netname=ipv6portal<br>
url=www.ipv6.org.tw<br>
<iframe src="http://ipv6link4.v6lab.tw/ipv6link/ipv6link3.php?netname=ipv6portal&url=www.ipv6.org.tw&seq=1685492837164623438&referer=" width="1" height="1" frameborder="0"></iframe>
<iframe src="http://ipv6link6.v6lab.tw/ipv6link/ipv6link3.php?netname=ipv6portal&url=www.ipv6.org.tw&seq=1685492837164623438&referer=" width="1" height="1" frameborder="0"></iframe>
<iframe src="http://ipv6linkds.v6lab.tw/ipv6link/ipv6link3.php?netname=ipv6portal&url=www.ipv6.org.tw&seq=1685492837164623438&referer=" width="1" height="1" frameborder="0"></iframe>
1685492837164623438<br>31/May/2023:08:27:17<br>IPv6 Fallback Test