Robtex

Up: 211.232.8.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 211.232.8.0/25
Down right: 211.232.8.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.232.8.66	PTR	static.211-232-8-66.nexg.net
211.232.8.113	PTR	static.211-232-8-113.nexg.net
211.232.8.126	PTR	static.211-232-8-126.nexg.net
211.232.8.131	PTR	static.211-232-8-131.nexg.net
211.232.8.131	A	arpeggio-mms.co.kr
211.232.8.131	A	mail.arpeggios.co.kr
211.232.8.139	PTR	static.211-232-8-139.nexg.net
211.232.8.139	A	gw.arpeggios.co.kr
211.232.8.159	PTR	static.211-232-8-159.nexg.net
211.232.8.186	PTR	static.211-232-8-186.nexg.net
211.232.8.195	PTR	static.211-232-8-195.nexg.net
211.232.8.229	PTR	static.211-232-8-229.nexg.net
211.232.8.248	PTR	static.211-232-8-248.nexg.net