Robtex

Up: 213.158.96.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 213.158.97.0/25
Down right: 213.158.97.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.158.97.25	PTR	bergbestatt.tng-business
213.158.97.42	PTR	mail.iws-transporte.de
213.158.97.43	A+PTR	43-97-158-213.static.dsl.core.tng.de
213.158.97.58	A+PTR	serumail.seru.de
213.158.97.58	A	mail.seru.com
213.158.97.58	A	seru.com
213.158.97.97	A+PTR	97-97-158-213.static.dsl.core.tng.de
213.158.97.120	A	servicesolution1.tng-business.de
213.158.97.122	A	shbb-pix.tng-business.de
213.158.97.154	PTR	154-97-158-213.static.dsl.core.tng.de
213.158.97.154	A	mail.kuestenfliegenfischer.de
213.158.97.154	A	auto-selbsthilfe-kiel.de
213.158.97.211	A	mail.piratenfraktion-sh.de
213.158.97.251	A+PTR	251-97-158-213.static.dsl.core.tng.de
213.158.97.255	A	255-97-158-213.static.dsl.core.tng.de