Robtex

Up: 188.231.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 188.231.196.0/23
Down right: 188.231.198.0/23

IP	Type	Hostname
188.231.196.12	PTR	188.231.196.12.freenet.com.ua
188.231.196.43	PTR	188.231.196.43.freenet.com.ua
188.231.196.60	PTR	188.231.196.60.freenet.com.ua
188.231.196.61	PTR	188.231.196.61.freenet.com.ua
188.231.196.111	PTR	188.231.196.111.freenet.com.ua
188.231.196.242	PTR	188.231.196.242.freenet.com.ua
188.231.197.3	PTR	188.231.197.3.freenet.com.ua
188.231.197.12	PTR	188.231.197.12.freenet.com.ua
188.231.197.48	PTR	188.231.197.48.freenet.com.ua
188.231.197.61	PTR	188.231.197.61.freenet.com.ua
188.231.197.63	PTR	188.231.197.63.freenet.com.ua
188.231.197.175	PTR	188.231.197.175.freenet.com.ua
188.231.197.204	PTR	188.231.197.204.freenet.com.ua
188.231.197.220	PTR	188.231.197.220.freenet.com.ua
188.231.198.218	PTR	188.231.198.218.freenet.com.ua
188.231.199.217	PTR	188.231.199.217.freenet.com.ua