Robtex

Up: 213.157.18.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 213.157.19.0/25
Down right: 213.157.19.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.157.19.2	PTR	hofmann.heagmedianet.de
213.157.19.34	A+PTR	mail3.camao.de
213.157.19.34	A	zippak-mail.com
213.157.19.34	A	kunden.camao.de
213.157.19.36	A+PTR	mail1.camao.de
213.157.19.36	A	mail1.camao-performance.de
213.157.19.56	PTR	mcs.heagmedianet.de
213.157.19.56	A	mail.hoernig.de
213.157.19.130	A+PTR	mail2.hessenwasser.de
213.157.19.176	PTR	habasit.heagmedianet.de
213.157.19.202	A+PTR	asg220.mechatronic.de
213.157.19.220	PTR	mail2.eurocat.de