Robtex

Up: 64.72.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 64.72.160.0/21
Down right: 64.72.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.72.160.45	A	www.cfinst.org
64.72.160.45	A	cfinst.org
64.72.160.200	A	mail3.pettitservers.com
64.72.160.226	A+PTR	dfva3-g3.mtidns.net
64.72.160.226	A	somuchsports.com
64.72.160.226	A	somuchamazing.com
64.72.160.227	PTR	234be.insurancesavingsfinderslist.com
64.72.161.11	A	sharpscape.net
64.72.161.67	A	mail.globalconnectionhub.com
64.72.161.68	A	globalconnectionhub.com
64.72.161.134	A	wilshirenetworks.com
64.72.161.228	A	mail.pathlink.net
64.72.161.245	A	ns1.stabletechserver.com
64.72.161.246	A	ns2.stabletechserver.com
64.72.162.2	A	locksmith-wins.a2zdevelopment.com
64.72.162.5	A	monitor.a2zdevelopment.com
64.72.162.6	A	sentry.a2zdevelopment.com
64.72.162.8	A	zabbix.a2zdevelopment.com
64.72.162.20	A	syslog.a2zdevelopment.com
64.72.162.23	A	stingray.pulvertech.com
64.72.162.28	A	ocean.a2zdevelopment.com
64.72.162.30	A	adxspdb01.a2zdevelopment.com
64.72.162.41	A	ehobadx01.a2zdevelopment.com
64.72.162.48	A	calypso.a2zdevelopment.com
64.72.162.50	A	bugs.pulvertech.com
64.72.162.66	PTR	retrievedetect.com
64.72.162.66	A	ns1.pulvertech.com
64.72.162.66	A	ns1.a2zdevelopment.com
64.72.162.69	A	ns2.amazondns.com
64.72.162.110	A	xenhost02.a2zdevelopment.com
64.72.162.111	A	xendom02-1.a2zdevelopment.com
64.72.162.112	A	xendom02-2.a2zdevelopment.com
64.72.162.113	PTR	mail50597.coloradorockytopps.com
64.72.162.113	A	xendom02-3.a2zdevelopment.com
64.72.162.114	A	xendom02-4.a2zdevelopment.com
64.72.162.116	A	xendom02-6.a2zdevelopment.com
64.72.170.195	A	ns0.sterlingdevelopment.com
64.72.171.66	PTR	senc-01-0401-phx1.cloud.datacate.net
64.72.172.90	A	wmpdc.a2zdevelopment.com
64.72.172.136	A	azws001.a2zdevelopment.com
64.72.172.137	A	azmtdev01.a2zdevelopment.com
64.72.172.138	A	ptcdb01.a2zdevelopment.com
64.72.172.139	A	azmtspdb01.a2zdevelopment.com
64.72.172.145	A	azmt002.a2zdevelopment.com
64.72.172.146	A	azmtdb01.a2zdevelopment.com
64.72.172.147	A	azmtstgdb01.a2zdevelopment.com
64.72.172.150	A	azmtsp01.a2zdevelopment.com
64.72.172.164	A	perfumepleasure.com
64.72.172.164	A	www.amazonsitemanager.com
64.72.172.164	A	amazonsitemanager.com
64.72.174.44	A	hopeandaprayer.com
64.72.174.44	A	themicrodeliverypeel.com
64.72.174.44	A	themiracleworker.com
64.72.174.130	A	xendom02-7.a2zdevelopment.com
64.72.174.130	A	fileproxy.a2zdevelopment.com
64.72.174.142	A	imgsrv2.amazonservices.com
64.72.174.142	A	xendom02-5.a2zdevelopment.com