Robtex

Up: 210.217.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 210.217.128.0/20
Down right: 210.217.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.217.135.5	A	ns.costcokr.com
210.217.135.80	A	appspot.com--www.citwh.com
210.217.135.80	A	costco.com.tw
210.217.135.110	A+PTR	ironport.costcokr.com
210.217.137.70	A	kmdia.or.kr
210.217.137.70	A	www.kmdia.or.kr
210.217.139.100	A	mail.iilc.co.kr
210.217.139.100	A	iilc.co.kr
210.217.139.100	A	www.iilc.co.kr
210.217.149.130	A	jikguro.net
210.217.149.130	A	mail.hfor.net
210.217.149.130	A	gcshub.net
210.217.149.190	A	hvm.kr
210.217.150.153	A	skyex.co.kr
210.217.154.18	A	boan1st.com