def neighbors(self, subid, params=None):
        ''' v1/server/neighbors
        GET - account
        Determine what other subscriptions are hosted on the same physical
        host as a given subscription.

        Link: https://www.vultr.com/api/#server_neighbors
        '''
        params = update_params(params, {'SUBID': subid})
        return self.request('/v1/server/neighbors', params, 'GET')