Robtex

Up: 216.152.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.152.64.0/21
Down right: 216.152.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.152.64.1	A+PTR	weblan.webmaster.com
216.152.64.4	A+PTR	router.webmaster.com
216.152.64.10	A	gateway.webmaster.com
216.152.64.19	PTR	www.webmaster.com
216.152.64.19	A	www.webmaster.ca
216.152.64.19	A	webmaster.ca
216.152.64.22	PTR	mta.webmaster.com
216.152.64.23	PTR	penguin.webmaster.com
216.152.64.24	PTR	demon.webmaster.com
216.152.64.30	A	dns1.webmaster.com
216.152.64.40	A	dns2.webmaster.com
216.152.64.50	A	dns3.webmaster.com
216.152.64.84	A+PTR	www.webmaster.com
216.152.64.99	PTR	director.webmaster.com
216.152.64.100	A+PTR	rendezvous30.dataseek.net
216.152.64.101	PTR	rv.webmaster.com
216.152.64.102	A	bigpapa.webmaster.com
216.152.64.104	A	update.webmaster.com
216.152.64.117	PTR	noclue.webmaster.com
216.152.64.132	A	shell.webmaster.com
216.152.64.133	A	dataseek.org
216.152.64.133	A	cryptofs.com
216.152.64.133	A	cryptofs.net
216.152.64.157	A	chronicledata.com
216.152.64.157	A	reoteam.com
216.152.64.157	A	www.chronicledata.com
216.152.64.160	A	mail1.webmaster.com
216.152.64.160	A	mail.gamersrus.com
216.152.64.160	A	mail.drmweaver.com
216.152.64.199	PTR	ns1.webchat.org
216.152.64.200	A	shell.webchat.org
216.152.64.201	PTR	ns1.webmaster.com
216.152.64.225	PTR	osf.build.webmaster.com
216.152.64.233	A	forum.conferenceroom.com
216.152.64.240	A+PTR	www.conferenceroom.com
216.152.64.243	A+PTR	trash.drmweaver.com
216.152.64.246	A	commerce.webmaster.com
216.152.65.61	A	chronds1.chronicledatacorp.net
216.152.65.99	A	bigpapa.webmaster.com
216.152.65.103	A	wblade3.webmaster.com
216.152.65.104	A	siberia.webmaster.com
216.152.65.104	A	wblade4.webmaster.com
216.152.65.113	PTR	wblade13.webmaster.com
216.152.65.140	A	customer43.beckywallinmd.com
216.152.65.159	A	support.conferenceroom.com
216.152.65.159	A	live.conferenceroom.com
216.152.65.162	PTR	swnet.nc.us.ultrairc.net
216.152.65.178	PTR	pj.drmweaver.com
216.152.65.237	A	conradit.com
216.152.66.47	A	pool.arena.webchat.org
216.152.66.60	PTR	nexus.webchat.org
216.152.66.64	PTR	arena.webchat.org
216.152.66.93	A	stationair.owen.net
216.152.66.98	A	sjpma.com
216.152.66.101	A	owen.net
216.152.66.101	A	www.owen.net
216.152.66.115	PTR	www.vrfx.com
216.152.66.115	A	vrfx.org
216.152.66.115	A	vrfx.net
216.152.66.119	A	www.drmweaver.com
216.152.66.119	A	drmweaver.com
216.152.66.132	A	wap.drmweaver.com
216.152.66.135	A	*.unitedchat.net
216.152.66.135	A	irc.unitedchat.net
216.152.66.136	A	unitedchat.net
216.152.66.145	PTR	www.vrfx.com
216.152.66.152	A	ns2.webmaster.com
216.152.66.172	A	radio.webmaster.com
216.152.66.172	A	radio.webchat.org
216.152.66.253	A	blogs.webmaster.com
216.152.66.253	A	blogs.webchat.org
216.152.66.254	A	forums.webmaster.com
216.152.66.254	A	forums.webchat.org
216.152.67.14	A+PTR	proxycheck.vrfx.com
216.152.67.20	A+PTR	ns1.drmweaver.com
216.152.67.22	A	proxycheck.drmweaver.com
216.152.67.24	PTR	pioneer.webchat.org
216.152.67.26	A	arielconrad.com
216.152.67.36	PTR	www.sweatlodge.com
216.152.67.36	A	sweatlodge.com
216.152.67.42	A	queue.webmaster.com
216.152.67.43	A	mockup.conferenceroom.com
216.152.67.101	A	dan.webmaster.com
216.152.67.105	A	mail2.webmaster.com
216.152.67.114	A	sql.webmaster.com
216.152.67.208	A+PTR	phpbb.owen.net
216.152.67.214	A	edu.conferenceroom.com
216.152.67.215	A	beckywallinmd.com
216.152.67.215	A	wallinmd.com
216.152.67.224	A	channels.webchat.org
216.152.67.224	A	channels.webmaster.com
216.152.67.225	A+PTR	users.webchat.org
216.152.67.225	A	users.webmaster.com
216.152.67.241	A+PTR	www.claytonconrad.com
216.152.67.241	A	claytonconrad.com
216.152.67.245	A	fg.webmaster.com
216.152.67.246	A	squadron2.com
216.152.68.20	PTR	crowsnestbb.216-152-68-/24.net
216.152.68.153	PTR	ds153.webmaster.com
216.152.68.177	A	xp.owen.net
216.152.69.112	PTR	myproof.3marketeers.com
216.152.70.129	A+PTR	gateway.office.webmaster.com
216.152.70.162	PTR	162.office.webmaster.com
216.152.70.193	A+PTR	davids-webmaster.webmaster.com
216.152.70.194	A+PTR	webmaster-davids.webmaster.com
216.152.75.51	A	davids.webmaster.com
216.152.75.51	A	pblade1.webmaster.com
216.152.76.6	A+PTR	comrtr-l.webmaster.com
216.152.77.51	PTR	davids-r.webmaster.com
216.152.78.162	A+PTR	cblade2.webmaster.com
216.152.78.162	A	nexus.webmaster.com
216.152.78.163	A+PTR	cblade3.webmaster.com
216.152.78.163	A	katana.webmaster.com
216.152.78.170	A	forums.webchat.org
216.152.78.171	A	blogs.webchat.org
216.152.78.172	A	radio.webmaster.com
216.152.78.172	A	radio.webchat.org