Robtex

Up: 188.231.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 188.231.164.0/23
Down right: 188.231.166.0/23

IP	Type	Hostname
188.231.164.177	PTR	188.231.164.177.freenet.com.ua
188.231.164.217	PTR	188.231.164.217.freenet.com.ua
188.231.164.241	PTR	188.231.164.241.freenet.com.ua
188.231.165.1	PTR	188.231.165.1.freenet.com.ua
188.231.165.51	PTR	188.231.165.51.freenet.com.ua
188.231.165.51	A	falkon.in.ua
188.231.165.51	A	mail.falkon.in.ua
188.231.166.5	A+PTR	mail.ung.com.ua
188.231.166.132	PTR	mail-out.fundamentum.com.ua
188.231.166.132	A	mail2.fundamentum.com.ua
188.231.166.132	A	mail2.fundament.ua
188.231.166.134	PTR	188.231.166.134.freenet.com.ua
188.231.166.135	PTR	khv.com.ua
188.231.167.255	PTR	188.231.167.255.freenet.com.ua