Robtex

Up: 208.56.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.56.48.0/23
Down right: 208.56.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.56.48.7	A+PTR	ns.pageimpact.com
208.56.48.7	A	mail.ns.pageimpact.com
208.56.48.11	A+PTR	ns.suhospedajeweb.com
208.56.48.13	PTR	ns.reselltoday.com
208.56.48.15	PTR	ns1.budgetware.com
208.56.48.44	PTR	unassigned.alabanza.com
208.56.48.45	PTR	208-56-48-45.navisite.net
208.56.48.56	PTR	ns.teachershosting.com
208.56.48.56	A	mail.ns.teachershosting.com
208.56.48.60	A	ns.militaryhosting.com
208.56.48.82	PTR	hestercontracting.com
208.56.48.83	PTR	ns.fw2.com
208.56.48.83	A	mail.ns.fw2.com
208.56.48.88	PTR	208-56-48-88.navisite.net
208.56.48.88	A	mail.ns.catholicwebhosting.com
208.56.48.88	A	ns.catholicwebhosting.com
208.56.48.92	PTR	ns.pharamond.net
208.56.48.95	A	admin.netfronts.com
208.56.48.99	PTR	fokis2k.com
208.56.48.113	PTR	mecanaids.com
208.56.48.119	PTR	nationalmotor.co.uk
208.56.48.124	PTR	unassigned.alabanza.com
208.56.48.150	PTR	arlpaxring.com
208.56.48.164	PTR	limo.bz
208.56.48.171	PTR	imaxmadrid.com
208.56.48.203	A	www.gms-usa.net
208.56.48.203	A	gms-usa.net
208.56.48.203	A	mail.gms-usa.net
208.56.48.217	A	docproj.newcybage.alabanza.com
208.56.49.4	PTR	centromedico.com.gt
208.56.49.16	PTR	208-56-49-16.navisite.net
208.56.49.18	A	mail.brooksbp.com
208.56.49.58	PTR	bsa-d.com
208.56.49.59	PTR	racehelmets.com
208.56.49.93	A	mail.manage2001.com
208.56.49.130	PTR	webelse.com
208.56.49.161	A	mail.troop217.org
208.56.49.165	A	mail.spatrecords.net
208.56.49.166	PTR	lmfdpro.com
208.56.49.171	A+PTR	cirrusworks.com
208.56.49.171	A	mail.cirrusworks.com
208.56.49.172	A	greenvista.com
208.56.49.172	A	mail.greenvista.com
208.56.49.198	PTR	208-56-49-198.navisite.net
208.56.49.203	PTR	dixiequicks.com
208.56.49.219	PTR	208-56-49-219.navisite.net
208.56.49.234	PTR	208-56-49-234.navisite.net
208.56.49.247	PTR	enoriaplateos.gr
208.56.49.254	PTR	davesanders.com
208.56.50.27	PTR	hondafleetsales.com
208.56.50.37	PTR	208-56-50-37.navisite.net
208.56.50.51	PTR	dcfa.org
208.56.50.119	PTR	mcbeegroup.com
208.56.50.121	PTR	208-56-50-121.navisite.net
208.56.50.132	PTR	paragonfury.com
208.56.50.174	PTR	208-56-50-174.navisite.net
208.56.50.178	PTR	208-56-50-178.navisite.net
208.56.50.203	PTR	smartgaming.com
208.56.50.224	PTR	geolin.com
208.56.50.232	PTR	ns.graceonline.org
208.56.51.27	PTR	ontario-ringette.com
208.56.51.43	PTR	baysidemail.org
208.56.51.51	PTR	unassigned.alabanza.com
208.56.51.56	PTR	keighron.org
208.56.51.83	PTR	thepracticalpress.net
208.56.51.83	A	mail.thepracticalpress.net
208.56.51.197	PTR	avidhosting.com
208.56.51.200	PTR	cyberark.com
208.56.51.217	PTR	unassigned.alabanza.com
208.56.51.217	A	*.wwcs.biz
208.56.51.217	A	www.wwcs.biz