Robtex

Up: 71.70.0.0/18
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Down left: 71.70.0.0/20
Down right: 71.70.16.0/20

IP	Type	Hostname
71.70.0.67	PTR	71-70-0-67.res.spectrum.com
71.70.0.101	A	twdp-071-070-000-101.ec.res.rr.com
71.70.1.33	PTR	mta-71-70-1-33.ec.rr.com
71.70.1.163	PTR	mta-71-70-1-163.ec.rr.com
71.70.1.193	PTR	mta-71-70-1-193.ec.rr.com
71.70.1.194	PTR	mta-71-70-1-194.ec.rr.com
71.70.1.227	PTR	mta-71-70-1-227.ec.rr.com
71.70.7.2	PTR	mta-71-70-7-2.ec.rr.com
71.70.12.113	A	bosmerica.com
71.70.17.2	PTR	mta-71-70-17-2.ec.rr.com