Robtex

Up: 61.109.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 61.109.252.0/23
Down right: 61.109.254.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.109.252.7	A	mail.fa4989.com
61.109.252.7	A	mail.no1pbt.com
61.109.252.7	A	mail.itzhk.net
61.109.252.8	A	mail.daegoya.com
61.109.252.8	A	mail.gkchem.com
61.109.252.8	A	mail.koscoob.com
61.109.252.12	A	mail.kidkids.net
61.109.252.12	A	mail.seowoncorp.co.kr
61.109.252.12	A	mail.maesil.co.kr
61.109.252.16	A	mail.gyrowheels.com
61.109.252.16	A	mail.damool.co.kr
61.109.252.16	A	mail.orummedia.com
61.109.252.21	A	mail.automan.co.kr
61.109.252.21	A	mail.atminc.co.kr
61.109.252.21	A	mail.seoulupenn.com
61.109.252.24	A	mail.kela.co.kr
61.109.252.24	A	mail.schmitterkorea.com
61.109.252.24	A	mail.enfshop.com
61.109.252.27	A	mail.engspace.com
61.109.252.28	A	mail.type-k.net
61.109.252.28	A	mail.xn--z69a852c3dw9ag9pr5m.com
61.109.252.28	A	mail.ledzix.com
61.109.252.32	A	mail.essetel.com
61.109.252.32	A	mail.ket1999.com
61.109.252.32	A	mail.iseznet.com
61.109.252.41	A	mail.eastpromo.com
61.109.252.41	A	mail.recaon.com
61.109.252.41	A	mail.boorim.co.kr
61.109.252.45	A	bannaudio.com
61.109.252.80	A	webmail10.direct.co.kr
61.109.252.80	A	mail.kimstravel.com
61.109.252.80	A	mail.bmskorea.co.kr
61.109.252.91	A	spamfilter1.mailnara.co.kr
61.109.252.92	A	spamfilter2.mailnara.co.kr
61.109.252.93	A+PTR	spamfilter3.mailnara.co.kr
61.109.252.94	A	spamfilter4.mailnara.co.kr
61.109.252.99	A	webmail20.direct.co.kr
61.109.252.100	A+PTR	spamfilter5.mailnara.co.kr
61.109.252.109	A	spamfilter8.mailnara.co.kr
61.109.252.110	A	spamfilter9.mailnara.co.kr
61.109.252.115	A	mail.xn--9r2b1j6nt28b83by5kj8m.com
61.109.252.150	A	mail.hanmia.com
61.109.252.150	A	mail.mentfield-enk.com
61.109.252.150	A	mail.yndavit.net
61.109.252.151	PTR	newmail3.direct.co.kr
61.109.252.152	A	mail.jinmyungtech.com
61.109.252.152	A	mail.ifrx.co.kr
61.109.252.152	A	mail.anacli.co.kr
61.109.252.156	A	mail.haejoeumps.com
61.109.252.156	A	mail.zcell.kr
61.109.252.156	A	mail.medigate.biz
61.109.252.160	A	mail.jisancg.com
61.109.252.160	A	mail.engspace.com
61.109.252.160	A	mail.tct.co.kr
61.109.252.166	A	fimexcorp.com
61.109.252.187	A	mksm.co.kr
61.109.252.188	A	dong-ik.com
61.109.252.189	A	kapah.org
61.109.252.194	A	moreelec.com
61.109.252.241	A+PTR	mail.atkearney.co.kr
61.109.253.22	A	www.multi-kiosk.co.kr
61.109.253.82	A	img.univapply.co.kr
61.109.254.24	A	mail.genoray.com
61.109.254.30	A	ns.nnullsoft.co.kr
61.109.254.30	A	raonart.net
61.109.254.30	A	boramlst.com
61.109.254.41	A	welcomecredit.co.kr
61.109.254.41	A	welcomeloan.co.kr
61.109.254.56	A	mail.iquarium.net
61.109.254.70	A	etonymoly.net
61.109.254.70	A	www.etonymoly.com
61.109.254.70	A	etonymoly.com
61.109.254.71	A	tonymoly.com
61.109.254.72	A	herizme.com
61.109.254.100	A	mail.guardtel.net
61.109.254.100	A	hosting1.hostingplus.co.kr
61.109.254.223	A	www.ninedragons.co.kr
61.109.254.223	A	joongwongames.com
61.109.254.223	A	ninedragons.co.kr
61.109.254.224	A	xn--2e0b80to3lv7k.com
61.109.254.237	A	www.9dkungfuarena.com
61.109.254.237	A	9dkungfuarena.com
61.109.254.240	A	mail.joongwongames.com
61.109.255.26	PTR	mail.cpt.co.kr
61.109.255.27	PTR	mail.cnex.kr
61.109.255.28	A	www.eroomit.net
61.109.255.28	A	mail.remnant21.net
61.109.255.28	A	mail.wbmarket.com
61.109.255.34	PTR	flonet114.com
61.109.255.34	A	mail.world-flower.co.kr
61.109.255.34	A	mail.koreaflowermall.kr
61.109.255.44	A	parkdaljae.com
61.109.255.53	A	hsign.co.kr
61.109.255.53	A	leitnerkorea.com
61.109.255.53	A	www.leitnerkorea.com
61.109.255.67	A	igunwi.com
61.109.255.67	A	ns1.gunwi.kr
61.109.255.67	A	golmokpodo.com
61.109.255.68	A	www.gunwi.kr
61.109.255.68	A	mail.iloveapple.co.kr
61.109.255.68	A	mail.nongza.com
61.109.255.136	A	acketh.com
61.109.255.136	A	chenguo.net
61.109.255.136	A	acketh.net
61.109.255.141	A	yusinhr.com
61.109.255.142	A	ishinho.com
61.109.255.144	A	mail.kornavi.net
61.109.255.144	A	themethodmaster.com
61.109.255.144	A	*.cnanjia.com
61.109.255.155	A	ns.besthost.co.kr
61.109.255.155	A	koreatranslation.com
61.109.255.155	A	mail.comtranslation.com
61.109.255.162	A	mail.knasoft.com
61.109.255.162	A	btsprinter.com
61.109.255.185	A	ns2.yalu.net
61.109.255.190	A	aptitude.co.kr
61.109.255.190	A	mail.aptitude.co.kr
61.109.255.191	A	si.yalu.net
61.109.255.196	A	deokso.or.kr
61.109.255.206	A	motelland.net
61.109.255.206	A	www.motelland.net
61.109.255.206	A	shc7000.com
61.109.255.209	PTR	mail.onionit.com
61.109.255.211	A	ns.skycouple.com
61.109.255.211	A	mail.m3soft.co.kr
61.109.255.211	A	ns.m3soft.co.kr
61.109.255.222	A	company.baskinrobbins.co.kr