Robtex

Up: 210.220.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 210.221.0.0/17
Down right: 210.221.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.221.2.122	A	proxy.kyungnam.thrunet.com
210.221.55.13	A	network.thrunet.com
210.221.55.42	A	01445.thrunet.com
210.221.55.73	A	myhome.thrunet.com
210.221.55.74	A	myhome.thrunet.com
210.221.57.41	A	ns2.kbcard.com
210.221.57.50	A	ns2.gslb.kbcard.com
210.221.61.34	A	ns01.is-book.com
210.221.73.148	A	spam.lx.or.kr
210.221.73.150	A+PTR	mail.kcsc.co.kr
210.221.73.150	PTR	mail.lx.or.kr
210.221.73.154	A	mail.lx.or.kr
210.221.73.155	A	www.lx.or.kr
210.221.90.151	A	www.hwangkum.com
210.221.90.152	A	goodsteel.net
210.221.90.153	A	interconstech.com
210.221.90.153	A	ict99.com
210.221.113.131	A	shopruouta.com
210.221.125.1	A	ns1.hyundai-life.co.kr
210.221.125.1	A	ns1.hyundailife.com
210.221.125.2	A	ns2.hyundai-life.co.kr
210.221.125.2	A	ns2.hyundailife.com
210.221.125.4	PTR	mail.hyundailife.com
210.221.125.4	PTR	mail.hyundai-life.co.kr
210.221.130.0	PTR	noneptr.skline.co.kr
210.221.131.130	A	sniper.panstarline.com
210.221.131.131	PTR	mail.panstar.co.kr
210.221.131.132	A	han21.com
210.221.131.132	A	mail.han21.com
210.221.131.132	A	sanstar.co.jp
210.221.131.194	PTR	plus.hongwon.com
210.221.134.141	A	ns1.sparemap.com
210.221.134.141	A	sparemap.com
210.221.134.141	A	www.smepc.co.kr
210.221.135.0	PTR	noneptr.skline.co.kr
210.221.149.134	A	mailsrv.shimadzu.co.kr
210.221.154.72	A	mail.taegu.co.kr
210.221.154.72	A	mail.ohmycampus.com
210.221.154.122	A	mail.kumhomusul.com
210.221.154.122	A	mail.hsd.pe.kr
210.221.154.136	PTR	mail.b2bgate.co.kr
210.221.196.45	PTR	ipc119.com
210.221.196.45	A+PTR	pc119.com
210.221.196.45	A+PTR	admin.ipc119.com
210.221.196.54	PTR	mail.pc119.com
210.221.196.54	PTR	mail.hpccc.co.kr
210.221.196.54	PTR	mail.wepeed.co.kr
210.221.200.105	A	mail3.xce.co.kr
210.221.212.32	A	mozart.infobank.net
210.221.214.184	A	icomsoft.co.kr
210.221.214.189	A	icomsoft.co.kr
210.221.214.190	A	icomsoft.co.kr
210.221.219.10	A	mail.pactasys.com
210.221.219.10	A	www.pactasys.com
210.221.219.11	A	mail.pactasys.com
210.221.219.195	A	passicon.com
210.221.219.195	A	ns1.passicon.com
210.221.221.54	A	mboardstore.com
210.221.221.200	A	besol.co.kr
210.221.237.209	A	buyclaim.com
210.221.237.222	A	k-astro.com
210.221.237.224	A	iobus.com
210.221.237.224	A	www.iobus.com