The only networks I see in my Scatter are:
EOS Mainnet (nodes.get-scatter.com), EOS Mainnet (nodes.get-scatter.com), and ETH mainnet (ethereum.com).

Here is a picture.

I have tried all three, under "Identities", and all three have the same result, EOSportal.io says:
"You dont have any identities that match...", screen shot here: