'IXF' was the designation of Allied convoys (together with a numerical suffix) plying the route from Naples and Taranto in Italy to Alexandria and Port Said in Egypt, and as such reciprocals of the 'XIF' series (September 1943/December 1944).
The first convoy of this series was IXF.1 of 24/28 September 1943 from Taranto to Port Said with the 19,118-ton British Arundel Castle, 11,660-ton British Derbyshire, 22,424-ton British Monarch of Bermuda and 14,144-ton Dutch Ruys, and the last was IXF.26 of 14/17 December 1944 from Taranto to Port Said with the 27,000-ton British Capetown Castle and 20,175-ton British Franconia.