Robtex

Up: 212.5.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 212.5.8.0/22
Down right: 212.5.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.5.8.10	A	mail.zediworld.de
212.5.8.10	A	mail.cedysworld.de
212.5.8.10	A	mail.cedywelt.de
212.5.8.39	A	zediworld.de
212.5.8.39	A	cedyworld.de
212.5.8.39	A	cedywelt.de
212.5.8.160	PTR	smtp.cobra-tech.de
212.5.10.17	PTR	www.ra-milde.de
212.5.10.26	PTR	tst.tv
212.5.10.180	PTR	ddd-musik.de