Robtex

Up: 197.33.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 197.33.96.0/20
Down right: 197.33.112.0/20

IP	Type	Hostname
197.33.98.22	PTR	host-197.33.98.22.tedata.net
197.33.111.98	PTR	host-197.33.111.98.tedata.net
197.33.115.45	PTR	host-197.33.115.45.tedata.net
197.33.116.220	PTR	host-197.33.116.220.tedata.net
197.33.117.254	PTR	host-197.33.117.254.tedata.net
197.33.119.211	PTR	host-197.33.119.211.tedata.net
197.33.120.26	PTR	host-197.33.120.26.tedata.net
197.33.124.33	PTR	host-197.33.124.33.tedata.net
197.33.124.34	PTR	host-197.33.124.34.tedata.net
197.33.124.64	PTR	host-197.33.124.64.tedata.net
197.33.124.161	PTR	host-197.33.124.161.tedata.net
197.33.126.4	PTR	host-197.33.126.4.tedata.net
197.33.126.32	PTR	host-197.33.126.32.tedata.net
197.33.126.98	PTR	host-197.33.126.98.tedata.net
197.33.126.161	PTR	host-197.33.126.161.tedata.net
197.33.126.194	PTR	host-197.33.126.194.tedata.net