Robtex

Up: 210.115.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.115.140.0/23
Down right: 210.115.142.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.115.140.31	PTR	140-31.dongailbo.co.kr
210.115.140.99	PTR	140-99.dongailbo.co.kr
210.115.140.118	PTR	140-118.dongailbo.co.kr
210.115.141.230	A	141-230.dongailbo.co.kr
210.115.142.1	PTR	142-1.dongailbo.co.kr
210.115.142.9	A	news.dongamedia.com
210.115.142.131	A	www.dongamedia.com
210.115.142.155	PTR	142-155.dongailbo.co.kr
210.115.142.155	A	ehr.donga.com
210.115.142.191	PTR	142-191.dongailbo.co.kr
210.115.143.66	PTR	mail.dongamedia.co.kr
210.115.143.66	PTR	adonga.com.143.115.210.in-addr.arpa
210.115.143.66	A	adonga.com
210.115.143.99	PTR	143-99.dongailbo.co.kr