Robtex

Up: 211.54.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 211.54.0.0/17
Down right: 211.54.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.54.1.93	A	www.rorschach.kr
211.54.2.1	A	ns.seoulmetro.co.kr
211.54.2.16	A+PTR	mail.seoulmetro.co.kr
211.54.2.16	A	mail.seoulsubway.co.kr
211.54.2.50	A	seoulmetro.co.kr
211.54.3.133	A	ns3.phcorner.ga
211.54.5.100	PTR	buttle.co.kr
211.54.5.161	A+PTR	rocket.gbattery.com
211.54.5.161	A	*.gbattery.com
211.54.5.161	A	postmaster.gbattery.com
211.54.5.162	A	rocket.gbattery.com
211.54.5.163	A	sniper.sebangind.com
211.54.11.207	A	c.09.neocdn.co.kr
211.54.12.134	A	ilovemilk.or.kr
211.54.15.3	A	gw.tiformen.com
211.54.16.226	PTR	pcdirect.co.kr
211.54.17.57	A	thiq.com
211.54.17.201	A	smlab.co.kr
211.54.17.201	A	www.smlab.co.kr
211.54.17.201	A	smls01.smlab.co.kr
211.54.18.15	A	mail.ivyclubfriends.com
211.54.18.15	A	mail.daewon.co.kr
211.54.18.15	A	mail.ivyclub.com
211.54.18.24	A	ivyclub.com
211.54.24.111	A	dongfangpnf.com
211.54.34.1	A	mail.heraldm.com
211.54.34.1	A	mail.heraldcorp.com
211.54.34.2	A	smtp1.heraldm.com
211.54.34.3	A	smtp2.heraldm.com
211.54.35.118	A	mail2.heraldm.com
211.54.36.194	A	mail.hddclub.co.kr
211.54.37.98	A	nas.online1004.net
211.54.37.130	PTR	dbmedia.co.kr
211.54.40.48	A	startupcoding.net
211.54.42.133	A	dywas.pcsline.co.kr
211.54.52.179	A	ns.linmalu.com
211.54.55.1	A	ns1.bsnc.co.kr
211.54.55.2	A	www.hd-bsni.com
211.54.55.2	A	hd-bsnc.com
211.54.55.2	A	kr-asset.com
211.54.55.4	PTR	gw.hd-bsnc.com
211.54.55.4	PTR	mail.hd-bsnc.com
211.54.57.41	A	www.ccsungkwang.com
211.54.57.41	A	kshun.pe.kr
211.54.57.41	A	www.compt.net
211.54.68.7	A	sniper.seoulland.co.kr
211.54.68.27	A	hd.seoulland.co.kr
211.54.69.1	A	ns.plakor.com
211.54.69.223	A	kgif.co.kr
211.54.70.103	A	witcons.com
211.54.71.202	A	silverbird.iptime.org
211.54.74.235	A	ns.bixplace.com
211.54.74.236	A	ns2.walkpc.com
211.54.74.236	A	www.walkpc.com
211.54.74.236	A	ns1.walkpc.com
211.54.75.18	A+PTR	mail.ksmartech.com
211.54.75.18	A	ksmartech.com
211.54.75.116	PTR	mail.leadtech21.com
211.54.76.130	PTR	dandyz.com
211.54.85.45	A	shc.me
211.54.87.30	A	sungchan.org
211.54.88.6	A+PTR	casserver.casamia.co.kr
211.54.88.6	A+PTR	mail.casamia.co.kr
211.54.88.15	A	mail.casamiashop.com
211.54.88.31	A+PTR	spam.casamia.co.kr
211.54.92.33	A	www.dmd.co.kr
211.54.97.109	A	hemapresso.com
211.54.102.150	A	dha6211.synology.me
211.54.102.150	A	www.dha6211.synology.me
211.54.105.65	PTR	hitrol.co.kr
211.54.118.33	PTR	booster.co.kr
211.54.120.180	PTR	gocns.co.kr
211.54.132.122	A	mail.daedonggear.com
211.54.132.122	A	spam.daedonggear.com
211.54.135.21	A	xn--9v2bp8ay8i3zj.kr
211.54.135.21	A	morningfarm.net
211.54.135.21	A	www.xn--9v2bp8ay8i3zj.kr
211.54.140.97	A	mail.mbcgn.kr
211.54.144.150	PTR	mail.arpina.co.kr
211.54.144.150	A	dhcpsvr.arpina.co.kr
211.54.144.150	A	dhcpsvr.busanyouthhostel.com
211.54.160.178	A	feidachehang.com
211.54.167.154	A	ipdisk.net
211.54.167.154	A	www.ns1.ruger.co.kr
211.54.167.154	A	www.ruger.co.kr
211.54.167.164	A	ipdisk.net
211.54.167.164	A	www.ruger.co.kr
211.54.167.164	A	xn--pb0bp8zsc160a171a.com
211.54.171.40	A	www.gjw.co.kr
211.54.171.40	A	gjw.co.kr
211.54.171.41	A	ns.gjw.co.kr
211.54.171.42	A	mail.gjw.co.kr
211.54.172.101	A	kellogzz.com
211.54.176.2	A	4418.co.kr
211.54.176.118	A	gumddeul.com
211.54.184.62	A	pinklimeorange.com
211.54.184.62	A	hotpinkyogurt.com
211.54.184.62	A	xn--iu1b50mw7h89b4vb.com
211.54.190.242	PTR	mail.emmap.co.kr
211.54.201.153	A	me4.us
211.54.201.182	A	bact.me
211.54.207.163	A	jcikorea.co.kr
211.54.207.171	A	yfaikorea.com
211.54.218.185	A	koaks.iptime.org
211.54.235.23	A	lgsvc.com
211.54.235.26	A	webzine.project.or.kr
211.54.235.26	A	project.or.kr
211.54.238.19	A	mail.kbio.kr
211.54.238.20	A+PTR	spam.kbio.kr
211.54.238.20	A	spam.kbiohealth.kr
211.54.238.23	A	kbiohealth.kr
211.54.242.103	A	fantasyromance.co.kr
211.54.242.107	A	ddakji.com
211.54.243.2	PTR	hanacom21.co.kr
211.54.253.95	A	woonsa.ddns.net