Robtex

Up: 41.239.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 41.239.136.0/22
Down right: 41.239.140.0/22

IP	Type	Hostname
41.239.136.75	PTR	host-41.239.136.75.tedata.net
41.239.136.137	PTR	host-41.239.136.137.tedata.net
41.239.136.152	PTR	host-41.239.136.152.tedata.net
41.239.136.167	PTR	host-41.239.136.167.tedata.net
41.239.136.168	PTR	host-41.239.136.168.tedata.net
41.239.137.82	PTR	host-41.239.137.82.tedata.net
41.239.137.105	PTR	host-41.239.137.105.tedata.net
41.239.137.123	PTR	host-41.239.137.123.tedata.net
41.239.137.136	PTR	host-41.239.137.136.tedata.net
41.239.137.138	PTR	host-41.239.137.138.tedata.net
41.239.137.161	PTR	host-41.239.137.161.tedata.net
41.239.138.125	PTR	host-41.239.138.125.tedata.net
41.239.138.149	PTR	host-41.239.138.149.tedata.net
41.239.138.154	PTR	host-41.239.138.154.tedata.net
41.239.138.201	PTR	host-41.239.138.201.tedata.net
41.239.139.1	PTR	host-41.239.139.1.tedata.net
41.239.139.41	PTR	host-41.239.139.41.tedata.net
41.239.139.67	PTR	host-41.239.139.67.tedata.net
41.239.140.134	PTR	host-41.239.140.134.tedata.net
41.239.140.242	PTR	host-41.239.140.242.tedata.net
41.239.140.253	PTR	host-41.239.140.253.tedata.net
41.239.141.36	PTR	host-41.239.141.36.tedata.net
41.239.141.107	PTR	host-41.239.141.107.tedata.net
41.239.141.162	PTR	host-41.239.141.162.tedata.net
41.239.141.166	PTR	host-41.239.141.166.tedata.net
41.239.141.187	PTR	host-41.239.141.187.tedata.net
41.239.141.199	PTR	host-41.239.141.199.tedata.net
41.239.141.214	PTR	host-41.239.141.214.tedata.net
41.239.142.4	PTR	host-41.239.142.4.tedata.net
41.239.142.90	PTR	host-41.239.142.90.tedata.net
41.239.142.114	PTR	host-41.239.142.114.tedata.net
41.239.142.185	PTR	host-41.239.142.185.tedata.net
41.239.142.201	PTR	host-41.239.142.201.tedata.net
41.239.143.1	PTR	host-41.239.143.1.tedata.net
41.239.143.42	PTR	host-41.239.143.42.tedata.net
41.239.143.97	PTR	host-41.239.143.97.tedata.net
41.239.143.176	PTR	host-41.239.143.176.tedata.net