Robtex

Up: 66.11.70.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.11.71.0/25
Down right: 66.11.71.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.11.71.4	A+PTR	static-66-11-71-4.ptr.terago.net
66.11.71.19	A+PTR	smg.vivacan.com
66.11.71.21	PTR	static-66-11-71-21.ptr.terago.net
66.11.71.26	A	viva-healthcare.ca
66.11.71.28	A+PTR	mail.vivacan.com
66.11.71.35	A	echelonsystems.com
66.11.71.50	PTR	static-66-11-71-50.ptr.terago.net
66.11.71.56	PTR	static-66-11-71-56.ptr.terago.net
66.11.71.81	PTR	mail.yeehong.com
66.11.71.81	A	yhcmail.yeehong.org
66.11.71.81	A	mail.yeehong.ca
66.11.71.84	PTR	static-66-11-71-84.ptr.terago.net
66.11.71.108	PTR	static-66-11-71-108.ptr.terago.net
66.11.71.108	A	mail.metrotea.com
66.11.71.117	A	static-66-11-71-117.ptr.terago.ca
66.11.71.117	A	static-66-11-71-117.ptr.terago.net
66.11.71.136	A+PTR	static-66-11-71-136.ptr.terago.net
66.11.71.147	PTR	mx1.edgebenefits.com
66.11.71.173	PTR	mail.newcom.ca
66.11.71.185	A	static-66-11-71-185.ptr.terago.net
66.11.71.187	A	accolade-groupmail.com
66.11.71.187	A	static-66-11-71-187.ptr.terago.net
66.11.71.226	A+PTR	static-66-11-71-226.ptr.terago.net
66.11.71.226	A	*.gresham.ca
66.11.71.226	A	www.gresham.ca
66.11.71.227	PTR	static-66-11-71-227.ptr.terago.net
66.11.71.227	A	mail.highgatesystem.com
66.11.71.227	A	highgatesystem.com
66.11.71.228	A	static-66-11-71-228.ptr.terago.net
66.11.71.230	PTR	mail.highgatesystems.com
66.11.71.230	A	*.gresham.ca
66.11.71.230	A	static-66-11-71-230.ptr.terago.net
66.11.71.232	A	static-66-11-71-232.ptr.terago.net
66.11.71.233	PTR	static-66-11-71-233.ptr.terago.net
66.11.71.233	A	exchange.bevertec.com
66.11.71.233	A	mail.bevertec.ca
66.11.71.241	A+PTR	smtp.nitrochemcorp.com
66.11.71.241	A	mail.nitrochemcorp.com
66.11.71.245	PTR	static-66-11-71-245.ptr.terago.net
66.11.71.245	A	nitrochemcorp.com
66.11.71.245	A	www.nitrochemcorp.com