Robtex

Up: 203.253.254.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.253.255.0/25
Down right: 203.253.255.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.253.255.4	PTR	sanhak.hallym.ac.kr
203.253.255.137	A	doonosoft.com
203.253.255.140	A	mir-nine.com
203.253.255.140	A	ns2.mir-nine.com
203.253.255.140	A	ns1.mir-nine.com
203.253.255.221	A	ns2.oxsolution.co.kr