Robtex

Up: 156.213.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 156.213.192.0/19
Down right: 156.213.224.0/19

IP	Type	Hostname
156.213.202.86	PTR	host-156.213.86.202-static.tedata.net
156.213.203.238	PTR	host-156.213.238.203-static.tedata.net
156.213.203.254	PTR	host-156.213.254.203-static.tedata.net
156.213.209.128	PTR	host-156.213.128.209-static.tedata.net
156.213.210.105	PTR	host-156.213.105.210-static.tedata.net
156.213.212.84	PTR	host-156.213.84.212-static.tedata.net
156.213.215.44	PTR	host-156.213.44.215-static.tedata.net
156.213.217.252	PTR	host-156.213.252.217-static.tedata.net
156.213.218.167	PTR	host-156.213.167.218-static.tedata.net
156.213.221.218	PTR	host-156.213.218.221-static.tedata.net
156.213.222.171	PTR	host-156.213.171.222-static.tedata.net
156.213.227.46	PTR	host-156.213.46.227-static.tedata.net
156.213.227.238	PTR	host-156.213.238.227-static.tedata.net
156.213.229.17	PTR	host-156.213.17.229-static.tedata.net
156.213.232.129	PTR	host-156.213.129.232-static.tedata.net
156.213.233.254	PTR	host-156.213.254.233-static.tedata.net
156.213.234.46	PTR	host-156.213.46.234-static.tedata.net
156.213.235.14	PTR	host-156.213.14.235-static.tedata.net
156.213.235.174	PTR	host-156.213.174.235-static.tedata.net
156.213.235.190	PTR	host-156.213.190.235-static.tedata.net
156.213.235.236	PTR	host-156.213.236.235-static.tedata.net
156.213.235.238	PTR	host-156.213.238.235-static.tedata.net
156.213.235.239	PTR	host-156.213.239.235-static.tedata.net
156.213.235.246	PTR	host-156.213.246.235-static.tedata.net
156.213.236.48	PTR	host-156.213.48.236-static.tedata.net
156.213.236.192	PTR	host-156.213.192.236-static.tedata.net
156.213.237.98	PTR	host-156.213.98.237-static.tedata.net
156.213.239.46	PTR	host-156.213.46.239-static.tedata.net
156.213.255.255	PTR	host-156.213.255.255-static.tedata.net