Robtex

Up: 41.42.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 41.42.100.0/23
Down right: 41.42.102.0/23

IP	Type	Hostname
41.42.100.30	PTR	host-41.42.100.30.tedata.net
41.42.100.113	PTR	host-41.42.100.113.tedata.net
41.42.100.167	PTR	host-41.42.100.167.tedata.net
41.42.100.235	PTR	host-41.42.100.235.tedata.net
41.42.100.237	PTR	host-41.42.100.237.tedata.net
41.42.101.146	PTR	host-41.42.101.146.tedata.net
41.42.101.229	PTR	host-41.42.101.229.tedata.net
41.42.102.63	PTR	host-41.42.102.63.tedata.net
41.42.103.39	PTR	host-41.42.103.39.tedata.net
41.42.103.76	PTR	host-41.42.103.76.tedata.net
41.42.103.105	PTR	host-41.42.103.105.tedata.net
41.42.103.149	PTR	host-41.42.103.149.tedata.net
41.42.103.167	PTR	host-41.42.103.167.tedata.net
41.42.103.178	PTR	host-41.42.103.178.tedata.net
41.42.103.195	PTR	host-41.42.103.195.tedata.net
41.42.103.208	PTR	host-41.42.103.208.tedata.net
41.42.103.232	PTR	host-41.42.103.232.tedata.net
41.42.103.252	PTR	host-41.42.103.252.tedata.net