Robtex

Up: 38.66.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 38.66.16.0/23
Down right: 38.66.18.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
38.66.16.2	PTR	ns2.soonerwireless.com
38.66.16.2	A	ns1.soonerwireless.com
38.66.16.10	A	isptc.biz
38.66.16.19	A	mail.onicle.net
38.66.16.20	A	ts3.wildcatsclan.net
38.66.19.35	A	vpn.lcibest.com
38.66.19.39	A	dns2.lcibest.com
38.66.19.40	A	5pointleader.com
38.66.19.40	A	joinlci.com
38.66.19.40	A	www.joinlci.com
38.66.19.61	A	smtp.lcibest.com