Robtex

Up: 211.232.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 211.232.160.0/20
Down right: 211.232.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.232.160.131	PTR	static.211-232-160-131.nexg.net
211.232.162.3	PTR	static.211-232-162-3.nexg.net
211.232.162.3	A	mail.xtraclass.com
211.232.162.3	A	mail.xtraclass.co.kr
211.232.164.66	PTR	static.211-232-164-66.nexg.net
211.232.164.227	PTR	static.211-232-164-227.nexg.net
211.232.166.66	PTR	static.211-232-166-66.nexg.net
211.232.166.66	A	mail.ybd.co.kr
211.232.166.250	A	newmail.metarights.com
211.232.166.250	A	local.metarights.com
211.232.167.3	PTR	static.211-232-167-3.nexg.net
211.232.168.254	A	gw.jpf.or.kr
211.232.170.2	PTR	static.211-232-170-2.nexg.net
211.232.170.2	A	www.bksems.com
211.232.170.2	A	bksems.com
211.232.170.10	A	mail.raycop.biz
211.232.170.10	A	mail.bksems.com
211.232.170.142	A	demo.appinsightor.com
211.232.171.125	A	nethelper.co.kr
211.232.173.226	PTR	static.211-232-173-226.nexg.net
211.232.174.2	PTR	static.211-232-174-2.nexg.net
211.232.175.138	A	*.joynews24.net
211.232.175.150	A	mail.ccmz.net
211.232.175.150	A	mail.and.kr
211.232.176.2	PTR	static.211-232-176-2.nexg.net
211.232.176.2	A	ns.irit.co.kr
211.232.176.2	A	irit.co.kr
211.232.176.3	PTR	static.211-232-176-3.nexg.net
211.232.176.3	A	ns2.irit.co.kr
211.232.176.4	A	www.aclkorea.co.kr
211.232.177.3	A	jeyung.com
211.232.177.36	A	ct.svteck.co.kr
211.232.177.49	A	www.svteck.co.kr
211.232.177.60	A	iamartin.com
211.232.181.249	A	iehyun.com
211.232.181.250	A	iehyun-apparel.com
211.232.182.1	PTR	static.211-232-182-1.nexg.net
211.232.182.2	PTR	static.211-232-182-2.nexg.net
211.232.182.2	A	www.hansolnexg.com
211.232.182.2	A	nexg.net
211.232.182.10	A	mail3.nexg.net
211.232.182.43	A	gkdus.nexg.net
211.232.183.1	PTR	static.211-232-183-1.nexg.net
211.232.183.4	PTR	mail.royaldnl.com
211.232.183.195	PTR	static.211-232-183-195.nexg.net
211.232.183.195	A	ns.hwasungexpress.com
211.232.183.195	A	netus.co.kr
211.232.184.37	A	okits.com
211.232.184.37	A	okits.net
211.232.186.112	A	gw.dcsc.co.kr
211.232.189.244	A	ddspam.dongdeuk.co.kr
211.232.189.245	A	webmirage.net
211.232.189.245	A	duzon.webmirage.net
211.232.189.247	A	dongdeuk.co.kr
211.232.190.1	A+PTR	ns5.nexg.net
211.232.190.2	A+PTR	ns1.nexg.net
211.232.191.1	A+PTR	ns6.nexg.net
211.232.191.2	A+PTR	ns2.nexg.net
211.232.191.2	A	dc1.nexg.net
211.232.191.3	A+PTR	smtp.nexg.net