Robtex

Up: 211.232.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 211.232.64.0/20
Down right: 211.232.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.232.64.2	PTR	static.211-232-64-2.nexg.net
211.232.64.64	PTR	static.211-232-64-64.nexg.net
211.232.64.67	PTR	static.211-232-64-67.nexg.net
211.232.64.98	PTR	static.211-232-64-98.nexg.net
211.232.64.160	PTR	static.211-232-64-160.nexg.net
211.232.64.160	A	groomteamkorea.com
211.232.64.161	PTR	static.211-232-64-161.nexg.net
211.232.65.11	A	mail.cwma.or.kr
211.232.65.11	A	mail.kcwmf.or.kr
211.232.65.71	A	cid.or.kr
211.232.65.71	A	jobgohrd.or.kr
211.232.65.71	A	www.jobgohrd.or.kr
211.232.65.77	A	www.cwma.or.kr
211.232.67.100	A	gmail.syink.co.kr
211.232.67.101	A	gmail.syink.co.kr
211.232.68.131	A	ns.cxcicapital.com
211.232.69.130	PTR	static.211-232-69-130.nexg.net
211.232.69.130	A	futuretech.co.kr
211.232.69.130	A	mail.futureware.co.kr
211.232.70.35	PTR	static.211-232-70-35.nexg.net
211.232.70.131	PTR	static.211-232-70-131.nexg.net
211.232.70.131	A	ubi-exdns01.ubibase.com
211.232.70.131	A	ubi-extdns.ubibase.com
211.232.70.161	PTR	static.211-232-70-161.nexg.net
211.232.70.161	A	ns1.tomatocap.com
211.232.70.191	A	ubi-extdns.ubibase.com
211.232.70.224	PTR	static.211-232-70-224.nexg.net
211.232.70.248	A	mail.ubibase.com
211.232.71.130	PTR	static.211-232-71-130.nexg.net
211.232.71.150	A	smtp.dukji.co.kr
211.232.72.133	A	mail.e-tops.co.kr
211.232.72.199	A	digitalh-intra.dinejeju.com
211.232.72.199	A	mail.digitalh.net
211.232.72.199	A	mail.dinejeju.com
211.232.73.4	A	music.kicom.net
211.232.73.5	A	mall.kicom.net
211.232.73.83	A	test.kicom.net
211.232.73.228	A	postmaster.corean.net
211.232.73.228	A	*.corean.net
211.232.73.228	A	mail.corean.net
211.232.73.229	A	makeup.net
211.232.73.240	A	postmaster.corean.net
211.232.73.240	A	*.corean.net
211.232.73.240	A	mail.corean.net
211.232.74.11	A	edu.willbes.com
211.232.74.16	A	kocec.org
211.232.74.16	A	willbes.com
211.232.74.16	A	www.willbes.com
211.232.75.2	PTR	static.211-232-75-2.nexg.net
211.232.75.2	A	d250.solutek.co.kr
211.232.75.135	A	kusca.org
211.232.75.162	PTR	static.211-232-75-162.nexg.net
211.232.75.162	A	www.openstart.co.kr
211.232.75.162	A	www.openstart.kr
211.232.76.131	PTR	static.211-232-76-131.nexg.net
211.232.76.131	A	ns.cepian.com
211.232.76.136	A	www.cepian.com
211.232.79.130	PTR	static.211-232-79-130.nexg.net
211.232.80.2	A+PTR	spam.softbank.co.kr
211.232.80.5	A	ns.softbank.co.kr
211.232.80.6	A	ns2.softbank.co.kr
211.232.80.12	A	mail.softbank.co.kr
211.232.85.200	A	mail.hotsms.co.kr
211.232.85.240	A	davidcho.com
211.232.85.240	A	www.davidcho.com
211.232.85.244	A	krinfra.co.kr
211.232.85.244	A	www.krinfra.co.kr
211.232.87.2	PTR	static.211-232-87-2.nexg.net
211.232.88.224	A	mailx.officehard.com
211.232.89.18	A	www.saltbay.co.kr
211.232.89.18	A	saltbay.co.kr
211.232.91.11	A	mail.krtc.co.kr
211.232.92.4	PTR	static.211-232-92-4.nexg.net
211.232.93.2	PTR	gw.timedigital.co.kr
211.232.93.2	A	timedigital.co.kr
211.232.93.7	A	ns.rntime.com
211.232.93.7	A	www.rntime.com
211.232.93.7	A	rntime.com
211.232.95.250	A	mail.anidong.com