root@OpenWrt:~# ping6 towel.blinkenlights.nl
PING towel.blinkenlights.nl (2001:980:ffe:1::42): 56 data bytes

--- towel.blinkenlights.nl ping statistics ---
3 packets transmitted, 0 packets received, 100% packet loss
root@OpenWrt:~# ping6 www.google.com.sixxs.org
PING nlams01.ipv6.sixxs.net (2001:838:2:1:2a0:24ff:feab:3b53): 56 data bytes

--- nlams01.ipv6.sixxs.net ping statistics ---
2 packets transmitted, 0 packets received, 100% packet loss
root@OpenWrt:~# ping6 newszilla6.xs4all.nl
PING newszilla6.xs4all.nl (2001:888::119): 56 data bytes

--- newszilla6.xs4all.nl ping statistics ---
2 packets transmitted, 0 packets received, 100% packet loss