Robtex

Up: 72.5.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.5.20.0/23
Down right: 72.5.22.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.5.22.35	A	chaseloanconsolidation.com
72.5.22.50	A	deltastatealumni-studentloans.com
72.5.22.50	A	studentloanconsolidationprogram.net
72.5.22.51	A	slcp.com
72.5.22.53	A	cfspartnerships.com
72.5.22.56	A	cfsplusloan.com
72.5.22.66	A+PTR	mail.obi.capitalone.com
72.5.22.66	A	obi.capitalone.com
72.5.22.78	A	demo7.postfuture.net
72.5.22.81	A	mail.registrationmail.com
72.5.22.111	A	tx3.irvingoil-mail.com
72.5.22.111	A	tx3.mail-mx.com
72.5.22.111	A	tx3.mvp-mail.com
72.5.22.114	A+PTR	mail.first-tn-mail.com
72.5.22.120	PTR	mail.dtd-mail.com
72.5.22.120	A	samsclubrecalls.com
72.5.22.120	A	mail.e-aig.com
72.5.22.121	PTR	mail.fhel-mail.com
72.5.22.125	A	services-contact.com
72.5.22.125	A	hhpfservices.com
72.5.22.158	PTR	border11.fe3-17.sdcclinical-3.bsn.pnap.net
72.5.22.158	A	opticalsecurity.com
72.5.22.158	A	appliedopticaltechnologies.com
72.5.22.197	A	system.clecsoftware.com
72.5.22.211	A+PTR	fanhub.com
72.5.22.211	A	fanhub.co.uk
72.5.22.212	PTR	fanhub.com
72.5.22.214	A	bqocs.com
72.5.22.218	PTR	secure.telcoprovider.com
72.5.22.218	A	quicktel.clecsoftware.com
72.5.22.219	A+PTR	secure.telcoprovider.com
72.5.22.219	A	telcoprovider.com
72.5.22.226	A	bqdia.com
72.5.22.242	A	marcusevansdirct.com
72.5.22.242	A	fusionmvno.net
72.5.22.245	PTR	fanhub.com
72.5.23.158	A	vpn.nextticketing.com
72.5.23.161	A	ip-72-5-23-161.sovlmaib1.hostyours.com
72.5.23.162	A	ip-72-5-23-162.sovlmaib1.hostyours.com
72.5.23.166	A	ip-72-5-23-166.sovlmaib1.hostyours.com
72.5.23.172	A	web7.nextticketing.com
72.5.23.173	A	web8.nextticketing.com
72.5.23.174	A	maestro2.nextticketing.com
72.5.23.175	A	mas3.nextticketing.com
72.5.23.177	A	maestro1.nextticketing.com