Robtex

Up: 66.6.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 66.6.0.0/22
Down right: 66.6.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.6.0.0	PTR	66-6-0-0.d2.itctel.com
66.6.0.1	A+PTR	66-6-0-1.d2.itctel.com
66.6.0.2	A+PTR	66-6-0-2.d2.itctel.com
66.6.0.4	A	66-6-0-4.d2.itctel.com
66.6.0.5	A	66-6-0-5.d2.itctel.com
66.6.0.8	A+PTR	66-6-0-8.d2.itctel.com
66.6.0.9	A+PTR	66-6-0-9.d2.itctel.com
66.6.0.20	A	66-6-0-20.d2.itctel.com
66.6.0.36	A	66-6-0-36.d2.itctel.com
66.6.0.46	A	66-6-0-46.d2.itctel.com
66.6.0.50	PTR	66-6-0-50.d2.itctel.com
66.6.0.52	A	66-6-0-52.d2.itctel.com
66.6.0.55	A	66-6-0-55.d2.itctel.com
66.6.0.60	A	66-6-0-60.d2.itctel.com
66.6.0.62	A	66-6-0-62.d2.itctel.com
66.6.0.68	A	66-6-0-68.d2.itctel.com
66.6.0.69	A	66-6-0-69.d2.itctel.com
66.6.0.70	A	66-6-0-70.d2.itctel.com
66.6.0.73	A+PTR	66-6-0-73.d2.itctel.com
66.6.0.74	A+PTR	66-6-0-74.d2.itctel.com
66.6.0.77	A	66-6-0-77.d2.itctel.com
66.6.0.84	A	66-6-0-84.d2.itctel.com
66.6.0.89	A+PTR	66-6-0-89.d2.itctel.com
66.6.0.94	A	66-6-0-94.d2.itctel.com
66.6.0.95	A	66-6-0-95.d2.itctel.com
66.6.0.104	A+PTR	66-6-0-104.d2.itctel.com
66.6.0.105	A+PTR	66-6-0-105.d2.itctel.com
66.6.0.117	A	66-6-0-117.d2.itctel.com
66.6.0.119	A	66-6-0-119.d2.itctel.com
66.6.0.128	A+PTR	66-6-0-128.d2.itctel.com
66.6.0.130	A+PTR	66-6-0-130.d2.itctel.com
66.6.0.132	A	66-6-0-132.d2.itctel.com
66.6.0.134	A	66-6-0-134.d2.itctel.com
66.6.0.136	A+PTR	66-6-0-136.d2.itctel.com
66.6.0.140	A	66-6-0-140.d2.itctel.com
66.6.0.144	A+PTR	66-6-0-144.d2.itctel.com
66.6.0.148	A	66-6-0-148.d2.itctel.com
66.6.0.150	A	66-6-0-150.d2.itctel.com
66.6.0.152	A+PTR	66-6-0-152.d2.itctel.com
66.6.0.153	A+PTR	66-6-0-153.d2.itctel.com
66.6.0.157	A	66-6-0-157.d2.itctel.com
66.6.0.158	A	66-6-0-158.d2.itctel.com
66.6.0.160	A+PTR	66-6-0-160.d2.itctel.com
66.6.0.162	A+PTR	66-6-0-162.d2.itctel.com
66.6.0.163	A+PTR	66-6-0-163.d2.itctel.com
66.6.0.164	A	66-6-0-164.d2.itctel.com
66.6.0.168	A+PTR	66-6-0-168.d2.itctel.com
66.6.0.170	A+PTR	66-6-0-170.d2.itctel.com
66.6.0.172	A	66-6-0-172.d2.itctel.com
66.6.0.173	A	66-6-0-173.d2.itctel.com
66.6.0.178	A+PTR	66-6-0-178.d2.itctel.com
66.6.0.180	A	66-6-0-180.d2.itctel.com
66.6.0.181	A	66-6-0-181.d2.itctel.com
66.6.0.182	A	66-6-0-182.d2.itctel.com
66.6.0.184	A+PTR	66-6-0-184.d2.itctel.com
66.6.0.185	A+PTR	66-6-0-185.d2.itctel.com
66.6.0.186	A+PTR	66-6-0-186.d2.itctel.com
66.6.0.187	A+PTR	66-6-0-187.d2.itctel.com
66.6.0.195	A+PTR	66-6-0-195.d2.itctel.com
66.6.0.196	A	66-6-0-196.d2.itctel.com
66.6.0.198	A	66-6-0-198.d2.itctel.com
66.6.0.200	A+PTR	66-6-0-200.d2.itctel.com
66.6.0.216	A+PTR	66-6-0-216.d2.itctel.com
66.6.0.220	A	66-6-0-220.d2.itctel.com
66.6.0.221	A	66-6-0-221.d2.itctel.com
66.6.0.230	A	66-6-0-230.d2.itctel.com
66.6.0.236	A	66-6-0-236.d2.itctel.com
66.6.0.238	A	66-6-0-238.d2.itctel.com
66.6.0.248	A+PTR	66-6-0-248.d2.itctel.com
66.6.0.249	A+PTR	66-6-0-249.d2.itctel.com
66.6.0.252	A	66-6-0-252.d2.itctel.com
66.6.1.1	A	66-6-1-1.d2.itctel.com
66.6.1.2	A+PTR	66-6-1-2.d2.itctel.com
66.6.1.4	A	66-6-1-4.d2.itctel.com
66.6.1.5	A	66-6-1-5.d2.itctel.com
66.6.1.10	A+PTR	66-6-1-10.d2.itctel.com
66.6.1.11	A+PTR	66-6-1-11.d2.itctel.com
66.6.1.22	A	66-6-1-22.d2.itctel.com
66.6.1.33	A+PTR	66-6-1-33.d2.itctel.com
66.6.1.42	A+PTR	66-6-1-42.d2.itctel.com
66.6.1.45	A	66-6-1-45.d2.itctel.com
66.6.1.75	A+PTR	66-6-1-75.d2.itctel.com
66.6.1.114	A+PTR	66-6-1-114.d2.itctel.com
66.6.1.134	A	66-6-1-134.d2.itctel.com
66.6.1.152	PTR	66-6-1-152.d2.itctel.com
66.6.1.166	A	66-6-1-166.d2.itctel.com
66.6.1.172	A	66-6-1-172.d2.itctel.com
66.6.1.176	A+PTR	66-6-1-176.d2.itctel.com
66.6.1.190	A	66-6-1-190.d2.itctel.com
66.6.1.243	A+PTR	66-6-1-243.d2.itctel.com
66.6.2.6	A	66-6-2-6.d2.itctel.com
66.6.3.8	A+PTR	66-6-3-8.d2.itctel.com
66.6.3.75	PTR	66-6-3-75.d2.itctel.com
66.6.3.91	PTR	66-6-3-91.d2.itctel.com
66.6.4.4	A	koumpaki.com
66.6.4.4	A	fishspeed.com
66.6.4.4	A	66-6-4-4.d2.itctel.com
66.6.4.20	A	66-6-4-20.d2.itctel.com
66.6.4.44	A	grupoemperador.com
66.6.4.44	A	vincular.me
66.6.4.44	A	justinbiebersnudes.com
66.6.6.2	A+PTR	66-6-6-2.d2.itctel.com
66.6.6.66	A+PTR	66-6-6-66.d2.itctel.com
66.6.7.2	A	66-6-7-2.d2.itctel.com
66.6.7.173	A	clarklions.com