Robtex

Up: 199.212.26.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 199.212.26.0/25
Down right: 199.212.26.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.212.26.10	A+PTR	smtp1.centennialcollege.ca
199.212.26.10	A	ns1.centennialcollege.ca
199.212.26.11	A+PTR	smtp2.centennialcollege.ca
199.212.26.11	A	ns2.centennialcollege.ca
199.212.26.12	A+PTR	ns3.centennialcollege.ca
199.212.26.19	A+PTR	nwftp.centennialcollege.ca
199.212.26.23	A+PTR	mailscan2.centennialcollege.ca
199.212.26.42	A	mail.centennialcollege.ca
199.212.26.43	A	prds1.centennialcollege.ca
199.212.26.47	PTR	dominodev.centennialcollege.ca
199.212.26.47	A	disasterstrikes.ca
199.212.26.51	A+PTR	advertising.thecentre.centennialcollege.ca
199.212.26.51	A+PTR	newmedia.thecentre.centennialcollege.ca
199.212.26.51	A+PTR	rtv.thecentre.centennialcollege.ca
199.212.26.93	PTR	webmail.centennialcollege.ca
199.212.26.93	PTR	dommail2.centennialcollege.ca
199.212.26.93	PTR	mobilemail1.centennialcollege.ca
199.212.26.97	A	wwwuat.centennialcollege.ca
199.212.26.97	A	cdn.centennialcollege.ca
199.212.26.112	A+PTR	winapp.centennialcollege.ca
199.212.26.112	A	cp.centennialcollege.ca
199.212.26.112	A	blackboard.centennialcollege.ca
199.212.26.117	A+PTR	linapp.centennialcollege.ca
199.212.26.117	A	thecentre.centennialcollege.ca
199.212.26.119	A+PTR	db2.centennialcollege.ca
199.212.26.127	PTR	raa.centennialcollege.ca
199.212.26.138	A+PTR	smtpin.centennialcollege.ca
199.212.26.138	A+PTR	smtp3.centennialcollege.ca
199.212.26.170	A+PTR	banner.centennialcollege.ca
199.212.26.190	A+PTR	my.centennialcollege.ca
199.212.26.191	A+PTR	mymail.centennialcollege.ca
199.212.26.201	A+PTR	cnet327.centennialcollege.ca
199.212.26.202	PTR	bannerapps.centennialcollege.ca
199.212.26.204	A+PTR	elms.centennialcollege.ca
199.212.26.222	PTR	inb.centennialcollege.ca
199.212.26.222	A	elms.centennialcollege.ca