Having some problems,  my address is not appearing on the block chain explorer?

Sumoo3YYVncPV2T9kqZZMZWk8keXzvMaG8Vn1mtHBHTmA4Tz48u1SFy9MM26AFA28kWgnbJPqdDmV5r UhNT2HyRYh9TZCV8WZVb

Any ideas?

Edit: Actually I cant get any sumo address to show in the block explorer, including the dev wallets. Do i have to have the blockchain synced on the computer I am using to view?