Robtex

Up: 213.220.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 213.220.128.0/19
Down right: 213.220.160.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.220.128.1	PTR	sc-3000-001-gw.lufthoheit.net
213.220.128.2	A+PTR	ns-30.airdata.de
213.220.128.246	PTR	sc-3000-001-rt1-mw.luifthoheit.net
213.220.131.1	PTR	1.c131.airdata.de
213.220.131.130	PTR	gateway1.seskion.de
213.220.131.196	PTR	196.c131.airdata.de
213.220.132.2	PTR	ns-221.airdata.de
213.220.132.64	PTR	64.c132.airdata.de
213.220.132.195	PTR	195.c132.airdata.de
213.220.144.140	A	tsmpro.com
213.220.147.164	A	mx.sdu-kress.de
213.220.147.194	A	highworker.de
213.220.147.238	A	localmail.groechel.eu
213.220.148.219	A	mariodemarco.myds.me
213.220.149.116	A	lmhome.de
213.220.149.248	A	gefaq.net
213.220.152.143	A	mail.redsexy.info
213.220.152.198	A	mail.redsexy.info
213.220.152.198	A	redsexy.info
213.220.152.198	A	mx2.mellensee.net
213.220.154.95	A	3skul.org
213.220.155.81	A	mwzone.de
213.220.156.91	A	catkalk.com
213.220.156.143	A	hennemann.mooo.com
213.220.156.170	A	www.the-raytracer.de
213.220.157.88	A	mail.fc-bb.de
213.220.159.5	A	yawls.de
213.220.159.58	A	c0mmand0.no-ip.org
213.220.159.175	A	bass-t.eu
213.220.160.1	PTR	wdsl-711-1.lufthoheit.net
213.220.160.67	PTR	wdsl-711-67.lufthoheit.net
213.220.160.128	PTR	wdsl-711-128.lufthoheit.net
213.220.160.130	PTR	wdsl-711-130.lufthoheit.net
213.220.160.131	PTR	wdsl-711-131.lufthoheit.net
213.220.160.254	A	ck.irmler.de
213.220.162.24	A	draeger-dj.de
213.220.162.246	PTR	246.c162.airdata.de
213.220.162.246	A	draeger-sicherheit.de
213.220.162.246	A	draegerdj.de
213.220.162.249	A+PTR	gw.hms-stahlbau.de