Robtex

Up: 197.55.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 197.55.192.0/20
Down right: 197.55.208.0/20

IP	Type	Hostname
197.55.192.162	PTR	host-197.55.192.162.tedata.net
197.55.195.3	PTR	host-197.55.195.3.tedata.net
197.55.196.35	PTR	host-197.55.196.35.tedata.net
197.55.198.131	PTR	host-197.55.198.131-static.tedata.net
197.55.216.98	PTR	host-197.55.216.98.tedata.net
197.55.220.160	PTR	host-197.55.220.160.tedata.net
197.55.220.195	PTR	host-197.55.220.195.tedata.net