Robtex

Up: 41.42.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 41.42.68.0/23
Down right: 41.42.70.0/23

IP	Type	Hostname
41.42.68.1	PTR	host-41.42.68.1.tedata.net
41.42.68.7	PTR	host-41.42.68.7.tedata.net
41.42.68.32	PTR	host-41.42.68.32.tedata.net
41.42.68.46	PTR	host-41.42.68.46.tedata.net
41.42.68.98	PTR	host-41.42.68.98.tedata.net
41.42.68.115	PTR	host-41.42.68.115.tedata.net
41.42.68.200	PTR	host-41.42.68.200.tedata.net
41.42.69.24	PTR	host-41.42.69.24.tedata.net
41.42.69.60	PTR	host-41.42.69.60.tedata.net
41.42.69.80	PTR	host-41.42.69.80.tedata.net
41.42.69.170	PTR	host-41.42.69.170.tedata.net
41.42.69.206	PTR	host-41.42.69.206.tedata.net
41.42.70.57	PTR	host-41.42.70.57.tedata.net
41.42.70.174	PTR	host-41.42.70.174.tedata.net
41.42.70.197	PTR	host-41.42.70.197.tedata.net
41.42.70.198	PTR	host-41.42.70.198.tedata.net
41.42.70.240	PTR	host-41.42.70.240.tedata.net
41.42.71.17	PTR	host-41.42.71.17.tedata.net
41.42.71.54	PTR	host-41.42.71.54.tedata.net
41.42.71.78	PTR	host-41.42.71.78.tedata.net
41.42.71.103	PTR	host-41.42.71.103.tedata.net
41.42.71.205	PTR	host-41.42.71.205.tedata.net
41.42.71.216	PTR	host-41.42.71.216.tedata.net
41.42.71.221	PTR	host-41.42.71.221.tedata.net
41.42.71.225	PTR	host-41.42.71.225.tedata.net
41.42.71.236	PTR	host-41.42.71.236.tedata.net
41.42.71.242	PTR	host-41.42.71.242.tedata.net