Robtex

Up: 66.244.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.244.244.0/23
Down right: 66.244.246.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.244.246.8	PTR	h66-244-246-8.columbiawireless.ca
66.244.246.8	A	mail.itsafe.ca
66.244.246.29	PTR	h66-244-246-29.columbiawireless.ca
66.244.246.35	A	ccusa_web5.westerndatabase.ca
66.244.246.36	PTR	a66-244-246-36.sb.shawcable.net
66.244.246.36	A	ccusatax.com
66.244.246.36	A	ccusa.co.uk
66.244.246.38	PTR	a66-244-246-38.sb.shawcable.net
66.244.246.39	PTR	a66-244-246-39.sb.shawcable.net
66.244.246.40	PTR	a66-244-246-40.sb.shawcable.net
66.244.246.41	PTR	a66-244-246-41.sb.shawcable.net
66.244.246.43	PTR	a66-244-246-43.sb.shawcable.net
66.244.246.43	A	megadox.com
66.244.246.43	A	web1.westerndatabase.ca
66.244.246.45	A	ccusa_ipax.westerndatabase.ca
66.244.246.46	PTR	a66-244-246-46.sb.shawcable.net
66.244.246.46	A	westerndatabase.ca
66.244.246.52	PTR	h66-244-246-52.columbiawireless.ca
66.244.246.52	A	shanehomes.com
66.244.246.52	A	creationsbyshane.com
66.244.246.53	PTR	h66-244-246-53.columbiawireless.ca
66.244.246.57	A+PTR	mail.shanehomes.com
66.244.246.99	PTR	h66-244-246-99.columbiawireless.ca
66.244.246.99	A	mail.dirtt.net
66.244.246.104	PTR	h66-244-246-104.dirtt.net
66.244.246.130	PTR	h66-244-246-130.columbiawireless.ca
66.244.246.131	PTR	h66-244-246-131.columbiawireless.ca
66.244.246.195	PTR	h66-244-246-195.columbiawireless.ca
66.244.246.211	A+PTR	mail.rcgi.ca
66.244.247.70	PTR	h66-244-247-70.columbiawireless.ca
66.244.247.70	A	webmail.northernbackup.com
66.244.247.70	A	archive.hyperbia.ca
66.244.247.71	PTR	mail.agri-star.ca
66.244.247.76	PTR	h66-244-247-76.columbiawireless.ca
66.244.247.76	A	northernbackup.com
66.244.247.86	A+PTR	smtp-a.hyperbia.ca
66.244.247.97	PTR	h66-244-247-97.columbiawireless.ca
66.244.247.97	A	mail.calgaryareadocs.com
66.244.247.97	A	calgaryareadocs.com
66.244.247.100	PTR	h66-244-247-100.columbiawireless.ca
66.244.247.100	A	mavtsgate01.energuys.entegracontrols.com
66.244.247.114	PTR	h66-244-247-114.columbiawireless.ca
66.244.247.114	A	mail.dmacanada.net
66.244.247.121	PTR	h66-244-247-121.columbiawireless.ca
66.244.247.121	A	sip.cedagroup.com
66.244.247.125	PTR	h66-244-247-125.columbiawireless.ca
66.244.247.125	A	telematiccontrols.com
66.244.247.125	A	kayden.com
66.244.247.126	PTR	smtp-b.hyperbia.ca
66.244.247.131	PTR	h66-244-247-131.columbiawireless.ca
66.244.247.133	PTR	h66-244-247-133.columbiawireless.ca
66.244.247.133	A	seg.bdplaw.net
66.244.247.203	PTR	h66-244-247-203.columbiawireless.ca