Robtex

Up: 64.57.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 64.57.12.0/23
Down right: 64.57.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.57.12.2	A	ip-64-57-12-2.rr.thig.com
64.57.12.8	A+PTR	ip-64-57-12-8.rr.thig.com
64.57.12.20	A+PTR	ip-64-57-12-20.rr.thig.com
64.57.12.24	A+PTR	ip-64-57-12-24.rr.thig.com
64.57.12.33	A+PTR	ip-64-57-12-33.rr.thig.com
64.57.12.50	A+PTR	ip-64-57-12-50.rr.thig.com
64.57.12.57	A+PTR	ip-64-57-12-57.rr.thig.com
64.57.12.58	A+PTR	ip-64-57-12-58.rr.thig.com
64.57.12.68	A+PTR	ip-64-57-12-68.rr.thig.com
64.57.12.70	A+PTR	ip-64-57-12-70.rr.thig.com
64.57.12.86	A+PTR	ip-64-57-12-86.rr.thig.com
64.57.12.101	A+PTR	ip-64-57-12-101.rr.thig.com
64.57.12.114	A+PTR	ip-64-57-12-114.rr.thig.com
64.57.12.125	A+PTR	ip-64-57-12-125.rr.thig.com
64.57.12.130	A+PTR	ip-64-57-12-130.rr.thig.com
64.57.12.138	A+PTR	ip-64-57-12-138.rr.thig.com
64.57.12.141	A+PTR	ip-64-57-12-141.rr.thig.com
64.57.12.142	A+PTR	ip-64-57-12-142.rr.thig.com
64.57.12.147	A+PTR	ip-64-57-12-147.rr.thig.com
64.57.12.159	A+PTR	ip-64-57-12-159.rr.thig.com
64.57.12.161	A+PTR	ip-64-57-12-161.rr.thig.com
64.57.12.173	A+PTR	ip-64-57-12-173.rr.thig.com
64.57.12.178	A+PTR	ip-64-57-12-178.rr.thig.com
64.57.12.188	A+PTR	ip-64-57-12-188.rr.thig.com
64.57.12.189	A+PTR	ip-64-57-12-189.rr.thig.com
64.57.12.197	A+PTR	ip-64-57-12-197.rr.thig.com
64.57.12.202	A+PTR	ip-64-57-12-202.rr.thig.com
64.57.12.211	A+PTR	ip-64-57-12-211.rr.thig.com
64.57.12.216	A+PTR	ip-64-57-12-216.rr.thig.com
64.57.12.221	A+PTR	ip-64-57-12-221.rr.thig.com
64.57.12.230	A+PTR	ip-64-57-12-230.rr.thig.com
64.57.12.245	A+PTR	ip-64-57-12-245.rr.thig.com
64.57.12.250	A+PTR	ip-64-57-12-250.rr.thig.com
64.57.12.255	A+PTR	ip-64-57-12-255.rr.thig.com
64.57.13.2	A	kyvpn.thig.com
64.57.13.140	PTR	smtp.thig.com
64.57.13.226	PTR	ip-64-57-13-226.rr.thig.com
64.57.14.4	A+PTR	oasis.thig.com
64.57.14.15	PTR	www.thig.com
64.57.14.15	A	www.towerhillprimeinsurance.com
64.57.14.15	A	thig.com
64.57.14.78	A+PTR	mdmeis.thig.com
64.57.14.83	A+PTR	ip-64-57-14-83.rr.thig.com
64.57.14.130	A+PTR	auth.thig.com
64.57.14.170	PTR	oasis.beta.thig.com
64.57.14.170	A	beta.thig.com
64.57.14.195	PTR	ip-64-57-14-195.rr.thig.com
64.57.14.195	A+PTR	chatconfig.thig.com
64.57.14.212	A+PTR	portal.thig.com
64.57.14.213	A+PTR	policynotes.thig.com
64.57.14.213	A	ip-64-57-14-213.rr.thig.com
64.57.14.220	A+PTR	customerportal.thig.com