We peer with all route servers at Internet Exchange Points (IXPs) all the time. However, setting up a private peering session at Internet Exchange Points (IXPs) is welcome as well.
If you wish to establish private peering sessions via a tunnel (GRE, WireGuard, etc.), you can also contact us via e-mail. But, this is selective and we only do under necessary circumstances.
And for your convenience, here is some information about peering: