Robtex

Up: 66.232.144.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.232.144.0/25
Down right: 66.232.144.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.232.144.0	A	kunjang.ac.kr
66.232.144.31	A	mail.poex.co.kr
66.232.144.31	A	poex.co.kr
66.232.144.33	A	mail.eldorado29.com
66.232.144.33	A	mx.eldorado29.com
66.232.144.38	A	mssp.co.kr
66.232.144.40	A	cloudx.co.kr
66.232.144.41	A	exdev.synct.co.kr
66.232.144.48	A+PTR	exch01.mssp.co.kr
66.232.144.48	A	mail.mssp.co.kr
66.232.144.49	A	mail.synclive.co.kr
66.232.144.56	A	teamx.co.kr
66.232.144.72	PTR	kiskorea.com
66.232.144.73	A	mail.healingavatar.com
66.232.144.73	A	healingavatar.com
66.232.144.73	A	fnikorea.com
66.232.144.104	PTR	babytable.com
66.232.144.110	A	smtp.jenet.co.kr
66.232.144.115	A	www.happyq.co.kr
66.232.144.115	A	happyq.co.kr
66.232.144.121	PTR	mail.eduplex.net
66.232.144.123	PTR	tmsoft.co.kr
66.232.144.124	PTR	yangban.co.kr
66.232.144.124	A	mail.xn--eh3b76o.com
66.232.144.124	A	mail.xn--o39aj8uhqgm0e8pfc4av65c.kr
66.232.144.125	A	ns2.yangban.co.kr
66.232.144.126	A	xn--eh3b76o.com
66.232.144.126	A	expo-core.co.kr
66.232.144.126	A	www.xn--o39aj8uhqgm0e8pfc4av65c.kr
66.232.144.138	PTR	smf.teamex.co.kr
66.232.144.138	A	mail.tmex.co.kr
66.232.144.138	A	mail.sinil.biz
66.232.144.140	A	sinil.biz
66.232.144.144	A	tmex.co.kr
66.232.144.146	A	smf.teamex.co.kr
66.232.144.149	A	exfe03.tmex.co.kr
66.232.144.151	A+PTR	syncmail.co.kr
66.232.144.151	A	www.syncmail.co.kr
66.232.144.206	A	sparkcentro.com
66.232.144.211	A+PTR	cloudex.teamex.co.kr
66.232.144.211	A	olympuskorea.net
66.232.144.212	PTR	cloudex.teamex.co.kr
66.232.144.213	PTR	cloudex.teamex.co.kr
66.232.144.219	A	www.teamex.co.kr
66.232.144.219	A	teamex.co.kr