Robtex

Up: 61.37.252.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 61.37.252.0/25
Down right: 61.37.252.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.37.252.67	A+PTR	mail.educar.co.kr
61.37.252.67	A+PTR	ns.educar.co.kr
61.37.252.225	PTR	1566-3000.com
61.37.252.225	PTR	narainsu.com
61.37.252.225	A+PTR	the-k-insu.com
61.37.252.232	PTR	ems.educar.co.kr
61.37.252.235	A+PTR	pobafestival.com
61.37.252.235	A+PTR	educar.co.kr
61.37.252.235	A+PTR	thekwelcome.com