Robtex

Up: 221.169.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 221.169.160.0/21
Down right: 221.169.168.0/21

IP	Type	Hostname
221.169.167.11	PTR	221-169-167-11.static.seed.net.tw
221.169.168.2	PTR	sw169-168-2.static.seed.net.tw
221.169.168.3	PTR	sw169-168-3.static.seed.net.tw
221.169.168.51	PTR	sw169-168-51.static.seed.net.tw
221.169.168.65	PTR	sw169-168-65.static.seed.net.tw
221.169.168.66	PTR	sw169-168-66.static.seed.net.tw
221.169.168.67	PTR	sw169-168-67.static.seed.net.tw
221.169.168.129	PTR	sw169-168-129.static.seed.net.tw
221.169.168.130	PTR	sw169-168-130.static.seed.net.tw
221.169.168.144	PTR	sw169-168-144.static.seed.net.tw
221.169.168.242	PTR	sw169-168-242.static.seed.net.tw
221.169.169.140	A	dns.fun4u.tw
221.169.169.149	PTR	sw169-169-149.static.seed.net.tw
221.169.175.81	PTR	sw169-175-81.static.seed.net.tw