Robtex

Up: 123.136.0.0/13
Can't show all results, try to descend to a more specific CIDR
Down left: 123.140.0.0/15
Down right: 123.142.0.0/15
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.140.4.43	A+PTR	mail.manhorope.com
123.140.4.43	A	mail.manho.co.kr
123.140.4.170	A	posri.kr
123.140.4.170	A	www.posri.re.kr
123.140.4.180	PTR	spam.grm.co.kr
123.140.9.219	A	mail.medy-tox.com
123.140.16.90	A	mps.uplus.co.kr
123.140.28.109	A	xn--o39at6k8xmpkf.com
123.140.28.109	A	xn--299an9i5vi9ou.com
123.140.28.109	A	unsedaega.com
123.140.52.140	PTR	gw.gates.co.kr
123.140.52.140	A	www.gates.co.kr
123.140.52.140	A	gates.co.kr
123.140.80.239	A	kmbest.co.kr
123.140.85.136	A	mscreen.sjnts.com
123.140.85.137	A+PTR	gw.sjnts.com
123.140.85.137	A	gw.sjntm.com
123.140.85.137	A	ns1.sjnts.com
123.140.92.7	A	yellowblog.flnet.org
123.140.92.18	A	kwangshin.ac.kr
123.140.92.18	A	www.kwangshin.ac.kr
123.140.92.19	A	www.kwangshin.ac.kr
123.140.92.19	A	ns.kwangshin.ac.kr
123.140.104.144	A	mmc.xpeed.com
123.140.104.155	A	hdtv.suxm.uplus.co.kr
123.140.104.156	A	iptvimcs6.uplus.co.kr
123.140.106.0	A	daiichisankyo.co.kr
123.140.109.5	A	chj.kr
123.140.109.5	A	www.chj.kr
123.140.111.98	A	nns.ush.kr
123.140.111.100	A	mail.ush.kr
123.140.114.131	A	teratech.co.kr
123.140.114.131	A	semitera.com
123.140.114.196	A	kncglobal.net
123.140.114.196	A	openmeetings.co.kr
123.140.121.35	A	ns2.kiwoomstar.com
123.140.121.35	A	ns2.kiwoomstar.co.kr
123.140.121.58	A	ns.kiwoomstar.com
123.140.121.58	A	ns.kiwoomstar.co.kr
123.140.139.198	A	mail.ptpcomm.co.kr
123.140.139.199	A	form4u.co.kr
123.140.139.199	A	lets-fun.net
123.140.139.199	A	ns1.ptpcomm.co.kr
123.140.141.130	PTR	kicos.kr
123.140.141.130	PTR	kicos.or.kr
123.140.141.131	PTR	office.kicos.or.kr
123.140.141.133	PTR	kostec.re.kr
123.140.145.172	A	fcos.farmsco.com
123.140.145.172	A	www.sharepet.co.kr
123.140.145.172	A	warnews.toh.info
123.140.170.50	A	k2pay.co.kr
123.140.170.50	A	k2b2b.com
123.140.170.50	A	ns.k2b2b.com
123.140.178.6	PTR	gw.kjpretech.com
123.140.178.6	PTR	hk.kjpretech.com
123.140.178.6	PTR	hz.kjpretech.com
123.140.185.101	A	toffice.gsasset.co.kr
123.140.185.103	A	gsasset.co.kr
123.140.185.103	A	*.gsasset.co.kr
123.140.185.103	A	ns.gsasset.co.kr
123.140.193.2	A	ns.seojung.or.kr
123.140.193.2	A	seojung.or.kr
123.140.193.2	A	seojung.ne.kr
123.140.197.2	A	ns.jibs.co.kr
123.140.197.2	A	ns1.jibstv.com
123.140.197.2	A	jibstv.com
123.140.203.11	A	dillydally.co.kr
123.140.203.11	A	artbearparade.com
123.140.203.11	A	crownbakery.co.kr
123.140.204.3	PTR	ns.kwangjin-kr.com
123.140.204.3	PTR	ns.kwangjin-usa.com
123.140.204.3	A	ns.kwangjin-mx.com
123.140.204.4	PTR	ns2.kwangjin-kr.com
123.140.204.4	PTR	ns2.kwangjin-usa.com
123.140.204.7	PTR	sniper.kjever.com
123.140.204.7	PTR	sniper.kwangjin-cn.com
123.140.204.7	PTR	sniper.kwangjin-eu.com
123.140.204.8	PTR	kjever.com
123.140.204.8	PTR	kwangjin-cn.com
123.140.204.8	PTR	kwangjin-eu.com
123.140.224.3	A+PTR	huvitz.com
123.140.224.3	A	charops.com
123.140.224.3	A	charops.co.kr
123.140.224.6	PTR	spam.huvitz.com
123.140.230.2	A	ns.hwaseung.co.kr
123.140.230.3	A	ns2.hwaseung.co.kr
123.140.230.22	A+PTR	hsman.co.kr
