The WIDE 6bone (1)

One of the oldest and largest IPv6 backbones in the world
Since June 9th, 1996
Operated by the WIDE project
28 routers in the backbone

Native IPv6 links
ATM, serial, ethernet
Only a few (1 or 2?) tunnels in the backbone, and they will soon vanish.

6bone address: 3ffe:0501::/32
64 leaf sites via 16 POPs (point of presences)

sTLA address: 2001:0200:0100::/40
10 NLA2 sites via 5 POPs