Robtex

Up: 66.84.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.84.84.0/23
Down right: 66.84.86.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.84.85.3	A	crioonline.com
66.84.85.201	A	scubaventure.com
66.84.85.201	A	visualauto.com
66.84.85.201	A	georgewhitefencing.com
66.84.87.18	A	mail.coffee-cellar.com
66.84.87.45	PTR	a66-84-87-45.deploy.akamaitechnologies.com