Robtex

Up: 41.235.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 41.235.52.0/23
Down right: 41.235.54.0/23

IP	Type	Hostname
41.235.52.12	PTR	host-41.235.52.12.tedata.net
41.235.52.59	PTR	host-41.235.52.59.tedata.net
41.235.52.140	PTR	host-41.235.52.140.tedata.net
41.235.52.185	PTR	host-41.235.52.185.tedata.net
41.235.53.37	PTR	host-41.235.53.37.tedata.net
41.235.53.67	PTR	host-41.235.53.67.tedata.net
41.235.53.228	PTR	host-41.235.53.228.tedata.net
41.235.54.5	PTR	host-41.235.54.5.tedata.net
41.235.54.17	PTR	host-41.235.54.17.tedata.net
41.235.54.19	PTR	host-41.235.54.19.tedata.net
41.235.54.176	PTR	host-41.235.54.176.tedata.net
41.235.54.192	PTR	host-41.235.54.192.tedata.net
41.235.54.206	PTR	host-41.235.54.206.tedata.net
41.235.54.244	PTR	host-41.235.54.244.tedata.net
41.235.55.25	PTR	host-41.235.55.25.tedata.net
41.235.55.125	PTR	host-41.235.55.125.tedata.net
41.235.55.199	PTR	host-41.235.55.199.tedata.net
41.235.55.250	PTR	host-41.235.55.250.tedata.net