Robtex

Up: 217.23.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 217.23.252.0/23
Down right: 217.23.254.0/23

IP	Type	Hostname
217.23.252.147	A+PTR	chello217023252147.chello.sk
217.23.252.147	A	hladas.com
217.23.252.162	A	chello217023252162.chello.sk
217.23.252.170	A+PTR	chello217023252170.chello.sk
217.23.252.171	A	chello217023252171.chello.sk
217.23.252.219	A+PTR	chello217023252219.chello.sk
217.23.252.231	A+PTR	chello217023252231.chello.sk
217.23.253.25	PTR	chello217023253025.chello.sk
217.23.253.142	A+PTR	chello217023253142.chello.sk
217.23.253.183	PTR	chello217023253183.chello.sk
217.23.253.248	A	chello217023253248.chello.sk
217.23.254.52	A+PTR	chello217023254052.chello.sk
217.23.254.53	PTR	chello217023254053.chello.sk
217.23.254.85	A+PTR	chello217023254085.chello.sk
217.23.254.124	A+PTR	chello217023254124.chello.sk
217.23.254.125	A+PTR	chello217023254125.chello.sk
217.23.255.100	PTR	chello21702325500100.chello.sk
217.23.255.255	PTR	chello21702325500255.chello.sk