Robtex

Up: 188.231.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 188.231.244.0/23
Down right: 188.231.246.0/23

IP	Type	Hostname
188.231.244.193	PTR	188.231.244.193.freenet.com.ua
188.231.246.50	PTR	188.231.246.50.freenet.com.ua
188.231.246.72	PTR	188.231.246.72.freenet.com.ua
188.231.246.180	PTR	188.231.246.180.freenet.com.ua
188.231.247.57	PTR	188.231.247.57.freenet.com.ua