Robtex

Up: 219.80.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 219.80.208.0/21
Down right: 219.80.216.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
219.80.213.34	A+PTR	219-80-213-34.static.tfn.net.tw
219.80.213.34	A	mail.eprint168.com
219.80.213.156	A+PTR	219-80-213-156.static.tfn.net.tw
219.80.213.156	A	qz.noip.me
219.80.214.71	PTR	219-80-214-71.static.tfn.net.tw
219.80.214.103	A+PTR	219-80-214-103.static.tfn.net.tw
219.80.214.202	A+PTR	219-80-214-202.static.tfn.net.tw
219.80.215.7	A	219-80-215-7.static.tfn.net.tw
219.80.215.20	A	jytek.idv.tw
219.80.215.25	A+PTR	219-80-215-25.static.tfn.net.tw
219.80.217.58	A+PTR	219-80-217-58.static.tfn.net.tw
219.80.217.76	A+PTR	219-80-217-76.static.tfn.net.tw
219.80.217.76	A	dns1.mace.com.tw
219.80.217.76	A	mace.com.tw
219.80.217.77	PTR	219-80-217-77.static.tfn.net.tw
219.80.217.109	A	219-80-217-109.static.tfn.net.tw