Robtex

Up: 188.64.255.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 188.64.255.128/26
Down right: 188.64.255.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.64.255.140	A+PTR	mail1.beresa.de
188.64.255.164	A+PTR	mailext.ambifox.net
188.64.255.166	A	teka.eu
188.64.255.172	A	ambifox.net
188.64.255.172	A	mail.ostfrieslandexpress.de
188.64.255.172	A	ambifox.eu
188.64.255.176	A	foxdox.nl
188.64.255.176	A	foxdox.net
188.64.255.178	A	ambifox.eu
188.64.255.178	A	www.ambifox.net
188.64.255.178	A	ambicloud.de
188.64.255.180	PTR	mail01a.ambifox.net
188.64.255.180	A	mail.ambifox.net
188.64.255.180	A	mail.teka.me
188.64.255.196	A	asp-web-03.winsped.de
188.64.255.207	A	asp-ns-01.winsped.de
188.64.255.219	A	rz-web-02.winsped.de