Robtex

Up: 219.87.64.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 219.87.64.128/26
Down right: 219.87.64.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
219.87.64.128	PTR	219-87-64-128.static.tfn.net.tw
219.87.64.133	PTR	219-87-64-133.static.tfn.net.tw
219.87.64.133	A	dns.tekcare.com.tw
219.87.64.134	PTR	mail.epservice.com.tw
219.87.64.134	A	mail.tekcare.com.tw
219.87.64.158	PTR	219-87-64-158.static.tfn.net.tw
219.87.64.159	PTR	219-87-64-159.static.tfn.net.tw
219.87.64.160	PTR	219-87-64-160.static.tfn.net.tw
219.87.64.165	A+PTR	219-87-64-165.static.tfn.net.tw
219.87.64.165	A	sslocsp.twca.com.tw
219.87.64.165	A	evsslocsp.twca.com.tw
219.87.64.171	PTR	219-87-64-171.static.tfn.net.tw
219.87.64.171	A	dns7.twca.com.tw
219.87.64.171	A	dns7.twcafine.com.tw
219.87.64.178	A+PTR	219-87-64-178.static.tfn.net.tw
219.87.64.178	A	www.taica.com.tw
219.87.64.178	A	www.twca.com.tw
219.87.64.183	A+PTR	219-87-64-183.static.tfn.net.tw
219.87.64.183	A	www.twcafine.com.tw
219.87.64.186	A+PTR	219-87-64-186.static.tfn.net.tw
219.87.64.186	A	sslserver.twca.com.tw
219.87.64.186	A	itax.twca.com.tw
219.87.64.191	PTR	219-87-64-191.static.tfn.net.tw
219.87.64.192	PTR	219-87-64-192.static.tfn.net.tw
219.87.64.211	A	mx1.aiqidi.com
219.87.64.213	A+PTR	219-87-64-213.static.tfn.net.tw
219.87.64.213	A	mail.htctpe.com
219.87.64.215	A+PTR	219-87-64-215.static.tfn.net.tw
219.87.64.222	PTR	219-87-64-222.static.tfn.net.tw
219.87.64.227	A	219-87-64-227.static.tfn.net.tw
219.87.64.227	A	ns1.g-spec.com.tw
219.87.64.229	A+PTR	219-87-64-229.static.tfn.net.tw
219.87.64.255	PTR	219-87-64-255.static.tfn.net.tw