Robtex

Up: 41.235.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 41.235.72.0/23
Down right: 41.235.74.0/23

IP	Type	Hostname
41.235.72.1	PTR	host-41.235.72.1.tedata.net
41.235.72.22	PTR	host-41.235.72.22.tedata.net
41.235.72.107	PTR	host-41.235.72.107.tedata.net
41.235.72.155	PTR	host-41.235.72.155.tedata.net
41.235.72.186	PTR	host-41.235.72.186.tedata.net
41.235.73.8	PTR	host-41.235.73.8.tedata.net
41.235.73.11	PTR	host-41.235.73.11.tedata.net
41.235.73.14	PTR	host-41.235.73.14.tedata.net
41.235.73.17	PTR	host-41.235.73.17.tedata.net
41.235.73.20	PTR	host-41.235.73.20.tedata.net
41.235.73.70	PTR	host-41.235.73.70.tedata.net
41.235.73.161	PTR	host-41.235.73.161.tedata.net
41.235.73.187	PTR	host-41.235.73.187.tedata.net
41.235.73.202	PTR	host-41.235.73.202.tedata.net
41.235.73.212	PTR	host-41.235.73.212.tedata.net
41.235.74.45	PTR	host-41.235.74.45.tedata.net
41.235.74.95	PTR	host-41.235.74.95.tedata.net
41.235.74.148	PTR	host-41.235.74.148.tedata.net
41.235.74.159	PTR	host-41.235.74.159.tedata.net
41.235.74.164	PTR	host-41.235.74.164.tedata.net
41.235.74.165	PTR	host-41.235.74.165.tedata.net
41.235.74.219	PTR	host-41.235.74.219.tedata.net
41.235.75.36	PTR	host-41.235.75.36.tedata.net
41.235.75.128	PTR	host-41.235.75.128.tedata.net
41.235.75.163	PTR	host-41.235.75.163.tedata.net
41.235.75.192	PTR	host-41.235.75.192.tedata.net