Robtex

Up: 216.246.106.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.246.106.0/25
Down right: 216.246.106.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.246.106.31	PTR	broadcast
216.246.106.68	PTR	network
216.246.106.168	PTR	unknown.scnet.net
216.246.106.178	PTR	unknown.scnet.net
216.246.106.178	A	sharikna.com
216.246.106.178	A	sharekna.org
216.246.106.190	PTR	unknown.scnet.net
216.246.106.190	A	www.docforge.org
216.246.106.191	PTR	broadcast
216.246.106.196	PTR	network
216.246.106.242	PTR	adready.com
216.246.106.246	PTR	adready.com
216.246.106.250	PTR	adready.com
216.246.106.254	PTR	adready.com