Robtex

Up: 203.250.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.250.176.0/21
Down right: 203.250.184.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.250.179.4	A+PTR	ns.kopri.re.kr
203.250.179.5	PTR	autodiscover.kopri.re.kr
203.250.179.5	A+PTR	mail.kopri.re.kr
203.250.179.5	PTR	bigfile.kopri.re.kr.179.250.203.in-addr.arpa
203.250.179.7	A	polar.re.kr
203.250.179.21	A	webmail.polar.re.kr
203.250.179.119	PTR	imap.kopri.re.kr.179.250.203.in-addr.arpa
203.250.179.119	PTR	pop.kopri.re.kr.179.250.203.in-addr.arpa
203.250.179.119	A	imap.kopri.re.kr
203.250.180.131	A	afops.org
203.250.180.135	A	mail.polar.re.kr
203.250.180.135	A	root.polar.re.kr
203.250.181.5	A	www.ulsanbike.or.kr
203.250.182.7	A+PTR	mail.kriso.re.kr
203.250.182.7	A	mail.moeri.re.kr
203.250.182.8	A+PTR	spam.kriso.re.kr
203.250.182.9	A	kriso.re.kr
203.250.182.11	PTR	ns.kriso.re.kr
203.250.182.11	A	kriso.re.kr
203.250.182.21	A	www.kriso.re.kr
203.250.182.23	A	www.smartnav.org
203.250.182.23	A	smartnav.org
203.250.182.23	A	www.smart-navigation.org