Robtex

Up: 208.66.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 208.66.96.0/22
Down right: 208.66.100.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.66.96.17	A	vpn.arcscale.com
208.66.96.134	A	stottlemyer.org
208.66.96.134	A	dns1.stottlemyer.org
208.66.96.234	PTR	host234.subnet-208-66-96.gigavenue.com
208.66.97.51	PTR	host51.subnet-208-66-97.gigavenue.com
208.66.97.51	A	admin.darkthrone.com
208.66.97.59	A	pibmtest.darkthrone.com
208.66.97.67	A	emaxg.com
208.66.97.69	A	emaxcomm.eu
208.66.97.231	A	ns2.peer39.com
208.66.97.232	A	ns3.peer39.com
208.66.97.233	PTR	host233.subnet-208-66-97.gigavenue.com
208.66.97.233	A	edns1.peer39.com
208.66.97.250	PTR	host250.subnet-208-66-97.gigavenue.com
208.66.98.51	PTR	208.66.98.51.inlandimaging.com
208.66.98.52	A	dailystarbabes.com
208.66.98.52	A	techfivereport.com
208.66.98.52	A	theokinsider.com
208.66.99.68	A	email.catalogdatasolutions.com
208.66.99.68	A	mdsmicro.net
208.66.99.70	A	web-notification.net
208.66.99.70	A	cataloguedatasolution.com
208.66.99.72	A	ms4.catalogds.com
208.66.99.88	PTR	host88.subnet-208-66-99.gigavenue.com
208.66.99.90	PTR	host90.subnet-208-66-99.gigavenue.com
208.66.99.91	PTR	host91.subnet-208-66-99.gigavenue.com
208.66.99.96	PTR	host96.subnet-208-66-99.gigavenue.com
208.66.99.110	A	bmon.gigavenue.com
208.66.99.141	A	trg.peer39.net
208.66.99.150	A	viewer.peer39.com
208.66.99.150	A	clicker.peer39.com
208.66.99.162	PTR	host162.subnet-208-66-99.gigavenue.com
208.66.99.226	PTR	host226.subnet-208-66-99.gigavenue.com
208.66.99.226	A	emax-tel.com
208.66.100.177	PTR	host177.subnet-208-66-100.gigavenue.com