Robtex

Up: 75.81.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 75.81.240.0/21
Down right: 75.81.248.0/21

IP	Type	Hostname
75.81.240.0	PTR	cpe-75-81-240-0.mi.res.rr.com
75.81.241.26	A+PTR	cpe-75-81-241-26.mi.res.rr.com
75.81.242.44	A	cpe-75-81-242-44.we.res.rr.com
75.81.242.50	A	cpe-75-81-242-50.we.res.rr.com
75.81.242.68	A	cpe-75-81-242-68.we.res.rr.com
75.81.242.72	A	cpe-75-81-242-72.we.res.rr.com
75.81.242.75	A	cpe-75-81-242-75.we.res.rr.com
75.81.242.103	A	cpe-75-81-242-103.we.res.rr.com
75.81.242.133	A	cpe-75-81-242-133.we.res.rr.com
75.81.242.222	A	cpe-75-81-242-222.we.res.rr.com
75.81.243.76	PTR	cpe-75-81-243-76.mi.res.rr.com
75.81.243.83	A+PTR	cpe-75-81-243-83.mi.res.rr.com
75.81.246.100	A+PTR	cpe-75-81-246-100.mi.res.rr.com
75.81.247.238	A+PTR	cpe-75-81-247-238.mi.res.rr.com
75.81.252.25	A+PTR	cpe-75-81-252-25.mi.res.rr.com
75.81.252.100	A+PTR	cpe-75-81-252-100.mi.res.rr.com
75.81.254.131	A+PTR	cpe-75-81-254-131.mi.res.rr.com