Robtex

Up: 206.83.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 206.83.144.0/23
Down right: 206.83.146.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.83.145.149	A	mail.foneswest.com
206.83.145.149	A	webmail.foneswest.com
206.83.145.149	A	ns2.foneswest.com
206.83.145.150	PTR	lynxwireless.com
206.83.145.150	A+PTR	tnpp.lynxwireless.com
206.83.145.150	PTR	www.lynxwireless.com
206.83.145.155	A	ns1.foneswest.com
206.83.145.161	PTR	bcci.boxcon.com
206.83.145.214	PTR	mail.mpei.com
206.83.147.131	A	livestats.winterparkresort.com
206.83.147.220	A	ns1.skiwinterpark.com
206.83.147.221	A	ns2.skiwinterpark.com
206.83.147.235	PTR	freeyourmountain.com
206.83.147.235	PTR	stage.2mountaindeals.com
206.83.147.235	PTR	ftpimg.skiwinterpark.com
206.83.147.237	PTR	copperhomeowner.com
206.83.147.237	PTR	copperhomeowners.com