Robtex

Up: 203.254.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.254.1.0/25
Down right: 203.254.1.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.254.1.113	A+PTR	bmail.or.kr
203.254.1.113	A+PTR	www.bmail.or.kr
203.254.1.113	PTR	bmail.cwd.or.kr
203.254.1.117	A	mail1.bmail.or.kr
203.254.1.119	A	mail2.bmail.or.kr
203.254.1.121	A+PTR	mail3.bmail.or.kr
203.254.1.123	A+PTR	db01.bmail.or.kr
203.254.1.210	A	mdm2.president.go.kr