Robtex

Up: 209.226.36.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 209.226.36.0/25
Down right: 209.226.36.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.226.36.8	A	secure.ncdsb.com
209.226.36.10	PTR	gateway.ncdsb.com
209.226.36.12	A+PTR	niagaracatholic.ca
209.226.36.12	PTR	ncdsb.com
209.226.36.12	A+PTR	www.ncdsb.com
209.226.36.14	A	webforum.ncdsb.net
209.226.36.14	A	ncdsb.netwww.ncdsb.net
209.226.36.14	A	ncdsb.net
209.226.36.15	A	gateway.ncdsb.com
209.226.36.15	A	*.niagararc.com
209.226.36.20	PTR	mail.ncdsb.com
209.226.36.20	A	mail.nfce.org
209.226.36.29	A	mail.niagararc.com
209.226.36.29	A	outerlinux.ncdsb.com
209.226.36.29	A	outerlinux.niagararc.com
209.226.36.229	PTR	nfce.org