Robtex

Up: 210.221.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 210.221.192.0/20
Down right: 210.221.208.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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
210.221.219.198	A	mail.passicon.com
210.221.219.201	A	hixtar.net
210.221.221.54	A	mboardstore.com
210.221.221.200	A	besol.co.kr