SPINEL_PROP_THREAD_OFF_MESH_ROUTES value

Off-mesh routes Format: [A(t(6CbCbb))] Data per item is: `6`: Route Prefix `C`: Prefix length in bits `b`: Stable flag `C`: Route flags (SPINEL_ROUTE_FLAG_* and SPINEL_ROUTE_PREFERENCE_* definitions) `b`: "Is defined locally" flag. Set if this route info was locally defined as part of local network data. Assumed to be true for set, insert and replace. Clear if the route is part of partition's network data. `b`: "Next hop is this device" flag. Set if the next hop for the route is this device itself (i.e., route was added by this device) This value is ignored when adding an external route. For any added route the next hop is this device. `S`: The RLOC16 of the device that registered this route entry. This value is not used and ignored when adding a route.