Robtex

Up: 197.43.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 197.43.96.0/20
Down right: 197.43.112.0/20

IP	Type	Hostname
197.43.101.83	PTR	host-197.43.101.83.tedata.net
197.43.103.32	PTR	host-197.43.103.32.tedata.net
197.43.103.224	PTR	host-197.43.103.224.tedata.net
197.43.106.85	PTR	host-197.43.106.85.tedata.net
197.43.112.150	PTR	host-197.43.112.150.tedata.net
197.43.124.178	PTR	host-197.43.124.178.tedata.net