Robtex

Up: 208.66.228.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 208.66.228.0/25
Down right: 208.66.228.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.66.228.5	A+PTR	ns1.cactus.net
208.66.228.6	PTR	ns2.cactus.net
208.66.228.20	A+PTR	208-66-228-20.ip.cactus.net
208.66.228.20	A	relay1.cactus.net
208.66.228.21	A	relay1.cactus.net
208.66.228.21	A	mail.smith.co
208.66.228.22	A+PTR	relay2.cactus.net
208.66.228.28	A+PTR	mailsrv1.net
208.66.228.28	A	mail.menuiserielauriault.com
208.66.228.28	A	mailsrv1.cactus.net
208.66.228.29	PTR	208-66-228-29.ip.cactus.net
208.66.228.29	A	mail.regionex.com
208.66.228.29	A	mail.vivatexte.com
208.66.228.31	PTR	208-66-228-31.ip.cactus.net
208.66.228.31	PTR	oldsupport.smith.co
208.66.228.31	A	support.cactus.net
208.66.228.37	PTR	208-66-228-37.ip.cactus.net
208.66.228.37	A	caronmasse.ca
208.66.228.37	A	conceptht.ca
208.66.228.38	PTR	208-66-228-38.ip.cactus.net
208.66.228.38	A	dermabronze.com
208.66.228.38	A	cmalade.ca
208.66.228.39	A+PTR	208-66-228-39.ip.cactus.net
208.66.228.39	A	rpnao.org
208.66.228.40	PTR	208-66-228-40.ip.cactus.net
208.66.228.40	A	fondationmichelconstant.ca
208.66.228.40	A	ispweb1.cactus.net
208.66.228.41	PTR	208-66-228-41.ip.cactus.net
208.66.228.41	A	bc5tech.com
208.66.228.41	A	fondationmichelconstant.ca
208.66.228.42	PTR	208-66-228-42.ip.cactus.net
208.66.228.42	A	beaudrybertrand.com
208.66.228.42	A	beaudry-deschatelets.com
208.66.228.43	A+PTR	208-66-228-43.ip.cactus.net
208.66.228.44	PTR	208-66-228-44.ip.cactus.net
208.66.228.44	A	www.fja.gc.ca
208.66.228.44	A	poudreextreme.ca
208.66.228.46	A+PTR	208-66-228-46.ip.cactus.net
208.66.228.56	A	sablier.ca
208.66.228.59	PTR	sl3d.ca
208.66.228.59	PTR	trinergie.ca
208.66.228.59	PTR	208-66-228-59.ip.cactus.net
208.66.228.60	PTR	campviking.ca
208.66.228.60	PTR	campvikings.ca
208.66.228.60	PTR	condochateaucartier.ca
208.66.228.63	A	portal.bridgehead.ca
208.66.228.63	A	kitchen.bridgehead.ca
208.66.228.67	A	portal.bridgehead.ca
208.66.228.247	A	ahpdfonline.ca
208.66.228.250	PTR	208-66-228-250.ip.cactus.net
208.66.228.250	A	fseap.ca
208.66.228.250	A	paesf.ca