Robtex

Up: 64.183.140.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 64.183.142.0/24
Down right: 64.183.143.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.183.143.5	A+PTR	rrcs-64-183-143-5.west.biz.rr.com
64.183.143.42	A+PTR	rrcs-64-183-143-42.west.biz.rr.com
64.183.143.50	PTR	mail.elkpt.com
64.183.143.61	A+PTR	rrcs-64-183-143-61.west.biz.rr.com
64.183.143.118	PTR	mail.moscowattorney.com
64.183.143.118	A	bkgrimm.com
64.183.143.122	A+PTR	rrcs-64-183-143-122.west.biz.rr.com
64.183.143.134	A+PTR	rrcs-64-183-143-134.west.biz.rr.com
64.183.143.164	PTR	rrcs-64-183-143-164.west.biz.rr.com
64.183.143.164	A	planetzombie.us
64.183.143.164	A	planetzombiestudios.net
64.183.143.166	A+PTR	rrcs-64-183-143-166.west.biz.rr.com
64.183.143.168	PTR	rrcs-64-183-143-168.west.biz.rr.com
64.183.143.168	A	www.silverwoodinsider.com
64.183.143.168	A	home.silverwoodthemepark.com
64.183.143.171	A	mail.silverwoodtp.com