## Reserved Network IDs `NetworkID` (or `ChainID`) is a mechanism to separate networks(or chains) owned by different organizations. **Tangerine foundation** reserves these networkIDs: - **373**: mainnet - **374**: testnet - **375, 376**: private testnet during development. ### Reference - [NetworkID SLIP](https://github.com/satoshilabs/slips/blob/master/slip-0044.md)