123.140.230.22	PTR	mail.hwaseung.co.kr
123.140.230.22	A	mail.lkmretail.com
123.140.233.160	A	gonjiamresort.com
123.140.237.3	A	mail.nhfutures.com
123.140.237.10	A	nhabgroup.com
123.140.237.10	A	nhfutures.com
123.140.237.10	A	nanumchuksan.or.kr
123.140.243.192	A	winnerbrain.com
123.140.243.192	A	erumso.net
123.140.248.45	A	o.combel.net
123.140.249.144	A	webmail-001.cafe24test.com
123.140.249.144	A	mail.cafe24test.com
123.140.250.12	PTR	hsrna.com
123.140.250.12	PTR	xn--vu4b40ccc6ux1exx1b.com
123.140.250.12	PTR	xn--vu4b40cllpa59rxx1b.com
123.140.250.13	A	hscmb.com
123.140.250.40	A	hscmb.com
123.141.0.131	PTR	mail.corusmfg.com
123.141.2.83	A	supremabox.com
123.141.13.135	A	svpn.ibkcredit.co.kr
123.141.13.136	A	mdm.ibkcredit.co.kr
123.141.13.141	A+PTR	ibkcredit.co.kr
123.141.13.142	A	nms.ibkcredit.co.kr
123.141.27.140	A	mail.zemiinc.com
123.141.27.140	A	mail.4story.co.kr
123.141.27.140	A	mail.travia2.co.kr
123.141.29.5	A	ns1.eigbattery.com
123.141.29.10	A	group.eigbattery.com
123.141.29.11	A+PTR	mail.eigbattery.com
123.141.29.12	A	spam.eigbattery.com
123.141.29.110	A	group.eigbattery.com
123.141.38.133	A	hyorimnet.com
123.141.38.133	A	www.nousnet.com
123.141.38.133	A	ns.shinbonet.com
123.141.55.202	A	91tv.co.kr
123.141.55.202	A	www.91tv.co.kr
123.141.55.204	A	vpillar.com
123.141.57.21	A	www.nihc.go.kr
123.141.57.21	A	www.iha.go.kr
123.141.57.21	A	iha.go.kr
123.141.83.17	A	gw.meganext.co.kr
123.141.91.234	A	x82.inetcop.org
123.141.91.240	A	underattack.co.kr
123.141.91.240	A	inetcop.org
123.141.91.240	A	ns0.inetcop.org
123.141.93.146	A	ns.smartnet.co.kr
123.141.93.147	A	smartnet.co.kr
123.141.99.250	A	klenzgallery.com
123.141.99.250	A	mail.clean-aid.co.kr
123.141.99.250	A	clean-aid.co.kr
123.141.115.3	A	ns3.kab.co.kr
123.141.115.4	A	ns4.kab.co.kr
123.141.115.10	A	spam.kab.co.kr
123.141.115.11	A	mail.kab.co.kr
123.141.118.29	A	ns2.fashionlitmus.co.kr
123.141.118.29	A	fashionlitmus.co.kr
123.141.118.29	A	www.fashionlitmus.co.kr
123.141.120.205	A	www.oca.myds.me
123.141.120.205	A	oca.myds.me
123.141.135.193	PTR	mail.ybroad.co.kr
123.141.135.193	A+PTR	mail.youngchang.co.kr
123.141.139.131	A	gw.daekhon.co.kr
123.141.139.132	A+PTR	mail.daekhon.co.kr
123.141.139.132	A	mail1.daekhon.co.kr
123.141.143.205	A	springdale.co.kr
123.141.145.10	A	ns1.zenithn.com
123.141.145.11	A	zenithn.com
123.141.145.11	A	softvision.co.kr
123.141.145.11	A	ns2.zenithn.com
123.141.154.135	A	crowncity.kr
123.141.154.135	A	gyeongjuhico.kr
123.141.154.135	A	www.crowncity.kr
123.141.154.138	PTR	mail.hicogw.kr
123.141.217.163	A	ns3.daekyo.co.kr
123.141.228.75	A	aprogen-pharma.co.kr
123.141.228.75	A	www.aprogen-pharma.co.kr
123.141.228.75	A	aprogen-pharm.com
123.141.236.20	A	gokpr.com
123.141.236.116	A	gzone.co.kr
123.141.236.116	A	mail.aytechnology.com
123.141.236.116	A	ns1.aytechnology.com
123.141.247.13	A	kbfg.com
123.141.247.13	A	kbfng.com
123.141.247.13	A	www.kbfg.com
123.141.247.21	A	download.kbcard.com
123.142.4.139	A	ginbal.com
123.142.4.195	A	m3dmedia.com
123.142.5.85	PTR	gw.kjpretech.com
123.142.10.100	A	mail.atos.co.kr
123.142.10.100	A	ns2.atos.co.kr
123.142.14.251	A	com119.pe.kr
123.142.29.79	A	c.10.neocdn.co.kr
