Robtex

Up: 156.192.0.0/14
Can't show all results, try to descend to a more specific CIDR
Down left: 156.192.0.0/16
Down right: 156.193.0.0/16

IP	Type	Hostname
156.192.0.0	PTR	host-156.192.0.0-static.tedata.net
156.192.0.1	PTR	host-156.192.1.0-static.tedata.net
156.192.0.8	PTR	host-156.192.8.0-static.tedata.net
156.192.0.9	PTR	host-156.192.9.0-static.tedata.net
156.193.0.8	PTR	host-156.193.8.0-static.tedata.net
156.193.0.9	PTR	host-156.193.9.0-static.tedata.net
156.193.32.2	PTR	host-156.193.2.32-static.tedata.net
156.193.34.2	PTR	host-156.193.2.34-static.tedata.net
156.193.139.179	PTR	host-156.193.179.139-static.tedata.net
156.193.171.46	PTR	host-156.193.46.171-static.tedata.net