Robtex

Up: 203.250.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.250.160.0/21
Down right: 203.250.168.0/21

IP	Type	Hostname
203.250.169.20	A	email.kins.re.kr
203.250.169.30	A+PTR	spam.kins.re.kr
203.250.169.40	A+PTR	mailbes.kins.re.kr
203.250.169.50	A+PTR	mail.kins.re.kr
203.250.170.34	A	easy.kins.re.kr
203.250.170.36	A	rnd.kins.re.kr
203.250.170.61	A	cloud.kins.re.kr
203.250.170.64	A	vm.kins.re.kr
203.250.172.226	A	ops.emulab.kreonet.net
203.250.172.242	A	emulab.kreonet.net
203.250.172.242	A	ns.emulab.kreonet.net
203.250.174.113	A	mail.dnsm.or.kr