Robtex

Up: 216.255.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.255.236.0/23
Down right: 216.255.238.0/23

IP	Type	Hostname
216.255.236.235	A	gbd.jp
216.255.236.235	A	mini4wd.jp
216.255.237.38	A	jobdirect.jp
216.255.237.46	A	ns1.jobdirect.jp
216.255.238.1	A+PTR	d8ffee001.siella.jp
216.255.238.21	PTR	d8ffee021.siella.jp
216.255.238.21	A	usappy.net