Robtex

Up: 204.11.208.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 204.11.208.0/25
Down right: 204.11.208.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.11.208.1	PTR	gateway.ra-1.redanvil.net
204.11.208.1	A	gateway.redanvil.net
204.11.208.8	A+PTR	mail1.redanvil.net
204.11.208.8	A	webmail.redanvil.net
204.11.208.9	A+PTR	spamfilter1.redanvil.net
204.11.208.9	A	spamfilter.orionweb.net
204.11.208.9	A	spamfilter.redanvil.net
204.11.208.15	PTR	ns1.redanvil.net
204.11.208.15	A	ns1.spsp.com
204.11.208.16	A+PTR	spamfilter2.redanvil.net
204.11.208.16	A	spamfilter.redanvil.net
204.11.208.16	A	mailgate.wels.net
204.11.208.17	A+PTR	dnscache1.redanvil.net
204.11.208.18	A+PTR	dnscache2.redanvil.net
204.11.208.19	A	mx1.redanvil.net
204.11.208.19	A	mx.redanvil.net
204.11.208.20	A	mx.redanvil.net
204.11.208.20	A	mx2.redanvil.net
204.11.208.21	A+PTR	distro.redanvil.net
204.11.208.22	A+PTR	netforge.redanvil.net
204.11.208.24	A+PTR	randum.redanvil.net
204.11.208.25	PTR	ns2.redanvil.net
204.11.208.25	A	ns2.spsp.com
204.11.208.26	A	204-11-208-26.rev.redanvil.net
204.11.208.26	A	opastco.redanvil.net
204.11.208.30	A+PTR	ra1.redanvil.net
204.11.208.30	A	spsp.com
204.11.208.80	A+PTR	204-11-208-80.rev.redanvil.net
204.11.208.101	A	muls.redanvil.net
204.11.208.105	PTR
204.11.208.105	A	phci.redanvil.net
204.11.208.107	A+PTR	204-11-208-107.rev.redanvil.net
204.11.208.115	A+PTR	204-11-208-115.rev.redanvil.net
204.11.208.151	PTR	204-11-208-151-rev.redanvil.net
204.11.208.151	A	artftp.bradysignmark.com
204.11.208.152	PTR	ftp.mse.spancrete.com
204.11.208.152	A	ftp.varitronicsystems.com
204.11.208.155	A	ftp.bradymechrd.com
204.11.208.158	A	ftp.daishintech.com
204.11.208.164	PTR	www.iffgd.org
204.11.208.179	PTR	www.aboutgerd.org
204.11.208.183	PTR	inet.spmh.org
204.11.208.186	PTR	www.biztimes.com
204.11.208.190	PTR	www.giresearch.org
204.11.208.193	A	ftp.deltamedicalsystems.com
204.11.208.197	PTR	www.livingchurch.org
204.11.208.205	PTR	dha.org