Robtex

Up: 41.238.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 41.238.48.0/23
Down right: 41.238.50.0/23

IP	Type	Hostname
41.238.49.17	PTR	host-41.238.49.17.tedata.net
41.238.49.193	PTR	host-41.238.49.193.tedata.net
41.238.50.5	PTR	host-41.238.50.5.tedata.net
41.238.50.51	PTR	host-41.238.50.51.tedata.net
41.238.50.76	PTR	host-41.238.50.76.tedata.net
41.238.50.142	PTR	host-41.238.50.142.tedata.net
41.238.50.161	PTR	host-41.238.50.161.tedata.net
41.238.50.228	PTR	host-41.238.50.228.tedata.net
41.238.50.249	PTR	host-41.238.50.249.tedata.net
41.238.51.18	PTR	host-41.238.51.18.tedata.net
41.238.51.20	PTR	host-41.238.51.20.tedata.net
41.238.51.21	PTR	host-41.238.51.21.tedata.net
41.238.51.120	PTR	host-41.238.51.120.tedata.net