Robtex

Up: 66.90.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.90.160.0/23
Down right: 66.90.162.0/23

IP	Type	Hostname
66.90.160.69	A+PTR	66-90-160-69.dyn.grandenetworks.net
66.90.160.86	PTR	66-90-160-86.dyn.grandenetworks.net
66.90.160.250	A	66-90-160-250.dyn.grandenetworks.net
66.90.160.255	A+PTR	66-90-160-255.dyn.grandenetworks.net
66.90.161.66	A	901e6thparking.com
66.90.161.138	A	66-90-161-138.dyn.grandenetworks.net
66.90.162.1	PTR	66-90-162-1.static.grandenetworks.net
66.90.162.1	A	66-90-162-1.dyn.grandenetworks.net
66.90.162.4	A	66-90-162-4.dyn.grandenetworks.net
66.90.162.7	A	66-90-162-7.dyn.grandenetworks.net
66.90.162.20	PTR	66-90-162-20.static.grandenetworks.net
66.90.162.20	A	66-90-162-20.dyn.grandenetworks.net
66.90.162.21	A	66-90-162-21.dyn.grandenetworks.net
66.90.162.22	A	66-90-162-22.dyn.grandenetworks.net
66.90.162.24	A	66-90-162-24.dyn.grandenetworks.net
66.90.162.29	A	66-90-162-29.dyn.grandenetworks.net
66.90.162.31	A	66-90-162-31.dyn.grandenetworks.net
66.90.162.38	A	66-90-162-38.dyn.grandenetworks.net
66.90.162.40	A	66-90-162-40.dyn.grandenetworks.net
66.90.162.47	A	66-90-162-47.dyn.grandenetworks.net
66.90.162.49	A	66-90-162-49.dyn.grandenetworks.net
66.90.162.53	A	66-90-162-53.dyn.grandenetworks.net
66.90.162.55	A	66-90-162-55.dyn.grandenetworks.net
66.90.162.67	A	66-90-162-67.dyn.grandenetworks.net
66.90.162.68	A	66-90-162-68.dyn.grandenetworks.net
66.90.162.69	A	mail.wmanor.com
66.90.162.79	A	66-90-162-79.dyn.grandenetworks.net
66.90.162.81	A	66-90-162-81.dyn.grandenetworks.net
66.90.162.82	A	66-90-162-82.dyn.grandenetworks.net
66.90.162.84	A	66-90-162-84.dyn.grandenetworks.net
66.90.162.86	A	66-90-162-86.dyn.grandenetworks.net
66.90.162.87	A	66-90-162-87.dyn.grandenetworks.net
66.90.162.91	A	66-90-162-91.dyn.grandenetworks.net
66.90.162.99	A	66-90-162-99.dyn.grandenetworks.net
66.90.162.100	A	66-90-162-100.dyn.grandenetworks.net
66.90.162.101	A	66-90-162-101.dyn.grandenetworks.net
66.90.162.103	A	66-90-162-103.dyn.grandenetworks.net
66.90.162.107	A	66-90-162-107.dyn.grandenetworks.net
66.90.162.111	A	66-90-162-111.dyn.grandenetworks.net
66.90.162.114	A	66-90-162-114.dyn.grandenetworks.net
66.90.162.118	A	66-90-162-118.dyn.grandenetworks.net
66.90.162.120	A	66-90-162-120.dyn.grandenetworks.net
66.90.162.121	A	66-90-162-121.dyn.grandenetworks.net
66.90.162.124	A	66-90-162-124.dyn.grandenetworks.net
66.90.162.128	A	66-90-162-128.dyn.grandenetworks.net
66.90.162.129	A	66-90-162-129.dyn.grandenetworks.net
66.90.162.133	A	66-90-162-133.dyn.grandenetworks.net
66.90.162.134	A	66-90-162-134.dyn.grandenetworks.net
66.90.162.139	A	66-90-162-139.dyn.grandenetworks.net
66.90.162.140	A	66-90-162-140.dyn.grandenetworks.net
66.90.162.143	A	66-90-162-143.dyn.grandenetworks.net
66.90.162.146	A	66-90-162-146.dyn.grandenetworks.net
66.90.162.150	A	66-90-162-150.dyn.grandenetworks.net
66.90.162.151	A	66-90-162-151.dyn.grandenetworks.net
66.90.162.152	A	66-90-162-152.dyn.grandenetworks.net
66.90.162.165	A	66-90-162-165.dyn.grandenetworks.net
66.90.162.166	A	66-90-162-166.dyn.grandenetworks.net
66.90.162.170	A	66-90-162-170.dyn.grandenetworks.net
66.90.162.175	A+PTR	66-90-162-175.static.grandenetworks.net
66.90.162.175	A	66-90-162-175.dyn.grandenetworks.net
66.90.162.178	A	66-90-162-178.dyn.grandenetworks.net
66.90.162.180	A	66-90-162-180.dyn.grandenetworks.net
66.90.162.183	A	66-90-162-183.dyn.grandenetworks.net
66.90.162.184	A	66-90-162-184.dyn.grandenetworks.net
66.90.162.189	A	66-90-162-189.dyn.grandenetworks.net
66.90.162.192	A	66-90-162-192.dyn.grandenetworks.net
66.90.162.193	A	66-90-162-193.dyn.grandenetworks.net
66.90.162.200	A	66-90-162-200.static.grandenetworks.net
66.90.162.203	A	66-90-162-203.dyn.grandenetworks.net
66.90.162.205	A	66-90-162-205.dyn.grandenetworks.net
66.90.162.208	A	66-90-162-208.dyn.grandenetworks.net
66.90.162.209	A	66-90-162-209.dyn.grandenetworks.net
66.90.162.210	A	66-90-162-210.dyn.grandenetworks.net
66.90.162.215	A	66-90-162-215.dyn.grandenetworks.net
66.90.162.220	A+PTR	66-90-162-220.static.grandenetworks.net
66.90.162.220	A	asterisk.towerz.com
66.90.162.220	A	66-90-162-220.dyn.grandenetworks.net
66.90.162.224	A	66-90-162-224.dyn.grandenetworks.net
66.90.162.226	A	66-90-162-226.dyn.grandenetworks.net
66.90.162.227	A	66-90-162-227.dyn.grandenetworks.net
66.90.162.231	A	66-90-162-231.dyn.grandenetworks.net
66.90.162.233	A	66-90-162-233.dyn.grandenetworks.net
66.90.162.237	A	66-90-162-237.dyn.grandenetworks.net
66.90.162.243	A	66-90-162-243.dyn.grandenetworks.net
66.90.162.245	A	66-90-162-245.dyn.grandenetworks.net
66.90.162.249	A	66-90-162-249.dyn.grandenetworks.net
66.90.162.254	A	66-90-162-254.dyn.grandenetworks.net
66.90.163.20	A+PTR	66-90-163-20.static.grandenetworks.net
66.90.163.70	A	ns1.acitexas.com
66.90.163.102	PTR	66-90-163-102.static.grandenetworks.net
66.90.163.155	A	tipwebstaging.com
66.90.163.156	A	tipwebintegrationtest.com
66.90.163.173	A	66-90-163-173.dyn.grandenetworks.net
66.90.163.178	PTR	66-90-163-178.static.grandenetworks.net
66.90.163.181	A	mail.fcoa.com
66.90.163.255	A+PTR	66-90-163-255.static.grandenetworks.net