Robtex

Up: 72.73.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.73.24.0/22
Down right: 72.73.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.73.24.1	PTR	lo0-100.clppva-vfttp-305.verizon-gni.net
72.73.24.61	A	iostep.com
72.73.24.90	A+PTR	pool-72-73-24-90.clppva.fios.verizon.net
72.73.24.101	A	r-i-a.org
72.73.24.170	A	pool-72-73-24-170.clppva.fios.verizon.net
72.73.25.18	A	afsdb2.sinenomine.net
72.73.25.22	A	va.sinenomine.net
72.73.25.26	A	win-qi632oq15pe.aulma.com
72.73.25.37	A	mail.dynazine.com
72.73.25.50	A+PTR	static-72-73-25-50.clppva.fios.verizon.net
72.73.25.50	A	*.steelcloud.com
72.73.25.50	A	mail.steelcloud.com
72.73.25.90	PTR	mail.steelcloud.com
72.73.25.90	A	chartflight.com
72.73.25.90	A	essentialflight.us
72.73.25.94	A	www.alwaysahead.info
72.73.25.116	A	kaya.eecpas.com
72.73.25.116	A	static-72-73-25-116.clppva.fios.verizon.net
72.73.25.116	A	*.eecpas.com
72.73.25.139	PTR	mail.keaneenterprises.com
72.73.25.190	A	static-72-73-25-190.clppva.fios.verizon.net
72.73.25.195	A+PTR	mail.keaneenterprises.com
72.73.25.202	A+PTR	static-72-73-25-202.clppva.fios.verizon.net
72.73.26.1	PTR	lo0-100.clppva-vfttp-304.verizon-gni.net
72.73.26.44	A	pool-72-73-26-44.clppva.fios.verizon.net
72.73.26.48	A	autumntech.ddns.net
72.73.26.147	PTR	pool-72-73-26-147.clppva.fios.verizon.net
72.73.27.1	PTR	lo0-100.clppva-vfttp-302.verizon-gni.net
72.73.27.117	A	pool-72-73-27-117.clppva.fios.verizon.net
72.73.27.187	A+PTR	pool-72-73-27-187.clppva.fios.verizon.net
72.73.27.250	PTR	pool-72-73-27-250.clppva.fios.verizon.net
72.73.27.250	A	nolava3102.com
72.73.28.52	A	mail.welfordengineering.com
72.73.28.52	A	mail.welfordengineeringassociates.com
72.73.28.52	A	mail.welford.com
72.73.28.82	A+PTR	static-72-73-28-82.clppva.fios.verizon.net
72.73.28.98	A+PTR	mail.fredcardio.com
72.73.28.140	A	gci-dc.com
72.73.28.140	A	gci-dc.net
72.73.28.140	A	mail.impartvideo.com
72.73.28.179	A	rosneremployeeportal.com
72.73.28.235	A	matthewjordonbaker.com
72.73.29.1	PTR	lo0-100.clppva-vfttp-304.verizon-gni.net
72.73.29.18	PTR	pool-72-73-29-18.clppva.fios.verizon.net
72.73.29.69	A	mfe.thruhere.net
72.73.30.1	PTR	lo0-100.clppva-vfttp-305.verizon-gni.net
72.73.30.2	A+PTR	2.langent.com
72.73.30.2	A	*.langent.com
72.73.30.2	A	langent.com
72.73.30.3	PTR	3.langent.com
72.73.30.4	PTR	4.langent.com
72.73.30.26	A	mkbttech.net
72.73.30.35	A	mail.ctscentral.com
72.73.30.42	PTR	va.sinenomine.net
72.73.30.50	PTR	mail.caesare.com
72.73.30.50	A	thewizardofos.org
72.73.30.50	A	wizardofos.org
72.73.30.54	A	fssp01.flashstream.net
72.73.30.74	PTR	static-72-73-30-74.clppva.fios.verizon.net
72.73.30.74	A	afsdb3.sinenomine.net
72.73.30.78	A	va2.sinenomine.net
72.73.30.78	A	kmphoto.biz
72.73.30.170	PTR	lancelot.otd.com
72.73.30.171	PTR	penn.otd.com
72.73.30.237	A	mikelouis.com
72.73.30.237	A	static-72-73-30-237.clppva.fios.verizon.net
72.73.30.237	A	mail.kontero.com
72.73.30.242	A+PTR	mail1.geoconcepts-eng.com
72.73.31.170	A	pool-72-73-31-170.clppva.fios.verizon.net