Robtex

Up: 64.20.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 64.20.224.0/22
Down right: 64.20.228.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.20.224.7	A	dal-vhs-01.corenap.com
64.20.224.9	A+PTR	dal-ipkvm-01.corenap.com
64.20.224.18	A+PTR	ns10.corenap.com
64.20.224.114	PTR	net64-20-224-114.corenap.com
64.20.225.0	PTR	net-64-20-225-0.static-customer.corenap.com
64.20.225.2	A+PTR	test.bybaxter.com
64.20.225.98	A+PTR	bps-98.bybaxter.com
64.20.225.99	A	bps-99.bybaxter.com
64.20.225.101	A	bps-101.bybaxter.com
64.20.225.103	A	bps-103.bybaxter.com
64.20.225.105	A	bps-105.bybaxter.com
64.20.225.106	A+PTR	bps-106.bybaxter.com
64.20.225.107	A	bps-107.bybaxter.com
64.20.225.108	A	bps-108.bybaxter.com
64.20.225.112	A	bps-112.bybaxter.com
64.20.225.113	A	bps-113.bybaxter.com
64.20.225.114	A	bps-114.bybaxter.com
64.20.225.115	A	bps-115.bybaxter.com
64.20.225.120	A+PTR	bps-120.bybaxter.com
64.20.225.121	A	bps-121.bybaxter.com
64.20.225.122	A	bps-122.bybaxter.com
64.20.225.123	A	bps-123.bybaxter.com
64.20.225.128	A	lucent.bybaxter.com
64.20.225.129	A	siteplanning.bybaxter.com
64.20.225.131	A	data.bybaxter.com
64.20.225.135	A	neptune.bybaxter.com
64.20.225.138	A	sgi.bybaxter.com
64.20.226.18	PTR	net64-20-226-18.static-customer.corenap.com
64.20.226.18	A	ns3.factech.com
64.20.226.19	PTR	net64-20-226-19.static-customer.corenap.com
64.20.226.19	A	mx1.factech.com
64.20.226.20	A	mx2.factech.com
64.20.226.36	A	git.factech.com
64.20.226.76	A	sitefm2.com
64.20.226.92	A	w3cdt002.sitefm.com
64.20.226.171	PTR	net64-20-226-171.static-customer.corenap.com
64.20.226.171	A	360internal.com
64.20.226.173	A	mail.360internal.com
64.20.226.175	A	mail.360stage.net
64.20.226.180	A	360stage.net
64.20.226.181	A	atlasdevmail.360internal.com
64.20.226.188	A	atlasstagemail.360stage.net
64.20.226.195	A	training7.tk20.com
64.20.226.202	A	training1.tk20.com
64.20.226.233	PTR	net64-20-226-233.static-customer.corenap.com
64.20.227.18	PTR	thewho.net
64.20.227.18	A	*.thewho.net
64.20.227.37	A	servernotifications.com
64.20.227.42	A	fttavl.com
64.20.227.52	A	mail.foojutsu.org
64.20.227.52	A	gregoryfoster.name
64.20.227.52	A	mail.entersection.com
64.20.227.78	A	mail.snhtechnology.com
64.20.227.105	PTR	net64-20-227-105.static-customer.corenap.com
64.20.227.105	A	*.rbsystems.com
64.20.227.105	A	www.abisoftware.com
64.20.227.117	A	rbace4trucks.com
64.20.227.128	PTR	mxtb-subnet64.mxtoolbox.com
64.20.227.131	A+PTR	keeper3.mxtoolbox.com
64.20.227.131	A	etoolsgroup.com
64.20.227.131	A	mx1.mx-s.com
64.20.227.132	A	em.mxtoolbox.com
64.20.227.137	PTR	net64-20-227-137.static-customer.corenap.com
64.20.227.137	A	outbound-a3.mx-route.com
64.20.227.137	A	keeper1.mxtoolbox.com
64.20.227.138	A+PTR	keeper2.mxtoolbox.com
64.20.228.1	PTR	sandbox.tk20.com
64.20.228.1	A	corban.tk20.com
64.20.228.6	A	eportfolio.txstate.edu
64.20.228.9	PTR	gsssfordham.tk20.com
64.20.228.12	A	unm.tk20.com
64.20.228.21	A	usm.tk20.com
64.20.228.29	A	pearsonintegration.tk20.com
64.20.228.80	A	net64.20.228.80.static-customer.corenap.com
64.20.228.88	A	net64.20.228.88.static-customer.corenap.com
64.20.228.115	PTR	net64.20.228.115.static-customer.corenap.com
64.20.228.117	A	maxpoint.eu
64.20.228.117	A	maxpointexpress.org
64.20.228.117	A	maxpointexpress.net
64.20.228.122	A+PTR	mx.maxpoint.com
64.20.228.122	A	mx.maxpointinteractive.com
64.20.228.123	PTR	net64.20.228.123.static-customer.corenap.com
64.20.228.123	A	mpidata.net
64.20.228.146	PTR	net64.20.228.146.static-customer.corenap.com
64.20.229.1	A+PTR	out-1.veganingredients.com
64.20.229.1	A	ns2.veganingredients.com
64.20.229.1	A	ns1.veganingredients.com
64.20.229.2	PTR	out-2.veganingredients.com
64.20.229.3	PTR	out-3.veganingredients.com
64.20.229.11	A	northyish.com
64.20.229.13	A	out-13.veganingredients.com
64.20.229.100	A	ns1.jetxp.com
64.20.229.101	A	mx.jetxp.com
64.20.229.145	A	allsipdial.net
64.20.229.225	PTR	64.20.229-225.static-customer.corenap.com
64.20.231.13	A	mail.scoreitforeveryone.com
64.20.231.17	A	m04.blazingideas.com
64.20.231.18	A	m04.sportshistorykids.com
64.20.231.18	A	mail.scoreitforme.com
64.20.231.20	A	scoresaverforme.com
64.20.231.24	A+PTR	m05.orderidea.com
64.20.231.24	A	orderidea.com
64.20.231.25	A	m05.powerplaybook.com
64.20.231.25	A	powerplaybook.com
64.20.231.27	PTR	theoriginalgreatidea.com
64.20.231.33	PTR	net64-20-231-33.static-customer.corenap.com
64.20.231.33	A	schoolchoiceworks.net
64.20.231.33	A	zachbrady.com
64.20.231.115	PTR	net64-20-231-115.static-customer.corenap.com
64.20.231.115	A	sm2.gopsenators.com
64.20.231.115	A	gopsenators.org