Robtex

Up: 66.152.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 66.152.64.0/22
Down right: 66.152.68.0/22

IP	Type	Hostname
66.152.64.1	A+PTR	host-66-152-64-1.gammanetworking.com
66.152.64.14	A	host-66-152-64-14.gammanetworking.com
66.152.64.15	A	host-66-152-64-15.gammanetworking.com
66.152.64.19	A	host-66-152-64-19.gammanetworking.com
66.152.64.20	A	host-66-152-64-20.gammanetworking.com
66.152.64.49	A	host-66-152-64-49.gammanetworking.com
66.152.64.50	A+PTR	host-66-152-64-50.gammanetworking.com
66.152.64.51	A	host-66-152-64-51.gammanetworking.com
66.152.64.52	A	host-66-152-64-52.gammanetworking.com
66.152.64.56	A+PTR	host-66-152-64-56.gammanetworking.com
66.152.64.57	A	host-66-152-64-57.gammanetworking.com
66.152.64.58	A	host-66-152-64-58.gammanetworking.com
66.152.64.59	A+PTR	host-66-152-64-59.gammanetworking.com
66.152.64.74	A	www.callbackpack.com
66.152.64.74	A	callbackpack.com
66.152.64.74	A	lifelinevoicemail.ca
66.152.64.89	A+PTR	host-66-152-64-89.gammanetworking.com
66.152.64.113	A	host-66-152-64-113.gammanetworking.com
66.152.64.128	A	host-66-152-64-128.gammanetworking.com
66.152.64.141	A	host-66-152-64-141.gammanetworking.com
66.152.64.141	A	ms1.todaysclan.net
66.152.64.142	A	ms2.todaysclan.net
66.152.64.142	A	host-66-152-64-142.gammanetworking.com
66.152.64.224	PTR	host-66-152-64-224.wajam.com
66.152.64.230	A	host-66-152-64-230.gammanetworking.com
66.152.64.237	A	host-66-152-64-237.gammanetworking.com
66.152.65.50	PTR	host-66-152-65-50.wajam.com
66.152.65.64	PTR	host-66-152-65-64.wajam.com
66.152.66.88	PTR	host-66-152-66-88.gammanetworking.com
66.152.66.246	A	host-66-152-66-246.gammanetworking.com
66.152.67.43	A	host-66-152-67-43.gammanetworking.com
66.152.67.104	A	host-66-152-67-104.gammanetworking.com
66.152.67.142	A	host-66-152-67-142.gammanetworking.com
66.152.67.209	A+PTR	host-66-152-67-209.gammanetworking.com
66.152.71.31	A	host-66-152-71-31.gammanetworking.com