Robtex

Up: 216.252.64.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.252.66.0/24
Down right: 216.252.67.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.252.66.1	PTR	unassigned.enter-net.com
216.252.66.1	A	canberra.enter-net.com
216.252.66.2	A	canberradev.enter-net.com
216.252.66.9	PTR	m2l.ca
216.252.66.9	PTR	wwwb.pointclip.ca
216.252.66.9	A	wwwb.m2l.ca
216.252.66.17	A	nighthawk.colba.net
216.252.67.16	A	thehatparty.org
216.252.67.70	PTR	70.67.252.216.dsl.colba.net
216.252.67.107	PTR	107.67.252.216.dsl.colba.net
216.252.67.233	PTR	233.67.252.216.dsl.colba.net
216.252.67.233	A	immocontact.ca
216.252.67.233	A	immonet.ca