Robtex

Up: 66.90.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.90.240.0/23
Down right: 66.90.242.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.90.240.12	A	mail.ncfdirect.com
66.90.240.35	A	southhaysfire.com
66.90.240.35	A	www.southhaysfire.com
66.90.240.36	A	www.texasfireacademy.com
66.90.240.36	A	smartdivers.com
66.90.240.36	A	texasfireacademy.com
66.90.240.38	PTR	66-90-240-38.static.grandenetworks.net
66.90.240.40	A	ns2.nustats.com
66.90.240.84	A	mail.sacnpac.com
66.90.240.84	A	66-90-240-84.static.grandenetworks.net
66.90.240.98	PTR	pavpn.mccoys.com
66.90.240.101	PTR	66-90-240-101.static.grandenetworks.net
66.90.240.101	A	eusc.com
66.90.240.103	PTR	66-90-240-103.static.grandenetworks.net
66.90.240.103	A	mail.eusc.com
66.90.240.115	PTR	66-90-240-115.static.grandenetworks.net
66.90.240.115	A	mail.mccoys.com
66.90.240.115	A	www.mccoys.com
66.90.240.116	A	pavpn.mccoys.com
66.90.240.117	PTR	66-90-240-117.static.grandenetworks.net
66.90.240.149	PTR	66-90-240-149.static.grandenetworks.net
66.90.240.149	A	texassurehelp.com
66.90.240.155	PTR	66-90-240-155.static.grandenetworks.net
66.90.240.155	A	txoag.net
66.90.241.0	A	66-90-241-0.ip.grandenetworks.net
66.90.241.2	A	66-90-241-2.ip.grandenetworks.net
66.90.241.7	A	66-90-241-7.ip.grandenetworks.net
66.90.241.14	A	66-90-241-14.ip.grandenetworks.net
66.90.241.20	A	66-90-241-20.ip.grandenetworks.net
66.90.241.24	A	66-90-241-24.ip.grandenetworks.net
66.90.241.26	A	66-90-241-26.ip.grandenetworks.net
66.90.241.29	A	66-90-241-29.ip.grandenetworks.net
66.90.241.30	A	66-90-241-30.ip.grandenetworks.net
66.90.241.32	A	66-90-241-32.ip.grandenetworks.net
66.90.241.34	A	66-90-241-34.ip.grandenetworks.net
66.90.241.38	A	66-90-241-38.ip.grandenetworks.net
66.90.241.40	A	66-90-241-40.ip.grandenetworks.net
66.90.241.44	A	66-90-241-44.ip.grandenetworks.net
66.90.241.48	A	66-90-241-48.ip.grandenetworks.net
66.90.241.52	A	66-90-241-52.ip.grandenetworks.net
66.90.241.62	A	66-90-241-62.ip.grandenetworks.net
66.90.241.65	A	66-90-241-65.ip.grandenetworks.net
66.90.241.69	A	66-90-241-69.ip.grandenetworks.net
66.90.241.70	A	66-90-241-70.ip.grandenetworks.net
66.90.241.72	A	66-90-241-72.ip.grandenetworks.net
66.90.241.73	A	66-90-241-73.ip.grandenetworks.net
66.90.241.76	A	66-90-241-76.ip.grandenetworks.net
66.90.241.82	A	66-90-241-82.ip.grandenetworks.net
66.90.241.84	A	66-90-241-84.ip.grandenetworks.net
66.90.241.86	A	66-90-241-86.ip.grandenetworks.net
66.90.241.88	A	66-90-241-88.ip.grandenetworks.net
66.90.241.90	A	66-90-241-90.ip.grandenetworks.net
66.90.241.92	A	66-90-241-92.ip.grandenetworks.net
66.90.241.98	A	66-90-241-98.ip.grandenetworks.net
66.90.241.101	A	66-90-241-101.ip.grandenetworks.net
66.90.241.103	A	66-90-241-103.ip.grandenetworks.net
66.90.241.104	A	66-90-241-104.ip.grandenetworks.net
66.90.241.106	A	66-90-241-106.ip.grandenetworks.net
66.90.241.108	A	66-90-241-108.ip.grandenetworks.net
66.90.241.119	PTR	66-90-241-119.static.grandenetworks.net
66.90.241.119	A	66-90-241-119.ip.grandenetworks.net
66.90.241.124	A	66-90-241-124.ip.grandenetworks.net
66.90.241.125	A	66-90-241-125.ip.grandenetworks.net
