Robtex

Up: 66.78.244.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.78.244.0/25
Down right: 66.78.244.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.78.244.0	PTR	scnhq-66-78-244-0.smartcity.com
66.78.244.5	A	vpn.smartcity.com
66.78.244.6	PTR	www.smartcity.com
66.78.244.6	A	scl.smartcity.com
66.78.244.7	PTR	mail.smartcity.com
66.78.244.7	A	ccpi-orders.net
66.78.244.7	A	smartcity.biz
66.78.244.8	PTR	scn.smartcity.com
66.78.244.8	A	mail.ustelcom.com
66.78.244.8	A	mail.smartcitydc.com
66.78.244.9	PTR	smtp.smartcity.com
66.78.244.9	A	ex2010.smartcity.com
66.78.244.9	A	mail.smartcitynetworks.com
66.78.244.14	A	radius.smartcity.com
66.78.244.17	A	ftp.smartcity.com
66.78.244.25	A+PTR	www.smartcitynetworks.com
66.78.244.25	A	smartcitymobile.com
66.78.244.25	A	smartcitynetworks.com
66.78.244.26	A	csacs.smartcity.com
66.78.244.27	A	tftp.smartcity.com
66.78.244.31	A	datateam.smartcity.com
66.78.244.31	A	noc.smartcity.com
66.78.244.36	A	redirect.smartcity.com
66.78.244.37	A	mpinet.smartcity.com
66.78.244.38	A	portal.smartcity.com
66.78.244.39	A	telecom.smartcity.com
66.78.244.40	A	solutions.smartcity.com
66.78.244.41	PTR	scnhq-66-78-244-41.smartcity.com
66.78.244.44	A	a10-1.smartcity.com
66.78.244.48	A+PTR	www.smartcity.com
66.78.244.48	A	smartcity.com
66.78.244.48	A	www.prioritynetworks.com
66.78.244.55	A	orion-occc.smartcity.com
66.78.244.56	A	pacific.smartcity.com
66.78.244.59	A+PTR	www.smartcitytelecom.com
66.78.244.59	A	www.smartcity.net
66.78.244.59	A	citrix.smartcity.com
66.78.244.64	A	orion-lvcc.smartcity.com
66.78.244.73	A	east.smartcity.com
66.78.244.74	A	vpn.smartcity.com
66.78.244.90	PTR	scnhq-66-78-244-90.smartcity.com
66.78.244.90	A	eventpathanaheim.com
66.78.244.90	A	eventpath.us
66.78.244.92	PTR	scnhq-66-78-244-92.smartcity.com
66.78.244.92	A	eventpathdc.com
66.78.244.97	PTR	scnhq-66-78-244-97.smartcity.com
66.78.244.97	A	hellohoopla.com
66.78.244.130	A	gw.smartcity.com
66.78.244.130	A	nomadix.smartcity.com
66.78.244.131	A	snort-console.smartcity.com
66.78.244.138	PTR	scnhq-66-78-244-138.smartcity.com
66.78.244.138	A	www.mpinet.com
66.78.244.138	A	mpinet.com
66.78.244.158	A+PTR	ex2010-edge-2.smartcity.com
66.78.244.158	A	mail.smartcitymobile.com
66.78.244.158	A	mail.smartcitynetworks.com
66.78.244.160	PTR	mail.denverconvention.com
66.78.244.160	A	outlook.denverconvention.com
66.78.244.164	A	hq.smartcity.com
66.78.244.164	A	gw-hq.smartcity.com
66.78.244.181	A	marvelnetworks.com
66.78.244.181	A	uloveusmemo.com
66.78.244.195	A	citrix-client.smartcity.com
66.78.244.195	A	support.smartcity.com
66.78.244.195	A	download.smartcity.com
66.78.244.197	A	gw1-bv.smartcity.com
66.78.244.198	A	felix.smartcity.com
66.78.244.199	A+PTR	http1.smartcity.com
66.78.244.204	PTR	scnhq-66-78-244-204.smartcity.com
66.78.244.204	A+PTR	prime-4.smartcity.com
66.78.244.254	A+PTR	ns1.smartcity.com
66.78.244.254	A	ns1.tradeshowrelay.com
66.78.244.254	A	ns1.smartcity.biz