Robtex

Up: 221.50.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 221.51.0.0/17
Down right: 221.51.128.0/17

IP	Type	Hostname
221.51.0.2	A+PTR	softbank221051000002.bbtec.net
221.51.3.2	A+PTR	softbank221051003002.bbtec.net
221.51.6.2	A	softbank221051006002.bbtec.net
221.51.10.8	A+PTR	softbank221051010008.bbtec.net
221.51.10.8	A	asakichi.org
221.51.13.2	A	softbank221051013002.bbtec.net
221.51.14.2	A	softbank221051014002.bbtec.net
221.51.18.195	A+PTR	softbank221051018195.bbtec.net
221.51.22.2	A+PTR	softbank221051022002.bbtec.net
221.51.28.2	A+PTR	softbank221051028002.bbtec.net
221.51.28.126	A	softbank221051028126.bbtec.net
221.51.32.2	A	softbank221051032002.bbtec.net
221.51.33.2	A+PTR	softbank221051033002.bbtec.net
221.51.36.2	A	softbank221051036002.bbtec.net
221.51.37.2	A+PTR	softbank221051037002.bbtec.net
221.51.38.2	A+PTR	softbank221051038002.bbtec.net
221.51.39.2	A+PTR	softbank221051039002.bbtec.net
221.51.40.2	A+PTR	softbank221051040002.bbtec.net
221.51.58.180	A	softbank221051058180.bbtec.net
221.51.63.3	A+PTR	softbank221051063003.bbtec.net
221.51.63.9	A	softbank221051063009.bbtec.net
221.51.63.38	A	softbank221051063038.bbtec.net
221.51.63.43	A	softbank221051063043.bbtec.net
221.51.73.104	A+PTR	softbank221051073104.bbtec.net
221.51.126.85	A+PTR	softbank221051126085.bbtec.net
221.51.156.156	A	softbank221051156156.bbtec.net
221.51.161.65	A+PTR	softbank221051161065.bbtec.net
221.51.164.2	A	softbank221051164002.bbtec.net
221.51.174.61	A	softbank221051174061.bbtec.net
221.51.202.49	A	softbank221051202049.bbtec.net
221.51.216.2	A+PTR	softbank221051216002.bbtec.net
221.51.216.4	A	softbank221051216004.bbtec.net
221.51.216.15	A	softbank221051216015.bbtec.net
221.51.216.29	A	softbank221051216029.bbtec.net
221.51.221.202	A+PTR	softbank221051221202.bbtec.net
221.51.251.71	A+PTR	softbank221051251071.bbtec.net