Robtex

Up: 41.239.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 41.239.80.0/22
Down right: 41.239.84.0/22

IP	Type	Hostname
41.239.80.19	PTR	host-41.239.80.19.tedata.net
41.239.80.24	PTR	host-41.239.80.24.tedata.net
41.239.80.50	PTR	host-41.239.80.50.tedata.net
41.239.80.61	PTR	host-41.239.80.61.tedata.net
41.239.80.73	PTR	host-41.239.80.73.tedata.net
41.239.80.74	PTR	host-41.239.80.74.tedata.net
41.239.80.190	PTR	host-41.239.80.190.tedata.net
41.239.81.139	PTR	host-41.239.81.139.tedata.net
41.239.82.5	PTR	host-41.239.82.5.tedata.net
41.239.82.52	PTR	host-41.239.82.52.tedata.net
41.239.82.80	PTR	host-41.239.82.80.tedata.net
41.239.82.83	PTR	host-41.239.82.83.tedata.net
41.239.82.175	PTR	host-41.239.82.175.tedata.net
41.239.82.191	PTR	host-41.239.82.191.tedata.net
41.239.82.192	PTR	host-41.239.82.192.tedata.net
41.239.82.199	PTR	host-41.239.82.199.tedata.net
41.239.82.227	PTR	host-41.239.82.227.tedata.net
41.239.82.248	PTR	host-41.239.82.248.tedata.net
41.239.82.249	PTR	host-41.239.82.249.tedata.net
41.239.83.4	PTR	host-41.239.83.4.tedata.net
41.239.83.248	PTR	host-41.239.83.248.tedata.net
41.239.84.40	PTR	host-41.239.84.40.tedata.net
41.239.86.56	PTR	host-41.239.86.56.tedata.net
41.239.86.144	PTR	host-41.239.86.144.tedata.net
41.239.87.25	PTR	host-41.239.87.25.tedata.net
41.239.87.211	PTR	host-41.239.87.211.tedata.net