Robtex

Up: 106.106.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 106.106.128.0/23
Down right: 106.106.130.0/23

IP	Type	Hostname
106.106.128.4	PTR	106.106.128.4.adsl.dynamic.seed.net.tw
106.106.128.5	PTR	106.106.128.5.adsl.dynamic.seed.net.tw
106.106.128.9	PTR	106.106.128.9.adsl.dynamic.seed.net.tw
106.106.128.14	PTR	106.106.128.14.adsl.dynamic.seed.net.tw
106.106.128.15	PTR	106.106.128.15.adsl.dynamic.seed.net.tw
106.106.128.31	PTR	106.106.128.31.adsl.dynamic.seed.net.tw
106.106.128.48	PTR	106.106.128.48.adsl.dynamic.seed.net.tw
106.106.128.54	PTR	106.106.128.54.adsl.dynamic.seed.net.tw
106.106.128.57	PTR	106.106.128.57.adsl.dynamic.seed.net.tw
106.106.128.95	PTR	106.106.128.95.adsl.dynamic.seed.net.tw
106.106.128.118	PTR	106.106.128.118.adsl.dynamic.seed.net.tw
106.106.128.121	PTR	106.106.128.121.adsl.dynamic.seed.net.tw
106.106.128.131	PTR	106.106.128.131.adsl.dynamic.seed.net.tw
106.106.128.141	PTR	106.106.128.141.adsl.dynamic.seed.net.tw
106.106.128.151	PTR	106.106.128.151.adsl.dynamic.seed.net.tw
106.106.128.163	PTR	106.106.128.163.adsl.dynamic.seed.net.tw
106.106.128.182	PTR	106.106.128.182.adsl.dynamic.seed.net.tw
106.106.128.209	PTR	106.106.128.209.adsl.dynamic.seed.net.tw
106.106.128.247	PTR	106.106.128.247.adsl.dynamic.seed.net.tw
106.106.128.248	PTR	106.106.128.248.adsl.dynamic.seed.net.tw
106.106.128.253	PTR	106.106.128.253.adsl.dynamic.seed.net.tw