Robtex

Up: 101.1.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 101.1.32.0/23
Down right: 101.1.34.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
101.1.32.12	A	vpn.hec.co.kr
101.1.33.43	A	xd.hec.co.kr
101.1.33.70	A+PTR	psold.hec.co.kr
101.1.33.70	A	ps.hec.co.kr
101.1.33.70	A	qgtl.hec.co.kr
101.1.33.74	A	ps4.hec.co.kr
101.1.33.80	A	ep.hec.co.kr
101.1.33.100	A+PTR	mail.hec.co.kr
101.1.33.100	A	mail.heinglobal.com
101.1.33.102	A	mail2.hec.co.kr
101.1.33.110	A	webmail.hec.co.kr
101.1.33.110	A	webmail2.hec.co.kr
101.1.33.130	A	wf.hec.co.kr
101.1.33.135	A	b2b.hec.co.kr
101.1.33.145	A	drm.hec.co.kr
101.1.33.153	A	recruit.hec.co.kr
101.1.33.162	A	rc.hec.co.kr
101.1.33.170	PTR	www.hec.co.kr
101.1.33.175	A	webzine.hec.co.kr
101.1.33.176	A	audit.hec.co.kr
101.1.33.186	A+PTR	www.autobus.co.kr
101.1.33.186	A+PTR	new.autobus.co.kr
101.1.33.190	A	sso.hec.co.kr
101.1.33.195	A	otpself.hec.co.kr
101.1.33.198	A	www.hillstate-hec.co.kr
101.1.33.199	A	hillstate-hec.co.kr
101.1.33.199	A	hillstate-hec.net
101.1.33.199	A	hillstate-hec.com
101.1.33.200	A+PTR	www.amcotown.co.kr
101.1.33.203	PTR	m2.autobus.co.kr
101.1.33.203	PTR	cp.autobus.co.kr
101.1.33.203	A+PTR	m.mabuk.autobus.co.kr
101.1.33.205	A	apec.hec.co.kr
101.1.33.206	A+PTR	blumonte.amco.co.kr
101.1.33.209	A+PTR	acss.amco.co.kr
101.1.33.211	A	kdgym.hec.co.kr
101.1.33.212	A	www.hec.co.kr
101.1.33.212	A	hec.co.kr
101.1.33.213	A	eng.hec.co.kr
101.1.33.234	A+PTR	sangseng.hec.co.kr
101.1.33.234	A+PTR	epmsvoc.hec.co.kr
101.1.33.234	A	www.cfms.co.kr
101.1.33.240	A	secuhard.hec.co.kr
101.1.34.70	A	maps.hec.co.kr
101.1.34.91	A	topics.hec.co.kr
101.1.34.110	A	edis.hec.co.kr
101.1.34.113	A	hse.hec.co.kr
101.1.34.160	A	hpcm.hec.co.kr
101.1.34.170	A	spmat.hec.co.kr