Robtex

Up: 219.71.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 219.71.4.0/23
Down right: 219.71.6.0/23

IP	Type	Hostname
219.71.4.18	A	host-219-71-4-18.dynamic.kbtelecom.net
219.71.4.49	PTR	host-219-71-4-49.dynamic.kbtelecom.net
219.71.4.182	A+PTR	host-219-71-4-182.dynamic.kbtelecom.net
219.71.4.185	PTR	host-219-71-4-185.dynamic.kbtelecom.net
219.71.4.236	PTR	host-219-71-4-236.dynamic.kbtelecom.net
219.71.6.95	A	host-219-71-6-95.dynamic.kbtelecom.net
219.71.6.120	A+PTR	host-219-71-6-120.dynamic.kbtelecom.net
219.71.7.71	A	host-219-71-7-71.dynamic.kbtelecom.net
219.71.7.139	A	host-219-71-7-139.dynamic.kbtelecom.net
219.71.7.153	A	host-219-71-7-153.dynamic.kbtelecom.net