Robtex

Up: 66.199.36.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.199.36.0/25
Down right: 66.199.36.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.199.36.5	A	access.tcdsb.org
66.199.36.17	A	testpermits.tcdsb.org
66.199.36.18	A	permits.tcdsb.org
66.199.36.19	A	eclass.tcdsb.org
66.199.36.20	PTR	vpn-access.otn.ca
66.199.36.20	A	secure.tcdsb.org
66.199.36.27	A	stream.tcdsb.org
66.199.36.28	A	connect.tcdsb.org
66.199.36.29	A	icod.tcdsb.org
66.199.36.30	A	edulog.tcdsb.org
66.199.36.31	A	web1.tcdsb.org
66.199.36.32	A	www.fpse.tcdsb.org
66.199.36.35	A	eclasschat.tcdsb.org
66.199.36.37	A	owa2003.tcdsb.org
66.199.36.41	A	owa.tcdsb.org
66.199.36.45	A	www.tcdsb.org
66.199.36.46	A	stream.tcdsb.org
66.199.36.48	A	exsmtp02.tcdsb.org
66.199.36.51	A	sip.tcdsb.org
66.199.36.52	A	sip.tcdsb.org
66.199.36.61	A	icod.tcdsb.org
66.199.36.61	A	exgw03.tcdsb.org
66.199.36.61	A	marksnet.tcdsb.org