Robtex

Up: 49.254.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 49.254.128.0/18
Down right: 49.254.192.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
49.254.140.12	A	mail.dongnak.com
49.254.140.14	A	www.mx.co.kr
49.254.140.14	A	www.jhwater.kr
49.254.140.24	A	suhasanchon.co.kr
49.254.140.200	A	svr-ad-01.mx.co.kr
49.254.140.200	A	ns.mx.co.kr
49.254.140.200	A	mx.co.kr
49.254.144.212	A	miraldure.net
49.254.144.212	A	www.seohyun.org
49.254.144.212	A	bjc1947.org
49.254.151.254	A	sorol-k.com
49.254.151.254	A	mail.bomcompany.net
49.254.151.254	A	roum.kr
49.254.154.149	A	coreahs.com
49.254.155.70	A	file.masangsoft.com
49.254.155.72	A	hudson.masangsoft.com
49.254.161.21	A	webhardtoken.com
49.254.161.137	A+PTR	gw.bi-nex.com
49.254.161.137	A	mail.bi-nex.com
49.254.164.143	A	minuhan.com
49.254.166.152	A	dynestory.com
49.254.166.223	A	www.kuby.co.kr
49.254.166.223	A	kuby.co.kr
49.254.178.14	A	sncinteractive.com
49.254.183.166	A	tcneedles.com
49.254.183.172	A+PTR	spam.sbdsales.co.kr
49.254.187.242	A	ns1.readersone.com
49.254.187.242	A	ns1.scaiv.com
49.254.187.242	A	ns1.kcthome.co.kr
49.254.202.86	A	mail.jjgmail.com
49.254.202.86	A	jjgmail.com
49.254.202.86	A	xyzzzx.com
49.254.211.11	A	8kch.com
49.254.211.15	A	labs01.symanteclabs.com
49.254.211.17	A	lima369.com
49.254.211.21	A	freegame.dnsdojo.com
49.254.215.169	A	whoisdelta.com
49.254.215.178	A	xn--xu5bx4w.net
49.254.215.178	A	sorav.info
49.254.215.178	A	navfer.com
49.254.216.90	A	mail.facetwo.net
49.254.216.200	A	www.jkds.kr
49.254.216.211	A	korexam.com
49.254.216.211	A	studyway.net
49.254.216.241	A	mail.medikoreanet.com
49.254.226.106	A	sosdrug.com
49.254.236.104	A	peonuts.com
49.254.241.227	A	hanacr.com
49.254.241.227	A	ezsetak.com
49.254.250.66	A	ssl-reople.ad4989.co.kr
49.254.250.67	A	api.tend-table.com
49.254.250.80	A	ad4989.co.kr
49.254.250.200	A	hdlandrich.com
49.254.251.166	A	twosonsoft.com