Robtex

Up: 106.104.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 106.104.192.0/23
Down right: 106.104.194.0/23

IP	Type	Hostname
106.104.192.0	PTR	106-104-192-0.adsl.static.seed.net.tw
106.104.193.23	A	efn.com.tw
106.104.193.145	A	mes.me
106.104.193.145	A	yum.cc
106.104.194.43	PTR	106-104-194-43.adsl.static.seed.net.tw
106.104.194.43	A	mail.superk.com.tw