Robtex

Up: 197.41.88.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 197.41.92.0/23
Down right: 197.41.94.0/23

IP	Type	Hostname
197.41.92.2	PTR	host-197.41.92.2.tedata.net
197.41.92.13	PTR	host-197.41.92.13.tedata.net
197.41.92.15	PTR	host-197.41.92.15.tedata.net
197.41.92.25	PTR	host-197.41.92.25.tedata.net
197.41.92.26	PTR	host-197.41.92.26.tedata.net
197.41.92.28	PTR	host-197.41.92.28.tedata.net
197.41.92.36	PTR	host-197.41.92.36.tedata.net
197.41.92.40	PTR	host-197.41.92.40.tedata.net
197.41.92.42	PTR	host-197.41.92.42.tedata.net
197.41.92.51	PTR	host-197.41.92.51.tedata.net
197.41.92.60	PTR	host-197.41.92.60.tedata.net
197.41.92.65	PTR	host-197.41.92.65.tedata.net
197.41.92.68	PTR	host-197.41.92.68.tedata.net
197.41.92.70	PTR	host-197.41.92.70.tedata.net
197.41.92.80	PTR	host-197.41.92.80.tedata.net
197.41.92.81	PTR	host-197.41.92.81.tedata.net
197.41.92.86	PTR	host-197.41.92.86.tedata.net
197.41.92.88	PTR	host-197.41.92.88.tedata.net
197.41.92.89	PTR	host-197.41.92.89.tedata.net
197.41.92.100	PTR	host-197.41.92.100.tedata.net
197.41.92.106	PTR	host-197.41.92.106.tedata.net
197.41.92.112	PTR	host-197.41.92.112.tedata.net
197.41.92.124	PTR	host-197.41.92.124.tedata.net
197.41.92.143	PTR	host-197.41.92.143.tedata.net
197.41.92.145	PTR	host-197.41.92.145.tedata.net
197.41.92.149	PTR	host-197.41.92.149.tedata.net
197.41.92.168	PTR	host-197.41.92.168.tedata.net
197.41.92.186	PTR	host-197.41.92.186.tedata.net
197.41.92.188	PTR	host-197.41.92.188.tedata.net
197.41.92.190	PTR	host-197.41.92.190.tedata.net
197.41.92.192	PTR	host-197.41.92.192.tedata.net
197.41.92.195	PTR	host-197.41.92.195.tedata.net
197.41.92.204	PTR	host-197.41.92.204.tedata.net
197.41.92.208	PTR	host-197.41.92.208.tedata.net
197.41.92.218	PTR	host-197.41.92.218.tedata.net
197.41.92.220	PTR	host-197.41.92.220.tedata.net
197.41.92.231	PTR	host-197.41.92.231.tedata.net
197.41.92.236	PTR	host-197.41.92.236.tedata.net
197.41.92.238	PTR	host-197.41.92.238.tedata.net
197.41.92.246	PTR	host-197.41.92.246.tedata.net