Robtex

Up: 197.34.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 197.34.32.0/20
Down right: 197.34.48.0/20

IP	Type	Hostname
197.34.33.32	PTR	host-197.34.33.32.tedata.net
197.34.33.224	PTR	host-197.34.33.224.tedata.net
197.34.34.132	PTR	host-197.34.34.132.tedata.net
197.34.35.86	PTR	host-197.34.35.86.tedata.net
197.34.39.103	PTR	host-197.34.39.103.tedata.net
197.34.39.103	A	illkickyourass1.no-ip.biz
197.34.44.229	PTR	host-197.34.44.229.tedata.net
197.34.46.39	PTR	host-197.34.46.39.tedata.net
197.34.50.237	PTR	host-197.34.50.237.tedata.net
197.34.51.74	PTR	host-197.34.51.74.tedata.net
197.34.54.72	PTR	host-197.34.54.72.tedata.net
197.34.58.52	PTR	host-197.34.58.52.tedata.net