Robtex

Up: 72.13.184.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.13.188.0/23
Down right: 72.13.190.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.13.188.19	PTR	iphost-72-13-188-19.cgy.wiband.net
72.13.188.35	PTR	mail.interalia.com
72.13.188.36	PTR	iphost-72-13-188-36.cgy.wiband.net
72.13.188.36	A	mail.renfrewchrysler.com
72.13.188.67	PTR	iphost-72-13-188-67.cgy.wiband.net
72.13.188.73	PTR	iphost-72-13-188-73.cgy.wiband.net
72.13.188.73	A	windserver.ca
72.13.188.73	A	phoenixengg.com
72.13.188.78	A+PTR	mail.heritagepark.ca
72.13.188.83	PTR	iphost-72-13-188-83.cgy.wiband.net
72.13.188.83	A	curvedms.org
72.13.188.83	A	www.curvedms.org
72.13.188.89	A+PTR	mail.athenecorporate.com
72.13.188.101	PTR	iphost-72-13-188-101.cgy.wiband.net
72.13.188.101	A	mail.nsssl.com
72.13.188.111	A	office.iconicpower.ca
72.13.188.111	A	ts.iconicpower.ca
72.13.188.130	A	gateway.bluefalls.ca
72.13.188.131	A+PTR	sheliak.bluefalls.ca
72.13.188.131	A	ns1.bluefalls.ca
72.13.188.131	A	southofheaven.ca
72.13.188.132	PTR	sulafat.bluefalls.ca
72.13.188.132	A	mail.insidearctic.com
72.13.188.132	A	lists.bluefalls.ca
72.13.188.133	PTR	k-pax.bluefalls.ca
72.13.188.136	A+PTR	lyra.bluefalls.ca
72.13.188.136	A	www.projecterp.org
72.13.188.136	A	projecterp.org
72.13.188.137	A	vega.bluefalls.ca
72.13.188.155	A+PTR	security.bluefalls.ca
72.13.188.156	A+PTR	puff.risingdragononline.com
72.13.188.157	A+PTR	squealer.finkproject.org
72.13.188.157	A	tiamat.southofheaven.org
72.13.188.158	A+PTR	snitch.finkproject.org
72.13.188.232	A+PTR	mail.bethanycare.com
72.13.188.232	A	mail.bethanyseniors.com
72.13.189.6	A	mail.opnet.ca
72.13.190.11	A	securworx.com
72.13.190.66	PTR	iphost-72-13-190-66.cgy.wiband.net
72.13.190.134	PTR	mail.planetinterlink.com
72.13.190.194	PTR	mail.hockeycanada.ca
72.13.190.195	PTR	mail.hockeycanada.ca
72.13.190.230	PTR	mail.yoursole.com
72.13.190.230	A	solesandals.com
72.13.190.230	A	sole-rx.com
72.13.191.10	PTR	iphost-72-13-191-10.cgy.wiband.net
72.13.191.12	PTR	iphost-72-13-191-12.cgy.wiband.net
72.13.191.12	A	name1.ebackupinc.com
72.13.191.13	A	name2.ebackupinc.com
72.13.191.40	A	mail.stoneynation.com
72.13.191.41	PTR	iphost-72-13-191-41.cgy.wiband.net
72.13.191.41	A	stoneynation.com
72.13.191.41	A	www.stoneynation.com
72.13.191.112	PTR	iphost-72-13-191-112.cgy.wiband.net
72.13.191.132	PTR	mail.cschurch.ca