Robtex

Up: 70.34.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 70.34.248.0/22
Down right: 70.34.252.0/22

IP	Type	Hostname
70.34.250.3	PTR	unused-70-34-250-3.zubrcom.net
70.34.250.8	PTR	unused-70-34-250-8.zubrcom.net
70.34.250.9	PTR	ns1648.ztomy.com
70.34.250.10	PTR	ns1648.ztomy.com
70.34.250.11	PTR	unused-70-34-250-11.zubrcom.net
70.34.250.17	PTR	ns1648.ztomy.com
70.34.250.19	PTR	unused-70-34-250-19.zubrcom.net
70.34.250.25	PTR	ns1648.ztomy.com
70.34.250.34	PTR	ns1648.ztomy.com
70.34.250.40	PTR	ns1648.ztomy.com
70.34.250.41	PTR	ns1648.ztomy.com
70.34.250.42	PTR	ns1648.ztomy.com
70.34.250.50	PTR	ns1648.ztomy.com
70.34.250.57	PTR	ns1648.ztomy.com
70.34.250.64	A+PTR	unused-70-34-250-64.zubrcom.net
70.34.250.66	PTR	ns1648.ztomy.com
70.34.250.72	PTR	ns1648.ztomy.com
70.34.250.73	PTR	ns1648.ztomy.com
70.34.250.89	PTR	unused-70-34-250-89.zubrcom.net
70.34.250.90	PTR	ns1648.ztomy.com
70.34.250.96	PTR	ns1648.ztomy.com
70.34.250.98	PTR	ns1648.ztomy.com
70.34.250.112	PTR	ns1648.ztomy.com
70.34.250.121	PTR	ns1648.ztomy.com
70.34.250.128	PTR	ns1648.ztomy.com
70.34.250.130	PTR	ns1648.ztomy.com
70.34.250.138	PTR	ns1648.ztomy.com
70.34.250.145	PTR	ns1648.ztomy.com
70.34.250.154	PTR	ns1648.ztomy.com
70.34.250.160	PTR	ns1648.ztomy.com
70.34.250.177	PTR	ns1648.ztomy.com
70.34.250.202	PTR	unused-70-34-250-202.zubrcom.net
70.34.250.204	A	unused-70-34-250-204.zubrcom.net
70.34.250.209	PTR	ns1648.ztomy.com
70.34.250.218	PTR	ns1648.ztomy.com
70.34.250.226	PTR	unused-70-34-250-226.zubrcom.net
70.34.250.229	A	unused-70-34-250-229.zubrcom.net
70.34.250.232	PTR	ns1648.ztomy.com
70.34.250.234	PTR	ns1648.ztomy.com
70.34.250.241	PTR	unused-70-34-250-241.zubrcom.net
70.34.250.245	A	unused-70-34-250-245.zubrcom.net
70.34.250.251	PTR	ns1648.ztomy.com