Robtex

Up: 66.244.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.244.236.0/23
Down right: 66.244.238.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.244.236.34	A	mail2.albirenova.com
66.244.236.53	A	citrix.mpe.ca
66.244.236.76	PTR	host23676.airenet.com
66.244.236.98	A+PTR	mail.pxx.ca
66.244.236.129	PTR	lwserver.livingwaters.ab.ca
66.244.236.129	A	livingwaters.ab.ca
66.244.236.146	PTR	h66-244-236-146.bigpipeinc.com
66.244.236.226	A+PTR	mail.edisonschool.ca
66.244.236.226	A	mail.edisonbadminton.ca
66.244.236.226	A	mail.speedyapollo.com
66.244.236.227	PTR	h66-244-236-227.bigpipeinc.com
66.244.236.230	PTR	h66-244-236-230.bigpipeinc.com
66.244.236.242	A	mx.abhostingtoday.com
66.244.236.244	PTR	mail1.tricubemedia.net
66.244.236.244	A	ns1.tricubemedia.net
66.244.236.245	PTR	mail2.tricubemedia.net
66.244.236.245	A	ns2.tricubemedia.net
66.244.236.246	PTR	papers1.tricubemedia.net
66.244.236.248	PTR	papers3.tricubemedia.net
66.244.236.248	A	etear.abnewsgroup.com
66.244.236.249	PTR	h66-244-236-249.bigpipeinc.com
66.244.236.249	A	gdherald.com
66.244.236.252	PTR	mail2.tricubemedia.net
66.244.236.252	A	mx.ag-matters.com
66.244.236.252	A	mx.sunnysouthnews.com
66.244.237.7	PTR	surveys.smarttech.com
66.244.237.33	A+PTR	ns1.ambrose.edu
66.244.237.34	A+PTR	ns2.ambrose.edu
66.244.237.42	A	mail.ambrose.edu
66.244.237.56	A	fs.ambrose.edu
66.244.237.71	A+PTR	smtp2.rockyview.ca
66.244.237.71	A	neostreamtechnologies.com
66.244.237.71	A	mail.neostreamtechnologies.com
66.244.237.88	PTR	h66-244-237-88.bigpipeinc.com
66.244.237.88	A	rvupnet.ca
66.244.237.99	PTR	h66-244-237-99.bigpipeinc.com
66.244.237.99	A	gp.bdplaw.net
66.244.237.100	PTR	h66-244-237-100.bigpipeinc.com
66.244.237.108	PTR	h66-244-237-108.bigpipeinc.com
66.244.237.108	A	vas.bdplaw.net
66.244.237.140	A	fw1.palliserhealth.ca
66.244.237.141	A+PTR	mail.palliserhealth.ca
66.244.237.142	A+PTR	webmail.palliserhealth.ca
66.244.237.143	PTR	login.palliserhealth.ca
66.244.237.144	A	ftp.palliserhealth.ca
66.244.237.195	PTR	h66-244-237-195.bigpipeinc.com
66.244.237.195	A	ns1.forestoil.ca
66.244.237.195	A	mail.forestoil.ca
66.244.237.197	PTR	h66-244-237-197.bigpipeinc.com
66.244.237.197	A	webapps.lonepineresources.com
66.244.237.227	PTR	h66-244-237-227.bigpipeinc.com
66.244.237.227	A	datacrest.ca
66.244.237.227	A	wsggroup.com
66.244.237.231	PTR	h66-244-237-231.bigpipeinc.com
66.244.237.231	A	lrsi.net
66.244.237.232	PTR	h66-244-237-237.bigpipeinc.com
66.244.237.232	A	csta.ca
66.244.238.7	PTR	h64-244-238-7.bigpipeinc.com
66.244.238.15	A	communication.istockphoto.com
66.244.238.35	PTR	h64-244-238-35.bigpipeinc.com
66.244.238.35	A	mail.uniteddecorating.com
66.244.238.40	PTR	www.michaelmoore.com
66.244.238.43	PTR	thepurplebuffalo.net
66.244.238.74	PTR	h64-244-238-74.bigpipeinc.com
66.244.238.82	PTR	h64-244-238-82.bigpipeinc.com
66.244.238.82	A	www.rockyview.ca
66.244.238.82	A	rockyview.ca
66.244.238.88	PTR	h64-244-238-88.bigpipeinc.com
66.244.238.88	A	rvupnet.ca
66.244.238.100	PTR	h64-244-238-100.bigpipeinc.com
66.244.238.100	A	ns1.cagc.ca
66.244.238.101	PTR	h64-244-238-101.bigpipeinc.com
66.244.238.101	A	cagc.ca
66.244.238.102	A	albertababeruth.ca
66.244.238.103	A	baberuthcalgary.com
66.244.238.108	PTR	h64-244-238-108.bigpipeinc.com
66.244.238.108	A	baberuthcalgary.org
66.244.238.108	A	juggy.ca
66.244.238.110	PTR	h64-244-238-110.bigpipeinc.com
66.244.238.110	A	ns2.cagc.ca
66.244.238.118	A	munki.proactis.net
66.244.238.132	PTR	www.istockphoto.com
66.244.238.138	PTR	h64-244-238-138.bigpipeinc.com
66.244.238.138	A	mail.gearenergy.ca
66.244.238.138	A	mail.gearenergy.com
66.244.238.162	PTR	iweb2.istockphoto.com
66.244.238.162	A	wingate-calgary.sites.intello.com
66.244.238.167	PTR	iweb7.istockphoto.com
66.244.238.169	A	minimail01.gettyimages.com
66.244.239.0	PTR	h66-244-239-0.bigpipeinc.com
66.244.239.0	A	gibsons.com
66.244.239.2	PTR	h66-244-239-2.bigpipeinc.com
66.244.239.5	PTR	h66-244-239-5.bigpipeinc.com
66.244.239.5	A	jayden-alexander.com
66.244.239.9	PTR	h66-244-239-9.bigpipeinc.com
66.244.239.9	A	ccalgary.com
66.244.239.14	PTR	mailserver.cwave.com
66.244.239.14	A	mail.printscore.com
66.244.239.20	PTR	www3.cwave.com
66.244.239.20	A	cwhat.com
66.244.239.49	PTR	h66-244-239-49.bigpipeinc.com
66.244.239.49	A	mail.calgasinc.com
66.244.239.49	A	smtp.calgasinc.com
66.244.239.83	PTR	h66-244-239-83.bigpipeinc.com
66.244.239.83	A	wearetheworld.ca
66.244.239.208	PTR	h66-244-239-208.bigpipeinc.com
66.244.239.208	A	petwellnessplans.com
66.244.239.210	PTR	h66-244-239-210.bigpipeinc.com
66.244.239.210	A	www.waynecao.com
66.244.239.210	A	cleanscapesoutdoorservices.ca
66.244.239.238	PTR	mail.seeyourgame.com