66.90.241.126	A	66-90-241-126.ip.grandenetworks.net
66.90.241.127	A	66-90-241-127.ip.grandenetworks.net
66.90.241.129	A	66-90-241-129.ip.grandenetworks.net
66.90.241.137	A	66-90-241-137.ip.grandenetworks.net
66.90.241.139	A	66-90-241-139.ip.grandenetworks.net
66.90.241.140	A	66-90-241-140.ip.grandenetworks.net
66.90.241.141	A	66-90-241-141.ip.grandenetworks.net
66.90.241.144	A	66-90-241-144.ip.grandenetworks.net
66.90.241.147	A	66-90-241-147.ip.grandenetworks.net
66.90.241.150	A	66-90-241-150.ip.grandenetworks.net
66.90.241.152	A	66-90-241-152.ip.grandenetworks.net
66.90.241.154	A	66-90-241-154.ip.grandenetworks.net
66.90.241.158	A	66-90-241-158.ip.grandenetworks.net
66.90.241.160	A	66-90-241-160.ip.grandenetworks.net
66.90.241.163	A	66-90-241-163.ip.grandenetworks.net
66.90.241.164	A	66-90-241-164.ip.grandenetworks.net
66.90.241.167	A	66-90-241-167.ip.grandenetworks.net
66.90.241.171	A	66-90-241-171.ip.grandenetworks.net
66.90.241.175	A	66-90-241-175.ip.grandenetworks.net
66.90.241.182	A	66-90-241-182.ip.grandenetworks.net
66.90.241.184	A	66-90-241-184.ip.grandenetworks.net
66.90.241.187	PTR	66-90-241-187.static.grandenetworks.net
66.90.241.187	A	66-90-241-187.ip.grandenetworks.net
66.90.241.189	A	66-90-241-189.ip.grandenetworks.net
66.90.241.196	A	66-90-241-196.ip.grandenetworks.net
66.90.241.198	A	66-90-241-198.ip.grandenetworks.net
66.90.241.207	A	66-90-241-207.ip.grandenetworks.net
66.90.241.208	A	66-90-241-208.ip.grandenetworks.net
66.90.241.209	A	66-90-241-209.ip.grandenetworks.net
66.90.241.210	A	66-90-241-210.ip.grandenetworks.net
66.90.241.212	A	66-90-241-212.ip.grandenetworks.net
66.90.241.221	A	66-90-241-221.ip.grandenetworks.net
66.90.241.224	A	66-90-241-224.ip.grandenetworks.net
66.90.241.225	A	66-90-241-225.ip.grandenetworks.net
66.90.241.226	A	66-90-241-226.ip.grandenetworks.net
66.90.241.230	A	66-90-241-230.ip.grandenetworks.net
66.90.241.232	A	66-90-241-232.ip.grandenetworks.net
66.90.241.238	A	66-90-241-238.ip.grandenetworks.net
66.90.241.245	A	66-90-241-245.ip.grandenetworks.net
66.90.241.248	A	66-90-241-248.ip.grandenetworks.net
66.90.241.251	A	66-90-241-251.ip.grandenetworks.net
66.90.241.252	A	66-90-241-252.ip.grandenetworks.net
66.90.241.254	A	66-90-241-254.ip.grandenetworks.net
66.90.241.255	A	66-90-241-255.ip.grandenetworks.net
66.90.242.3	A	66-90-242-3.dyn.grandenetworks.net
66.90.242.24	A+PTR	66-90-242-24.dyn.grandenetworks.net
66.90.242.39	A+PTR	66-90-242-39.dyn.grandenetworks.net
66.90.242.86	A+PTR	66-90-242-86.dyn.grandenetworks.net
66.90.243.37	PTR	66-90-243-37.static.grandenetworks.net
66.90.243.37	A	*.myintershare.com
66.90.243.37	A	server.myintershare.com
66.90.243.41	PTR	66-90-243-41.static.grandenetworks.net
66.90.243.41	A	mcs-server2.medicalcomputingsolutions.com
66.90.243.52	PTR	66-90-243-52.static.grandenetworks.net
66.90.243.52	A	shadowcontrol.hctechguys.com
66.90.243.72	PTR	66-90-243-72.static.grandenetworks.net
66.90.243.72	A	*.smhcems.net
66.90.243.72	A	smhcems.com
66.90.243.129	PTR	cosmvpn.sanmarcostx.gov
66.90.243.196	PTR	66-90-243-196.static.grandenetworks.net
66.90.243.196	A	cmmsxray.org
66.90.243.197	A+PTR	66-90-243-197.static.grandenetworks.net