Robtex

Up: 123.204.238.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 123.204.238.0/25
Down right: 123.204.238.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.204.238.6	A+PTR	123-204-238-6.adsl.dynamic.seed.net.tw
123.204.238.14	A+PTR	123-204-238-14.adsl.dynamic.seed.net.tw
123.204.238.39	PTR	123-204-238-39.adsl.dynamic.seed.net.tw
123.204.238.60	A+PTR	123-204-238-60.adsl.dynamic.seed.net.tw
123.204.238.63	A	hc-tech.com.tw
123.204.238.80	A+PTR	123-204-238-80.adsl.dynamic.seed.net.tw
123.204.238.81	A+PTR	123-204-238-81.adsl.dynamic.seed.net.tw
123.204.238.109	PTR	123-204-238-109.adsl.dynamic.seed.net.tw
123.204.238.142	A+PTR	123-204-238-142.adsl.dynamic.seed.net.tw
123.204.238.142	A	www.northtaiwan.com
123.204.238.142	A	www.zjkk.net
123.204.238.145	PTR	123-204-238-145.adsl.dynamic.seed.net.tw
123.204.238.145	A	cleanbuzz.fan-mind.com
123.204.238.145	A	0800818111.com
123.204.238.152	A	chweb.synology.me
123.204.238.152	A	www.chweb.synology.me
123.204.238.184	A+PTR	123-204-238-184.adsl.dynamic.seed.net.tw
123.204.238.191	A+PTR	123-204-238-191.adsl.dynamic.seed.net.tw
123.204.238.206	A+PTR	123-204-238-206.adsl.dynamic.seed.net.tw