Robtex

Up: 197.55.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 197.55.96.0/21
Down right: 197.55.104.0/21

IP	Type	Hostname
197.55.96.131	PTR	host-197.55.96.131.tedata.net
197.55.103.211	PTR	host-197.55.103.211-static.tedata.net
197.55.104.1	PTR	host-197.55.104.1.tedata.net
197.55.106.161	PTR	host-197.55.106.161.tedata.net
197.55.107.19	PTR	host-197.55.107.19.tedata.net
197.55.108.19	PTR	host-197.55.108.19.tedata.net
197.55.109.243	PTR	host-197.55.109.243.tedata.net