Robtex

Up: 81.3.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 81.3.0.0/25
Down right: 81.3.0.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.3.0.1	A+PTR	er.h.as24679.net
81.3.0.34	A	united-host.de
81.3.0.34	A	www.united-host.de
81.3.0.75	A	lfw600.securepod.com
81.3.0.91	A+PTR	gw.serverpool.info
81.3.0.98	A	up1-sserv.as34432.de
81.3.0.130	A+PTR	sokar.padberg-it.net
81.3.0.146	PTR	c34391.c.de.siteprotect.eu
81.3.0.146	A	meine-urlaubswelt.info
81.3.0.146	A	*.meine-urlaubswelt.com
81.3.0.147	A	kreuzfahrten-und-weltreisen.de
81.3.0.147	A	kurzreise-urlaub.de
81.3.0.148	A	sgwww.the-pr.de
81.3.0.148	A	adobe-dns-2.the-pr.de
81.3.0.148	A	der-messeprofi.de
81.3.0.149	A	mein-garten-24.de
81.3.0.149	A	urlaub-im-netz.de
81.3.0.162	A	stoexen.it
81.3.0.162	A	mail.stoexen.it
81.3.0.166	A	afgateway.anyfinder.de
81.3.0.178	A	up2-sserv.as34432.de
81.3.0.194	PTR	jcore01.securepod.com
81.3.0.194	A	lillestoff.us
81.3.0.194	A	lillestoff.de
81.3.0.201	PTR	er01.h.as24679.net
81.3.0.201	A	er.h.as24679.net
81.3.0.203	PTR	echelon.h.as24679.net
81.3.0.203	A	lg01.h.as24679.net
81.3.0.218	A	tsi.kunde.sserv.de
81.3.0.222	A	fw-01.h.abp.ag
81.3.0.226	A	middl.tbits.net
81.3.0.227	A	middl1.tbits.net
81.3.0.228	A	middl2.tbits.net