Robtex

Up: 213.109.164.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 213.109.166.0/24
Down right: 213.109.167.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.109.166.50	A	korek.cz
213.109.166.112	PTR	112.166.109.213.in-addr.arpa
213.109.167.20	PTR	orlik.stable.cz
213.109.167.20	A	borabela.cz
213.109.167.20	A	weider-czech.cz
213.109.167.88	PTR	whitenet.ro
213.109.167.88	A	scit.cz