Robtex

Up: 41.233.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 41.233.48.0/23
Down right: 41.233.50.0/23

IP	Type	Hostname
41.233.48.24	PTR	host-41.233.48.24.tedata.net
41.233.48.52	PTR	host-41.233.48.52.tedata.net
41.233.48.132	PTR	host-41.233.48.132.tedata.net
41.233.48.150	PTR	host-41.233.48.150.tedata.net
41.233.48.154	PTR	host-41.233.48.154.tedata.net
41.233.48.168	PTR	host-41.233.48.168.tedata.net
41.233.48.183	PTR	host-41.233.48.183.tedata.net
41.233.48.216	PTR	host-41.233.48.216.tedata.net
41.233.49.74	PTR	host-41.233.49.74.tedata.net
41.233.49.251	PTR	host-41.233.49.251.tedata.net
41.233.50.20	PTR	host-41.233.50.20.tedata.net
41.233.50.90	PTR	host-41.233.50.90.tedata.net
41.233.50.95	PTR	host-41.233.50.95.tedata.net
41.233.50.123	PTR	host-41.233.50.123.tedata.net
41.233.51.118	PTR	host-41.233.51.118.tedata.net