Robtex

Up: 41.235.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 41.235.88.0/22
Down right: 41.235.92.0/22

IP	Type	Hostname
41.235.88.25	PTR	host-41.235.88.25.tedata.net
41.235.88.50	PTR	host-41.235.88.50.tedata.net
41.235.88.218	PTR	host-41.235.88.218.tedata.net
41.235.89.43	PTR	host-41.235.89.43.tedata.net
41.235.89.57	PTR	host-41.235.89.57.tedata.net
41.235.89.72	PTR	host-41.235.89.72.tedata.net
41.235.89.162	PTR	host-41.235.89.162.tedata.net
41.235.90.98	PTR	host-41.235.90.98.tedata.net
41.235.90.252	PTR	host-41.235.90.252.tedata.net
41.235.91.27	PTR	host-41.235.91.27.tedata.net
41.235.91.42	PTR	host-41.235.91.42.tedata.net
41.235.91.114	PTR	host-41.235.91.114.tedata.net
41.235.91.122	PTR	host-41.235.91.122.tedata.net
41.235.92.33	PTR	host-41.235.92.33.tedata.net
41.235.92.59	PTR	host-41.235.92.59.tedata.net
41.235.92.90	PTR	host-41.235.92.90.tedata.net
41.235.92.115	PTR	host-41.235.92.115.tedata.net
41.235.92.187	PTR	host-41.235.92.187.tedata.net
41.235.92.226	PTR	host-41.235.92.226.tedata.net
41.235.93.57	PTR	host-41.235.93.57.tedata.net
41.235.93.224	PTR	host-41.235.93.224.tedata.net
41.235.94.57	PTR	host-41.235.94.57.tedata.net
41.235.95.123	PTR	host-41.235.95.123.tedata.net
41.235.95.240	PTR	host-41.235.95.240.tedata.net
41.235.95.241	PTR	host-41.235.95.241.tedata.net
41.235.95.249	PTR	host-41.235.95.249.tedata.net