Robtex

Up: 211.13.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 211.13.232.0/22
Down right: 211.13.236.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.13.233.146	PTR	211.13.233.146.available
211.13.234.36	A	ox.tk1.idc.jp
211.13.234.206	A	sb02b.postblitz.net
211.13.234.207	A	sb02c.postblitz.net
211.13.234.208	A	sb02d.postblitz.net
211.13.235.100	PTR	211.13.235.100
211.13.235.228	PTR	211.13.235.228
211.13.235.249	PTR	211.13.235.249
211.13.236.40	A	chirashiplus.tv
211.13.236.199	A	padbt.jp
211.13.236.199	A	gungho.jp
211.13.236.209	A	www.ro2.jp
211.13.236.209	A	cache.gungho.jp
211.13.236.209	A	www.ragnarokonline.jp
211.13.236.224	A	www.gungho.co.jp