0.232.2	A	mail.qualitytaxi.net
194.0.232.223	A	mail.taxi.eu
194.0.232.225	A+PTR	mailscanner.taxifunk.de
194.0.232.225	A	cab-mail.de
194.0.232.225	A	cabmail.de
194.0.232.226	A+PTR	gw1.cabintern.de
194.0.232.226	A	xn--cb-via.de
194.0.232.226	A	*.cabintern.de
194.0.232.228	A	immoterra.net
194.0.232.229	A	taxiagency.net
194.0.233.71	A+PTR	ns2.billbird.pl
194.0.233.90	A	nat-gw1.billbird.pl
194.0.233.193	A	vpn2.billbird.pl