Robtex

Up: 203.241.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.241.208.0/21
Down right: 203.241.216.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.241.220.11	A+PTR	ems.kier.re.kr
203.241.220.16	A+PTR	syslog.kier.re.kr
203.241.220.20	A+PTR	db.kier.re.kr
203.241.220.21	A	portal.kier.re.kr
203.241.220.22	A	mis.kier.re.kr
203.241.220.47	A	help.kier.re.kr
203.241.220.100	A+PTR	ns.kier.re.kr
203.241.220.101	A+PTR	spamfilter.kier.re.kr
203.241.220.102	A+PTR	kier.re.kr
203.241.220.102	PTR	mail.kier.re.kr
203.241.220.102	A+PTR	webmail.kier.re.kr
203.241.220.104	PTR	fep.kier.re.kr
203.241.220.104	PTR	m.kier.re.kr
203.241.220.104	PTR	web.kier.re.kr
203.241.220.115	PTR	web.kier.re.kr
203.241.220.115	PTR	m.kier.re.kr
203.241.220.115	PTR	www.kier.re.kr
203.241.220.133	A	kvm.kier.re.kr
203.241.220.150	A+PTR	sms.kier.re.kr
203.241.221.25	PTR	o.kier.re.kr