Robtex

Up: 72.25.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 72.25.160.0/20
Down right: 72.25.176.0/20

IP	Type	Hostname
72.25.161.98	PTR	douglasdistributing.com
72.25.163.134	PTR	mail.focusutah.com
72.25.163.186	PTR	www.utahreps.com
72.25.163.186	A	utahreps.com
72.25.163.252	A	mail.practicalusedcars.com
72.25.164.196	A	mail.gobcconferenceroom.com
72.25.164.196	A	mail.gatewaybusinesscenter.com
72.25.164.201	A+PTR	mail.ku-cpa.com
72.25.165.43	A	mail.bennioninvestment.com
72.25.165.43	A	mail.bennioninvestmentgroup.com
72.25.165.44	PTR	exchange.anniversaryinn.com
72.25.165.60	A	clrpbx.phoenixservices.org
72.25.166.3	A	libertyhomesplans.com
72.25.166.3	A	*.libertyhomesplans.com
72.25.166.122	A	lightingdesigncompany.com
72.25.166.122	A	mail.lightingdesigncompany.com
72.25.166.205	PTR	odcbountiful.com
72.25.169.122	A	mail.ghid.org
72.25.170.245	PTR	mail.chl.cc
72.25.171.2	PTR	mail.businessoftware.com
72.25.171.106	PTR	mail.royalogden.com
72.25.171.122	PTR	mail.softwaremedia.com
72.25.171.122	A	mail.saltlakemotorsports.com
72.25.171.194	A+PTR	ibmserver1.parkcityrealtors.com
72.25.171.210	PTR	mail.pepg.net
72.25.171.234	PTR	mx.nafep.com
72.25.175.130	A	mail.aamgrs.com
72.25.176.26	PTR	server01.ucscphx.com
72.25.176.26	A	mail.buyucsc.com
72.25.176.74	PTR	mail.arizonaafo.com
72.25.176.83	PTR	mail.precisioninc.org
72.25.176.83	A	precisiontitle.org
72.25.176.162	PTR	mail.pmc.cc
72.25.176.178	A	mail.ecpa.org
72.25.177.218	A	mail.cfmlaw.com
72.25.178.18	PTR	mail.chadsnowlawoffice.com
72.25.178.66	PTR	mail.aneuron.com
72.25.178.102	A	mail.cedphx.com
72.25.180.102	PTR	srv1.tobyhouse.com
72.25.180.154	A	mail.rdh-env.com
72.25.180.155	A	compliancedata.net
72.25.180.178	PTR	mail.wreb.org
72.25.182.82	PTR	psslaw.com
72.25.182.202	PTR	flocrit.org
72.25.182.203	PTR	mail2.flowcrit.org
72.25.183.85	PTR	mail.expresshomeservices.com
72.25.183.234	PTR	first.azlgm.com
72.25.183.250	PTR	mail.barrinsurance.net
72.25.184.66	PTR	mail.pinnacleforum.com
72.25.184.226	PTR	mail.scottsdalemortgage.com
72.25.186.5	PTR	access0-mul7.phx.eschelon.com
72.25.186.8	A	static-72-25-186-8.customer.tempazmchg5.phx.eschelon.com
72.25.186.10	A	static-72-25-186-10.customer.tempazmchg5.phx.eschelon.com
72.25.186.13	A	static-72-25-186-13.customer.tempazmchg5.phx.eschelon.com
72.25.186.15	A	static-72-25-186-15.customer.tempazmchg5.phx.eschelon.com
72.25.186.40	A	static-72-25-186-40.customer.tempazmchg5.phx.eschelon.com
72.25.186.42	A	static-72-25-186-42.customer.tempazmchg5.phx.eschelon.com
72.25.186.50	A	static-72-25-186-50.customer.tempazmchg5.phx.eschelon.com
72.25.186.51	A	static-72-25-186-51.customer.tempazmchg5.phx.eschelon.com
72.25.186.64	A+PTR	static-72-25-186-64.customer.tempazmchg5.phx.eschelon.com
72.25.186.65	A+PTR	static-72-25-186-65.customer.tempazmchg5.phx.eschelon.com
72.25.186.66	A+PTR	static-72-25-186-66.customer.tempazmchg5.phx.eschelon.com
72.25.186.67	A+PTR	static-72-25-186-67.customer.tempazmchg5.phx.eschelon.com
72.25.186.96	A+PTR	static-72-25-186-96.customer.tempazmchg5.phx.eschelon.com
72.25.186.97	A+PTR	static-72-25-186-97.customer.tempazmchg5.phx.eschelon.com
72.25.186.104	A	static-72-25-186-104.customer.tempazmchg5.phx.eschelon.com
72.25.186.111	A	static-72-25-186-111.customer.tempazmchg5.phx.eschelon.com
72.25.186.129	A+PTR	static-72-25-186-129.customer.tempazmchg5.phx.eschelon.com
72.25.186.140	A	static-72-25-186-140.customer.tempazmchg5.phx.eschelon.com
72.25.186.144	A	static-72-25-186-144.customer.tempazmchg5.phx.eschelon.com
72.25.186.146	A	static-72-25-186-146.customer.tempazmchg5.phx.eschelon.com
72.25.186.162	PTR	core-x700.e-wti.com
72.25.186.164	PTR	ns1.e-wti.com
72.25.186.175	A	static-72-25-186-175.customer.tempazmchg5.phx.eschelon.com
72.25.186.176	A	static-72-25-186-176.customer.tempazmchg5.phx.eschelon.com
72.25.186.180	A	static-72-25-186-180.customer.tempazmchg5.phx.eschelon.com
72.25.186.190	A	static-72-25-186-190.customer.tempazmchg5.phx.eschelon.com
72.25.186.192	A+PTR	static-72-25-186-192.customer.tempazmchg5.phx.eschelon.com
72.25.186.194	PTR	remote.pinnacleprintingaz.com
72.25.186.194	A+PTR	static-72-25-186-194.customer.tempazmchg5.phx.eschelon.com
72.25.186.196	A	static-72-25-186-196.customer.tempazmchg5.phx.eschelon.com
72.25.186.198	A	static-72-25-186-198.customer.tempazmchg5.phx.eschelon.com
72.25.186.227	A+PTR	static-72-25-186-227.customer.tempazmchg5.phx.eschelon.com
72.25.186.230	A	static-72-25-186-230.customer.tempazmchg5.phx.eschelon.com
72.25.186.235	A	static-72-25-186-235.customer.tempazmchg5.phx.eschelon.com
72.25.186.238	A	static-72-25-186-238.customer.tempazmchg5.phx.eschelon.com
72.25.187.34	PTR	mail.ktecdirect.com
72.25.188.42	PTR	mail.acebldgmaint.com
72.25.188.226	PTR	mail.arciterra.com
72.25.189.11	PTR	azvent.com
72.25.189.230	PTR	mail.ffec.com
72.25.189.230	A	mail.firstfinancialequity.com