123.142.30.134	A	odysay.com
123.142.32.43	A	mail.nuxinfo.net
123.142.32.45	A	jodle.org
123.142.32.45	A	dorazee.com
123.142.32.45	A	narigang.com
123.142.36.29	A	ns2.btworks.co.kr
123.142.48.114	A	ns.wonilsa.co.kr
123.142.48.114	A	wonilsa.co.kr
123.142.51.27	A	mail.jaesungind.co.kr
123.142.51.28	A	jaesungind.co.kr
123.142.55.36	A	ns1.sae-a.com
123.142.62.220	A	webmgr.co.kr
123.142.62.220	A	www.15443355.co.kr
123.142.63.234	A+PTR	ironport.alutek.co.kr
123.142.74.148	A	easybible.or.kr
123.142.74.148	A	www.easybible.or.kr
123.142.88.156	A	ns.wxp21.net
123.142.89.244	A	www.borimlogis.com
123.142.89.244	A	borimlogis.com
123.142.89.244	A	dns.borimlogis.com
123.142.96.157	A	nailart24.co.kr
123.142.108.141	A	ns.moainfo.net
123.142.108.146	A	www.moainfo.net
123.142.108.146	A	sdsports.kr
123.142.108.146	A	root.moainfo.net
123.142.124.146	A+PTR	mail.hsnetw.com
123.142.124.146	A	ns.hsnetw.com
123.142.124.146	A	hsnetw.com
123.142.145.37	A	flexkor.co.kr
123.142.167.122	A	mail.dongbohc.com
123.142.179.250	A	0tz.net
123.142.179.250	A	lntz.org
123.142.179.250	A	yaweiym.com
123.142.182.228	A	www.mbnt.co.kr
123.142.182.228	A	ns.mbnt.co.kr
123.142.182.228	A	mbnt.co.kr
123.142.192.19	A	diostrans.com
123.142.193.22	PTR	duzon.chowel.co.kr
123.142.193.22	PTR	erp.chowel.co.kr
123.142.193.22	A+PTR	mail.chowel.co.kr
123.142.199.87	A	webdisk.org
123.142.203.100	A	prokac.co.kr
123.142.212.214	A	pansori.org
123.142.212.214	A	www.pansori.org
123.142.212.214	A	project.or.kr
123.142.214.210	A	mail.semyungtech.com
123.142.216.12	A+PTR	gw.neoplatech.com
123.142.218.226	A	mail.kakahoho.net
123.143.1.34	A	beerdsaawijky.ooo
123.143.7.227	A	mail.kolinlab.com
123.143.7.227	A	kolinlab.com
123.143.10.147	PTR	csk.kr
123.143.12.10	A	daoneit.com
123.143.18.211	A	pwn.xxx
123.143.47.100	A	benecorp.kr
123.143.47.100	A	benecorp.co.kr
123.143.64.83	A	gw.yedason.com
123.143.79.109	A	eltronix.duwon.net
123.143.79.109	A	root.duwon.net
123.143.79.109	A	duwon.net
123.143.83.135	A	mail.buffingkorea.co.kr
123.143.92.242	A	xn--o39a12l47hkmjgmc.com
123.143.104.39	A	gware.hyupjininc.com
123.143.104.40	A+PTR	gmail.hyupjininc.com
123.143.104.40	A+PTR	gmail.thejnt.com
123.143.109.60	A	starcraftfigure.com
123.143.109.60	A	ns.starcraftfigure.com
123.143.112.62	A	mail.k-cf.com
123.143.126.178	A	mail.dheduceo.kr
123.143.131.93	A	judgeon.net
123.143.133.101	A	semistudy.com
123.143.133.101	A	telsemistudy.com
123.143.133.103	A	einstudy.com
123.143.142.170	A	grtech.synology.me
123.143.142.170	A	www.grtech.synology.me
123.143.149.19	A	hcnc.co.kr
123.143.149.19	A	www.hcnc.co.kr
123.143.149.19	A	mail.hcnc.co.kr
123.143.149.41	A	hcnc.co.kr
123.143.162.222	A	shtpiserver.iptime.org
123.143.179.132	A	ns.compomall.com
123.143.179.132	A	korchip.com
123.143.179.140	A	ns1.compomall.com
123.143.206.72	A	goodars.net
123.143.206.75	A	sendvoice.co.kr
123.143.206.75	A	www.sendvoice.co.kr
123.143.209.243	A	www.educon-eng.synology.me
123.143.209.243	A	educon-eng.synology.me
123.143.212.226	A	g2m.co.kr
123.143.221.146	A	korea-travel.kr
123.143.221.148	A	xn--ok0b236bp0a.com
123.143.226.213	A	www.qisens.synology.me
123.143.226.213	A	qisens.synology.me