Robtex

Up: 219.252.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 219.252.0.0/18
Down right: 219.252.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
219.252.0.1	A+PTR	ns.skline.co.kr
219.252.0.1	A	ns.tonetz.com
219.252.0.10	A	dns1.skline.co.kr
219.252.0.11	A+PTR	dns2.skline.co.kr
219.252.1.1	A+PTR	ddns.skline.co.kr
219.252.1.100	A+PTR	ns1.skline.co.kr
219.252.1.100	A	ns1.tonetz.com
219.252.1.105	A	loginpub.skline.co.kr
219.252.1.107	PTR	mail.skline.co.kr
219.252.2.100	A+PTR	ns2.skline.co.kr
219.252.2.100	A	kiflt.re.kr
219.252.2.100	A	ns2.tonetz.com
219.252.2.107	PTR	mail.skline.co.kr
219.252.11.0	PTR	noneptr.skline.co.kr
219.252.24.202	A	plus.hongwon.com
219.252.38.2	PTR	mmnet.mightmain.com
219.252.38.9	A	mmnet.mmcorp.com
219.252.39.0	PTR	noneptr.skline.co.kr
219.252.39.12	A	www.seegenemedical.com
219.252.39.12	A	sgtown.seegenemedical.com
219.252.39.12	A	mf.seegene.com
219.252.39.129	A	sg-ad-2.file.neodin.com
219.252.41.98	PTR	spam2.komipo.co.kr
219.252.41.98	A	mail.komipo.co.kr
219.252.41.100	A	energyworld.co.kr
219.252.41.100	A	www.komipo.co.kr
219.252.41.103	A	ns1.komipo.co.kr
219.252.47.2	A	www.f2telecom.com
219.252.47.2	A	ns.f2telecom.com
219.252.47.2	A	mail.f2telecom.com
219.252.50.0	PTR	noneptr.skline.co.kr
219.252.50.2	A	ns1.cnthoth.com
219.252.50.51	A	smg.cnthoth.com
219.252.53.34	A	roseintra.com
219.252.53.131	A	longtermmanager.com
219.252.53.143	A	bizoneshot.com
219.252.53.149	A	hamonikr.org
219.252.53.149	A	invesume.com
219.252.67.0	PTR	noneptr.skline.co.kr
219.252.78.18	A	www.sktelesys.com
219.252.78.19	A	mail.sktelesys.co.kr
219.252.78.42	A+PTR	mail.sktelesys.com
219.252.78.43	A+PTR	skts-sp.sktelesys.com
219.252.112.64	A	ns2.cafri.co.kr