Robtex

Up: 197.35.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 197.35.96.0/20
Down right: 197.35.112.0/20

IP	Type	Hostname
197.35.96.226	PTR	host-197.35.96.226.tedata.net
197.35.100.53	PTR	host-197.35.100.53.tedata.net
197.35.102.51	PTR	host-197.35.102.51.tedata.net
197.35.104.142	PTR	host-197.35.104.142.tedata.net
197.35.112.226	PTR	host-197.35.112.226.tedata.net
197.35.113.250	PTR	host-197.35.113.250.tedata.net
197.35.114.111	PTR	host-197.35.114.111.tedata.net
197.35.117.182	PTR	host-197.35.117.182.tedata.net
197.35.118.207	PTR	host-197.35.118.207.tedata.net
197.35.119.174	PTR	host-197.35.119.174.tedata.net