Robtex

Up: 213.178.78.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 213.178.78.0/25
Down right: 213.178.78.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.178.78.1	PTR	dsl-hh.geco-group.com
213.178.78.2	A+PTR	fw-hh.geco-group.com
213.178.78.4	PTR	4.geco-group.com
213.178.78.5	PTR	5.geco-group.com
213.178.78.6	A+PTR	mail2.geco-group.com
213.178.78.6	A	mail.geco-group.com
213.178.78.7	A+PTR	apps.geco-group.com
213.178.78.9	PTR	mailing.geco-group.com
213.178.78.10	PTR	edge.geco-group.com
213.178.78.11	PTR	mail.geco-group.com
213.178.78.17	PTR	fw-dmz-hh.geco-group.com
213.178.78.18	A+PTR	geco-fw-hh-dmz.customer.tng.de
213.178.78.19	A	demo.be-certified.de
213.178.78.20	PTR	development.it-certified.de
213.178.78.21	PTR	intern.it-certified.de
213.178.78.21	A	mail.it-certified.de
213.178.78.22	PTR	web.geco-group.com
213.178.78.22	A	geco-group.com
213.178.78.22	A	www.geco-tec.com
213.178.78.23	PTR	demo.be-certified.de
213.178.78.23	A	be-certified.eu
213.178.78.23	A	mail.be-certified.de
213.178.78.24	A+PTR	na-ag.becertified.de
213.178.78.25	A	it-domain.de
213.178.78.33	PTR	dsl33.fel.de
213.178.78.34	PTR	dsl34.fel.de
213.178.78.35	PTR	dsl35.fel.de
213.178.78.36	PTR	dsl36.fel.de
213.178.78.37	PTR	dsl37.fel.de
213.178.78.38	PTR	dsl38.fel.de
213.178.78.39	PTR	dsl39.fel.de
213.178.78.40	A+PTR	mail.fel.de
213.178.78.40	A	lonnemann.de
213.178.78.40	A	mail.eurocon-online.de
213.178.78.41	A+PTR	dsl41.fel.de
213.178.78.42	PTR	dsl42.fel.de
213.178.78.43	PTR	dsl43.fel.de
213.178.78.44	A+PTR	dsl44.fel.de
213.178.78.45	PTR	dsl45.fel.de
213.178.78.46	PTR	dsl46.fel.de
213.178.78.49	A+PTR	drk-kaki-voip1.tng-business.de
213.178.78.57	A+PTR	drk-kaki-voip2.tng-business.de
213.178.78.65	PTR	asb.tng-business.de
213.178.78.82	A+PTR	www.prime-project.eu.org
213.178.78.82	A	prime-project.eu
213.178.78.82	A	hostmaster.prime-project.eu.org
213.178.78.86	PTR	mail2.privacyservice.org
213.178.78.86	A	mail.datenschutz.de
213.178.78.86	A	mail.informationsfreiheit.de
213.178.78.87	A	wiki.datenschutzzentrum.de
213.178.78.87	A	privacyos.datenschutzzentrum.de
213.178.78.88	A+PTR	mx01.datenschutzzentrum.de
213.178.78.88	A	mail2.privacyservice.org
213.178.78.88	A	mail.datenschutzzentrum.de
213.178.78.97	PTR	hsrp.shop.tng.de
213.178.78.98	A+PTR	prim-rt.shop.tng.de
213.178.78.99	A+PTR	sec-rt.shop.tng.de
213.178.78.100	A+PTR	firewall.shop.tng.de
213.178.78.109	A	mail.roeders-textiles.com
213.178.78.129	PTR	thw-handball.tng-business.de
213.178.78.130	A+PTR	mail.thw-handball.de
213.178.78.138	PTR	mail.uber-secure.de
213.178.78.177	PTR	fa0-46.sw1.kel21.tng.de
213.178.78.178	A+PTR	fw.cloudstack-test.tng.de
213.178.78.179	PTR	sw.cloudstack-test.tng.de
213.178.78.185	PTR	elter-gmbh.tng-business.de