Robtex

Up: 193.104.182.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.104.183.0/25
Down right: 193.104.183.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.104.183.1	A+PTR	ns.2000.net.ua
193.104.183.1	A	ns.news2000.com.ua
193.104.183.1	A	ns.2000.ua
193.104.183.7	A+PTR	mail.2000.net.ua
193.104.183.7	A	mail.news2000.com.ua
193.104.183.7	A	mail.weekend.com.ua
193.104.183.13	A	voip.2000.net.ua