Data item transfer between mobile devices

Data item transfer between mobile devices is provided. Network association and proximity of a plurality of mobile devices of a requested data item by a requesting mobile device are determined using a shared ledger of mobile device inventory data, mobile device network connection data, and mobile device geolocation data. A target mobile device that contains the requested data item, is connected to a same local network as the requesting mobile device, and is geographically located proximate with a threshold to the requesting mobile device is identified based on the determined network association and proximity of the plurality of mobile devices and data in the shared ledger. A transfer of the requested data item from the target mobile device to the requesting mobile device is initiated via the same local network based on mobile device management policies.