Robtex

Up: 212.15.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 212.15.192.0/22
Down right: 212.15.196.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.15.192.14	A+PTR	gw0.ceyoniq.ch
212.15.192.14	PTR	gw0.ceyoniq.co.uk
212.15.192.129	A	zimbra.versager.net
212.15.192.195	A	code667.net
212.15.192.196	A	mail.duckstop.de
212.15.192.196	A	mail.popkultur.de
212.15.193.1	A	ns1.devconsult.de
212.15.193.1	A	ns.devconsult.de
212.15.193.1	A	ns.devcon.net
212.15.193.2	PTR	mail.devconsult.de
212.15.193.2	A+PTR	mail.devcon.net
212.15.193.2	PTR	mail.fallback.devcon.net
212.15.193.4	PTR	proxy.devcon.net
212.15.193.8	A	as-auth.devcon.net
212.15.193.9	A	rdns.devcon.net
212.15.193.10	A	mirrors.devcon.net
212.15.193.11	A	stats.devcon.net
212.15.193.29	A	taifun.devconsult.de
212.15.193.30	A	vortex.devconsult.de
212.15.193.33	A+PTR	owl-cix.de
212.15.193.33	A+PTR	www.owl-cix.de
212.15.193.33	PTR	chs.devcon.net
212.15.193.37	PTR	mail.bladenight-bielefeld.de
212.15.193.37	PTR	mail.devcoin.de
212.15.193.37	PTR	mail.devcon-modsys.de
212.15.193.38	PTR	ftp.carolin-essmann.de
212.15.193.38	PTR	ftp.claudia-essmann.de
212.15.193.38	PTR	ftp.dagmar-essmann.de
212.15.193.61	A	asimov.devconsult.de
212.15.193.129	A+PTR	www.nordseebad-bielefeld.de
212.15.193.129	A+PTR	lilly.devcon.net
212.15.193.130	A	vortex.devconsult.de
212.15.194.169	A	gw1.vme-einrichten.de
212.15.194.170	A+PTR	gw.vme-einrichten.de
212.15.194.170	A+PTR	gw2.vme-einrichten.de
212.15.194.170	PTR	mail.vme-online.net
212.15.194.172	PTR	intra.vme-einrichten.de
212.15.197.10	A	mail.ibb-bielefeld.de
212.15.197.25	PTR	mail.bielefeld.ccc.de