[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [scan](./bitburner.ns.scan.md) ## NS.scan() method Get the list servers connected to a server. Signature: ```typescript scan(host: string, hostnames?: boolean): string[]; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | host | string | Hostname of the server to scan. | | hostnames | boolean | Optional boolean specifying whether the function should output hostnames (if true) or IP addresses (if false). | Returns: string\[\] Returns an string of hostnames or IP. ## Remarks RAM cost: 0.2 GB Returns an array containing the hostnames or IPs of all servers that are one node way from the specified target server. The hostnames/IPs in the returned array are strings.