Robtex

Up: 156.210.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 156.210.0.0/19
Down right: 156.210.32.0/19

IP	Type	Hostname
156.210.0.39	PTR	host-156.210.39.0-static.tedata.net
156.210.0.201	PTR	host-156.210.201.0-static.tedata.net
156.210.1.0	PTR	host-156.210.0.1-static.tedata.net
156.210.1.169	PTR	host-156.210.169.1-static.tedata.net
156.210.2.71	PTR	host-156.210.71.2-static.tedata.net
156.210.7.154	PTR	host-156.210.154.7-static.tedata.net
156.210.8.119	PTR	host-156.210.119.8-static.tedata.net
156.210.10.11	PTR	host-156.210.11.10-static.tedata.net
156.210.10.173	PTR	host-156.210.173.10-static.tedata.net
156.210.10.212	PTR	host-156.210.212.10-static.tedata.net
156.210.14.164	PTR	host-156.210.164.14-static.tedata.net
156.210.15.2	PTR	host-156.210.2.15-static.tedata.net
156.210.15.236	PTR	host-156.210.236.15-static.tedata.net
156.210.15.242	PTR	host-156.210.242.15-static.tedata.net
156.210.20.254	PTR	host-156.210.254.20-static.tedata.net
156.210.25.43	PTR	host-156.210.43.25-static.tedata.net
156.210.26.196	PTR	host-156.210.196.26-static.tedata.net
156.210.32.188	PTR	host-156.210.188.32-static.tedata.net
156.210.39.2	PTR	host-156.210.2.39-static.tedata.net
156.210.40.41	PTR	host-156.210.41.40-static.tedata.net
156.210.40.73	PTR	host-156.210.73.40-static.tedata.net
156.210.40.86	PTR	host-156.210.86.40-static.tedata.net
156.210.41.5	PTR	host-156.210.5.41-static.tedata.net
156.210.41.111	PTR	host-156.210.111.41-static.tedata.net
156.210.49.97	PTR	host-156.210.97.49-static.tedata.net
156.210.50.245	PTR	host-156.210.245.50-static.tedata.net
156.210.52.154	PTR	host-156.210.154.52-static.tedata.net
156.210.53.243	PTR	host-156.210.243.53-static.tedata.net
156.210.54.226	PTR	host-156.210.226.54-static.tedata.net
156.210.62.41	PTR	host-156.210.41.62-static.tedata.net