Robtex

Up: 71.87.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 71.87.112.0/21
Down right: 71.87.120.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
71.87.112.0	A+PTR	71-87-112-0.dhcp.mdsn.wi.charter.com
71.87.112.47	A	71-87-112-47.dhcp.mdsn.wi.charter.com
71.87.112.88	A	71-87-112-88.dhcp.mdsn.wi.charter.com
71.87.112.89	A	71-87-112-89.dhcp.mdsn.wi.charter.com
71.87.112.95	A	71-87-112-95.dhcp.mdsn.wi.charter.com
71.87.112.101	A	71-87-112-101.dhcp.mdsn.wi.charter.com
71.87.112.103	A	71-87-112-103.dhcp.mdsn.wi.charter.com
71.87.112.104	A	71-87-112-104.dhcp.mdsn.wi.charter.com
71.87.112.119	A	71-87-112-119.dhcp.mdsn.wi.charter.com
71.87.112.136	A	71-87-112-136.dhcp.mdsn.wi.charter.com
71.87.112.143	A	71-87-112-143.dhcp.mdsn.wi.charter.com
71.87.112.144	A+PTR	71-87-112-144.dhcp.mdsn.wi.charter.com
71.87.112.153	A	71-87-112-153.dhcp.mdsn.wi.charter.com
71.87.112.171	A	71-87-112-171.dhcp.mdsn.wi.charter.com
71.87.112.203	A	71-87-112-203.dhcp.mdsn.wi.charter.com
71.87.112.205	A	71-87-112-205.dhcp.mdsn.wi.charter.com
71.87.112.218	A	71-87-112-218.dhcp.mdsn.wi.charter.com
71.87.112.223	A	71-87-112-223.dhcp.mdsn.wi.charter.com
71.87.113.46	PTR	71-87-113-46.dhcp.mdsn.wi.charter.com
71.87.113.81	A+PTR	71-87-113-81.dhcp.mdsn.wi.charter.com
71.87.113.154	PTR	71-87-113-154.dhcp.mdsn.wi.charter.com
71.87.113.154	A	ronpyka.com
71.87.113.154	A	goat.zone
71.87.113.188	A	71-87-113-188.dhcp.mdsn.wi.charter.com
71.87.114.71	A	71-87-114-71.dhcp.mdsn.wi.charter.com
71.87.114.84	A	71-87-114-84.dhcp.mdsn.wi.charter.com
71.87.114.87	A	71-87-114-87.dhcp.mdsn.wi.charter.com
71.87.114.169	A	soxum.com
71.87.114.174	A	71-87-114-174.dhcp.mdsn.wi.charter.com
71.87.114.225	A+PTR	71-87-114-225.dhcp.mdsn.wi.charter.com
71.87.114.238	A	71-87-114-238.dhcp.mdsn.wi.charter.com
71.87.114.250	A	71-87-114-250.dhcp.mdsn.wi.charter.com
71.87.116.45	A+PTR	71-87-116-45.dhcp.mdsn.wi.charter.com
71.87.116.133	A+PTR	71-87-116-133.dhcp.mdsn.wi.charter.com
71.87.117.54	A+PTR	71-87-117-54.dhcp.mdsn.wi.charter.com
71.87.118.38	A	mx.tundrait.biz
71.87.118.81	PTR	71-87-118-81.dhcp.mdsn.wi.charter.com
71.87.118.81	A	mx.tundrait.biz
71.87.118.81	A	athensvetservice.com
71.87.118.208	A+PTR	71-87-118-208.dhcp.mdsn.wi.charter.com
71.87.120.6	A	71-87-120-6.dhcp.mdsn.wi.charter.com
71.87.120.8	A	71-87-120-8.dhcp.mdsn.wi.charter.com
71.87.120.14	A	71-87-120-14.dhcp.mdsn.wi.charter.com
71.87.120.20	A	71-87-120-20.dhcp.mdsn.wi.charter.com
71.87.120.26	A	71-87-120-26.dhcp.mdsn.wi.charter.com
71.87.120.31	A	71-87-120-31.dhcp.mdsn.wi.charter.com
71.87.120.35	A+PTR	71-87-120-35.dhcp.mdsn.wi.charter.com
71.87.120.36	A	71-87-120-36.dhcp.mdsn.wi.charter.com
71.87.120.41	A	71-87-120-41.dhcp.mdsn.wi.charter.com
71.87.120.80	A+PTR	71-87-120-80.dhcp.mdsn.wi.charter.com
71.87.120.87	A	71-87-120-87.dhcp.mdsn.wi.charter.com
71.87.120.96	A+PTR	71-87-120-96.dhcp.mdsn.wi.charter.com
71.87.120.153	A	071-087-120-153.res.spectrum.com
71.87.120.153	A	71-87-120-153.dhcp.mdsn.wi.charter.com
71.87.120.177	A+PTR	71-87-120-177.dhcp.mdsn.wi.charter.com
71.87.120.183	A	71-87-120-183.dhcp.mdsn.wi.charter.com
71.87.120.192	A+PTR	71-87-120-192.dhcp.mdsn.wi.charter.com
71.87.120.203	A	71-87-120-203.dhcp.mdsn.wi.charter.com
71.87.120.249	A	71-87-120-249.dhcp.mdsn.wi.charter.com
71.87.120.251	A	71-87-120-251.dhcp.mdsn.wi.charter.com
71.87.123.9	A	71-87-123-9.dhcp.mdsn.wi.charter.com
71.87.123.29	A	71-87-123-29.dhcp.mdsn.wi.charter.com
71.87.123.59	A	71-87-123-59.dhcp.mdsn.wi.charter.com
71.87.123.99	A+PTR	71-87-123-99.dhcp.mdsn.wi.charter.com
71.87.123.116	A	71-87-123-116.dhcp.mdsn.wi.charter.com
71.87.123.127	A	71-87-123-127.dhcp.mdsn.wi.charter.com
71.87.123.155	A	71-87-123-155.dhcp.mdsn.wi.charter.com
71.87.123.170	A	71-87-123-170.dhcp.mdsn.wi.charter.com
71.87.123.180	A	71-87-123-180.dhcp.mdsn.wi.charter.com
71.87.123.223	A	71-87-123-223.dhcp.mdsn.wi.charter.com
71.87.123.237	A	71-87-123-237.dhcp.mdsn.wi.charter.com
71.87.123.237	A	071-087-123-237.res.spectrum.com
71.87.123.239	A	71-87-123-239.dhcp.mdsn.wi.charter.com
71.87.123.251	A	71-87-123-251.dhcp.mdsn.wi.charter.com
71.87.124.94	A	71-87-124-94.dhcp.mdsn.wi.charter.com
71.87.125.115	PTR	71-87-125-115.dhcp.mdsn.wi.charter.com
71.87.125.219	A+PTR	71-87-125-219.dhcp.mdsn.wi.charter.com
71.87.125.219	A	mail.compsource.biz
71.87.125.244	PTR	071-087-125-244.res.spectrum.com
71.87.125.244	A	71-87-125-244.dhcp.mdsn.wi.charter.com
71.87.126.116	PTR	71-87-126-116.dhcp.mdsn.wi.charter.com
71.87.127.95	A+PTR	71-87-127-95.dhcp.mdsn.wi.charter.com
71.87.127.104	A+PTR	71-87-127-104.dhcp.mdsn.wi.charter.com
71.87.127.104	A	mail.darknet.us
71.87.127.255	A+PTR	71-87-127-255.dhcp.mdsn.wi.charter.com