Robtex

Up: 106.105.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 106.105.192.0/23
Down right: 106.105.194.0/23

IP	Type	Hostname
106.105.192.0	PTR	106.105.192.0.adsl.dynamic.seed.net.tw
106.105.192.43	PTR	106.105.192.43.adsl.dynamic.seed.net.tw
106.105.192.60	PTR	106.105.192.60.adsl.dynamic.seed.net.tw
106.105.192.164	PTR	106.105.192.164.adsl.dynamic.seed.net.tw
106.105.192.183	PTR	106.105.192.183.adsl.dynamic.seed.net.tw
106.105.192.201	PTR	106.105.192.201.adsl.dynamic.seed.net.tw
106.105.192.235	PTR	106.105.192.235.adsl.dynamic.seed.net.tw
106.105.193.12	PTR	106.105.193.12.adsl.dynamic.seed.net.tw
106.105.193.65	PTR	106.105.193.65.adsl.dynamic.seed.net.tw
106.105.193.78	PTR	106.105.193.78.adsl.dynamic.seed.net.tw
106.105.193.251	PTR	106.105.193.251.adsl.dynamic.seed.net.tw
106.105.195.134	PTR	106.105.195.134.adsl.dynamic.seed.net.tw
106.105.195.205	PTR	106.105.195.205.adsl.dynamic.seed.net.tw