Robtex

Up: 76.52.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 76.52.0.0/17
Down right: 76.52.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
76.52.3.1	PTR	cpe-076-052-003-001.nc.res.rr.com
76.52.3.2	PTR	cpe-076-052-003-002.nc.res.rr.com
76.52.8.2	PTR	cpe-076-052-008-002.nc.res.rr.com
76.52.9.5	PTR	cpe-076-052-009-005.nc.res.rr.com
76.52.9.7	PTR	cpe-076-052-009-007.nc.res.rr.com
76.52.23.19	A	ns1.ns2.mail.ns1.ns2.mail.518c2506e57106779f0cf55fcfd14fb065d00efe1d5a5a2a9b2d684d.6.mjuyh.com
76.52.25.3	PTR	cpe-076-052-025-003.nc.res.rr.com
76.52.28.3	PTR	cpe-076-052-028-003.nc.res.rr.com
76.52.32.0	PTR	cpe-076-052-032-000.nc.res.rr.com
76.52.62.3	PTR	cpe-076-052-062-003.nc.res.rr.com
76.52.74.162	A	0043316d91320922aa9bb67676200da6c47044d428473aeb76a4aba3.6.ewsxz.com
76.52.80.1	PTR	cpe-076-052-080-001.nc.res.rr.com
76.52.80.2	PTR	cpe-076-052-080-002.nc.res.rr.com
76.52.80.3	PTR	cpe-076-052-080-003.nc.res.rr.com
76.52.90.2	PTR	cpe-076-052-090-002.nc.res.rr.com
76.52.91.19	PTR	cpe-076-052-091-019.nc.res.rr.com
76.52.92.3	PTR	cpe-076-052-092-003.nc.res.rr.com
76.52.95.2	PTR	cpe-076-052-095-002.nc.res.rr.com
76.52.100.113	PTR	cpe-076-052-100-113.nc.res.rr.com
76.52.100.113	A	www.esearch.gdn
76.52.100.113	A	mail.esearch.gdn
76.52.112.89	PTR	cpe-076-052-112-089.nc.res.rr.com
76.52.121.0	PTR	cpe-076-052-121-000.nc.res.rr.com
76.52.121.1	PTR	cpe-076-052-121-001.nc.res.rr.com
76.52.121.2	PTR	cpe-076-052-121-002.nc.res.rr.com
76.52.121.3	PTR	cpe-076-052-121-003.nc.res.rr.com
76.52.122.2	PTR	cpe-076-052-122-002.nc.res.rr.com
76.52.122.224	A	gnboncrhe-rpc01.triad.rr.com
76.52.122.229	A	gnboncrhe-rpc06.triad.rr.com
76.52.122.230	A	gnboncrhe-rpc07.triad.rr.com
76.52.131.2	PTR	cpe-076-052-131-002.nc.res.rr.com
76.52.135.204	PTR	cpe-076-052-135-204.nc.res.rr.com
76.52.147.0	PTR	cpe-076-052-147-000.nc.res.rr.com
76.52.160.1	PTR	cpe-076-052-160-001.nc.res.rr.com
76.52.160.2	PTR	cpe-076-052-160-002.nc.res.rr.com
76.52.166.2	PTR	cpe-076-052-166-002.nc.res.rr.com
76.52.167.0	PTR	cpe-076-052-167-000.nc.res.rr.com
76.52.167.3	PTR	cpe-076-052-167-003.nc.res.rr.com
76.52.201.3	PTR	cpe-076-052-201-003.nc.res.rr.com
76.52.210.0	PTR	cpe-076-052-210-000.nc.res.rr.com
76.52.210.1	PTR	cpe-076-052-210-001.nc.res.rr.com