Robtex

Up: 72.50.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 72.50.192.0/20
Down right: 72.50.208.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.50.192.74	A+PTR	72-50-192-74.fttp.usinternet.com
72.50.195.88	A	jkaster.info
72.50.195.229	A	scriba-family.org
72.50.199.4	PTR	cst4grp.static.virtualpg.net
72.50.200.2	A	mail.belgarde.com
72.50.203.38	A	beastwerks.net
72.50.203.143	A	clnt143hst.static.virtualpg.net
72.50.204.3	A+PTR	72-50-204-3.fttp.usinternet.com
72.50.204.252	A	72-50-204-252.fttp.usinternet.com
72.50.207.87	A	72-50-207-87.fttp.usinternet.com
72.50.208.34	A+PTR	72-50-208-34.fttp.usinternet.com
72.50.209.3	A	cmp3hst.static.virtualpg.net
72.50.209.18	A	mauerenterprises.net
72.50.209.19	A	suziesbabyknits.com
72.50.209.82	A	flexcompensation.com
72.50.209.169	A	osirisowl.com
72.50.209.171	A	lpfan.org
72.50.209.172	A	sisaahp.com
72.50.209.172	A	memewing.com
72.50.211.216	A	4002nas1.com
72.50.212.178	A	mirv.me
72.50.212.178	A	mail.mirv.me
72.50.213.2	PTR	72-50-213-2.fttp.usinternet.com
72.50.213.181	A	theglassoctopus.com
72.50.213.181	A	octotec.com
72.50.215.88	A+PTR	72-50-215-88.fttp.usinternet.com
72.50.215.125	A+PTR	72-50-215-125.fttp.usinternet.com
72.50.215.211	A+PTR	72-50-215-211.fttp.usinternet.com
72.50.215.211	A	useremails.com
72.50.218.245	A	72-50-218-245.fttp.usinternet.com
72.50.219.2	A	braddugdale.com
72.50.219.115	A	kathynelson.org
72.50.219.115	A	spacia.org
72.50.219.115	A	leveragerobotics.com
72.50.219.166	A	pixsoniq.com
72.50.219.166	A	maddyhentges.com
72.50.219.166	A	maddyclara.com
72.50.221.9	A	treefortdev.com
72.50.221.22	A	dkssystems.net
72.50.221.30	A	jeremy.dkssystems.net
72.50.221.42	A	www.forc.org
72.50.221.44	A	www.imraonline.org
72.50.221.45	A	www.usegiftcards.org
72.50.221.221	A	infiniram.com
72.50.222.61	A	72-50-222-61.fttp.usinternet.com