The illustration shows a rectangle with 6 segments. Segment 1 is 3 bits. Segment 2 is 13 bits and contains TLA ID. Segment 3 is 8 bits and contains RES. Segment 4 is 24 bits and contains NLA ID. Segment 5 is 16 bits and contains Subnet ID. Segment 6 is 64 bits and contains Interface ID.