Robtex

Up: 5.23.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 5.23.64.0/20
Down right: 5.23.80.0/20

IP	Type	Hostname
5.23.64.0	PTR	5-23-64-0.customers.icell.is
5.23.64.1	PTR	5-23-64-1.customers.icell.is
5.23.64.35	PTR	5-23-64-35.customers.icell.is
5.23.64.64	PTR	5-23-64-64.customers.icell.is
5.23.64.67	PTR	5-23-64-67.customers.icell.is
5.23.64.98	PTR	5-23-64-98.customers.icell.is
5.23.66.169	A	5-23-66-169.emax.is
5.23.69.186	A	5-23-69-186.emax.is
5.23.70.98	A+PTR	5-23-70-98.emax.is
5.23.71.68	A	5-23-71-68.emax.is
5.23.73.134	A	5-23-73-134.emax.is
5.23.74.104	A	5-23-74-104.emax.is
5.23.75.136	A	5-23-75-136.emax.is
5.23.75.158	A	5-23-75-158.emax.is
5.23.76.1	PTR	gw.abotinn.is
5.23.76.2	A+PTR	ns1.prestur.is
5.23.76.3	A+PTR	ns2.prestur.is
5.23.76.6	A	www.consul.is
5.23.76.6	A	5-23-76-6.emax.is
5.23.76.157	A	5-23-76-157.emax.is
5.23.76.237	A	5-23-76-237.emax.is
5.23.77.5	A	5-23-77-5.emax.is
5.23.77.12	A	5-23-77-12.du.xdsl.is
5.23.79.3	A+PTR	postur.emax.is
5.23.79.3	A	webmail.emax.is
5.23.79.5	A	mail.hive.is
5.23.79.5	A	zmail01.tal.is
5.23.79.34	A+PTR	mailtal.365net.is
5.23.79.35	A+PTR	mail7.365net.is
5.23.79.36	A	mail8.365net.is
5.23.79.37	A	mail10.365net.is
5.23.79.97	PTR	5-23-79-97.customers.icell.is
5.23.79.122	A	csgo1.365net.is
5.23.79.123	A	csgo2.365net.is
5.23.81.103	A	fljotavik.com
5.23.81.200	A	5-23-90-200.ljoshradi.is
5.23.82.200	A	5-23-90-200.ljoshradi.is
5.23.83.200	PTR	5-23-83-200.ljoshradi.is
5.23.83.200	A	5-23-90-200.ljoshradi.is
5.23.88.155	A+PTR	5-23-88-155.ljoshradi.is
5.23.90.200	A	5-23-90-200.ljoshradi.is
5.23.91.112	A	5-23-91-112.ljoshradi.is
5.23.92.24	A	himnum.com
5.23.92.24	A	giswulf.com
5.23.92.212	A+PTR	5-23-92-212.ljoshradi.is
5.23.93.21	A+PTR	smavefir.365.is
5.23.93.22	A+PTR	auth1.365net.is
5.23.93.23	A+PTR	lysa.365.is
5.23.93.27	A+PTR	hlapp.365.is
5.23.93.39	A+PTR	db.frettabladid.is
5.23.93.40	A+PTR	oldwebmeth.365.is
5.23.93.42	A	ftp.frettabladid.is
5.23.93.50	A+PTR	ad1.365.is
5.23.94.1	A+PTR	gleraugu.emax.is
5.23.94.2	A+PTR	lokad.365net.is
5.23.94.20	PTR	emaxsup1.emax.is
5.23.94.21	PTR	tala1.emax.is
5.23.94.130	A+PTR	hotspot.emax.is
5.23.94.143	A+PTR	5-23-94-143.emax.is
5.23.95.141	A+PTR	gestir.365net.is
5.23.95.255	PTR	5-23-95-255.emax.is