Robtex

Up: 61.66.230.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 61.66.231.0/25
Down right: 61.66.231.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.66.231.1	PTR	skype.pchome.com.tw
61.66.231.9	PTR	not-in-used.pchome.com.tw
61.66.231.10	PTR	not-in-used.pchome.com.tw
61.66.231.16	A+PTR	skypemail04.pchome.com.tw
61.66.231.16	A	mail.pchomeskype.com.tw
61.66.231.16	A	mail.sk.ype.tw
61.66.231.17	A+PTR	skypemail05.pchome.com.tw
61.66.231.20	A+PTR	mail.pchometalk.com
61.66.231.20	A	mail.pchomesky.com
61.66.231.37	PTR	not-in-used.pchome.com.tw
61.66.231.40	PTR	not-in-used.pchome.com.tw
61.66.231.40	A	mail.pchomesky.com
61.66.231.41	A	lingvist.com.tw
61.66.231.41	A	www.lingvist.com.tw
61.66.231.42	PTR	not-in-used.pchome.com.tw
61.66.231.42	A	mail.thaiskype.com
61.66.231.42	A	mail.thailandskype.com
61.66.231.44	A	lingvist.com.hk
61.66.231.44	A	www.lingvist.com.hk
61.66.231.49	PTR	not-in-used.pchome.com.tw
61.66.231.50	PTR	not-in-used.pchome.com.tw
61.66.231.50	A	mail.lingvist.com.tw
61.66.231.50	A	mail.lingvist.com.hk
61.66.231.56	PTR	not-in-used.pchome.com.tw
61.66.231.59	PTR	not-in-used.pchome.com.tw
61.66.231.63	PTR	not-in-used.pchome.com.tw
61.66.231.65	PTR	not-in-used.pchome.com.tw
61.66.231.67	PTR	not-in-used.pchome.com.tw
61.66.231.69	PTR	not-in-used.pchome.com.tw
61.66.231.71	PTR	not-in-used.pchome.com.tw
61.66.231.72	PTR	not-in-used.pchome.com.tw
61.66.231.96	PTR	not-in-used.pchome.com.tw
61.66.231.98	PTR	not-in-used.pchome.com.tw
61.66.231.116	PTR	not-in-used.pchome.com.tw
61.66.231.124	PTR	not-in-used.pchome.com.tw
61.66.231.132	PTR	not-in-used.pchome.com.tw
61.66.231.162	PTR	not-in-used.pchome.com.tw
61.66.231.164	PTR	not-in-used.pchome.com.tw
61.66.231.174	PTR	not-in-used.pchome.com.tw
61.66.231.175	PTR	not-in-used.pchome.com.tw
61.66.231.182	PTR	not-in-used.pchome.com.tw
61.66.231.185	PTR	not-in-used.pchome.com.tw
61.66.231.203	PTR	not-in-used.pchome.com.tw
61.66.231.211	PTR	not-in-used.pchome.com.tw
61.66.231.213	PTR	not-in-used.pchome.com.tw
61.66.231.228	A+PTR	skypemail.pchome.com.tw
61.66.231.232	PTR	not-in-used.pchome.com.tw
61.66.231.238	PTR	skypemom.pchome.com.tw
61.66.231.238	A	skypemom.pchometalk.com
61.66.231.238	A	skypemom.liiho.com
61.66.231.240	PTR	not-in-used.pchome.com.tw
61.66.231.241	PTR	not-in-used.pchome.com.tw
61.66.231.241	A	skydns.lingvist.com.hk
61.66.231.241	A	skydns.pchomesea.com