# Deprecated networks The following networks have been deprecated: ## Nerpanet The Nerpa test network, often called *Nerpanet*, was designed with tiny sector sizes. This network was for application developers to test the very basic functionality of their applications before moving over to the calibration test network. It was deprecated on 2021-08-16. ## Spacenet The Spacenet test network was created for the Interplanetary Consensus (IPC) project. This network was deprecated on 2023-09-11. ## Wallaby The Wallaby test network, often just called *Wallaby*, was designed for internal Filecoin developers to test new features before rolling them out to the Hyperspace testnet, and then onto Mainnet. Wallaby was designed to be reset every week. It was deprecated on 2023-02-07. [Was this page helpful?](https://airtable.com/apppq4inOe4gmSSlk/pagoZHC2i1iqgphgl/form?prefill_Page+URL=https://docs.filecoin.io/networks/deprecated-networks) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.filecoin.io/networks/deprecated-networks.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.