Robtex

Up: 41.42.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 41.42.24.0/22
Down right: 41.42.28.0/22

IP	Type	Hostname
41.42.24.72	PTR	host-41.42.24.72.tedata.net
41.42.24.147	PTR	host-41.42.24.147.tedata.net
41.42.25.50	PTR	host-41.42.25.50.tedata.net
41.42.25.57	PTR	host-41.42.25.57.tedata.net
41.42.25.123	PTR	host-41.42.25.123.tedata.net
41.42.25.177	PTR	host-41.42.25.177.tedata.net
41.42.25.225	PTR	host-41.42.25.225.tedata.net
41.42.27.241	PTR	host-41.42.27.241.tedata.net
41.42.28.200	PTR	host-41.42.28.200.tedata.net
41.42.29.11	PTR	host-41.42.29.11.tedata.net
41.42.30.58	PTR	host-41.42.30.58.tedata.net
41.42.30.129	PTR	host-41.42.30.129.tedata.net
41.42.30.192	PTR	host-41.42.30.192.tedata.net
41.42.30.242	PTR	host-41.42.30.242.tedata.net
41.42.31.179	PTR	host-41.42.31.179.tedata.net