Robtex

Up: 213.238.48.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 213.238.50.0/24
Down right: 213.238.51.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.238.50.9	A	wandale1.work.de
213.238.50.14	A	codecouture.workdsl.de
213.238.50.72	A	codecouture.workdsl.de
213.238.50.81	A	tallence.workdsl.de
213.238.50.109	PTR	dslschmidt.workdsl.de
213.238.50.109	A	stpauli2.work.de
213.238.51.10	A	quickly-cash.net
213.238.51.10	A	mx.quickly-cash.com
213.238.51.10	A	mx.quickly-cash.net
213.238.51.19	A	nicon.de
213.238.51.24	A	mx.ichemist.eu
213.238.51.24	A	mail.ichemist.eu
213.238.51.31	A	auktionsmanagement.com
213.238.51.43	A	hansbeug-gewichte.de
213.238.51.250	A+PTR	smtp.wtf.de
213.238.51.250	A	mx.ichemist.de
213.238.51.250	A	mail.ichemist.de
213.238.51.252	A+PTR	mail.wtf.de
213.238.51.252	A	mx.wtf.de
213.238.51.252	A	mx.nierenbiopsiediagnostik.de