Abstract: Impact absorbing net for attenuation of impact energy, having continuous ring groups 10a, 10b, 10c . . . of the ropes 20 with the ring clamps 30 provided to hold the ropes 20. The continuous ring groups 10a, 10b, 10c . . . , are each composed of the rings 20a, 20b, 20c in which the rings 20a, 20a . . . (20b, 20b . . . , or 20c, 20c . . . ) are made by one rope. The ropes 20a, 20b, 20c engage each other. Each of the rings 20a, 20b, 20c, has at least one ring clamp 30.