Luft Feldpost help

[44Stephen-X]

I am looking to identify a feldpost number painted on a gasmask canister. The feldpost # is L22256. I appreciate any help.
Stephen

[hucks216]

22256
(Mobilmachung-1.1.1940) Luftwaffen-Bau-Kompanie 4/XII,
(28.4.1940-14.9.1940) Luftwaffen-Bau-Kompanie 1/2/XII,
(25.9.1940-15.2.1941) 1. Kompanie Luftwaffen-Bau-Bataillon 2/XII,
(6.4.1944-9.11.1944) 15.5.1944 1. Kompanie Luftwaffen-Pionier-Bataillon 7

[44Stephen-X]

Luft FPnr

Hi Hucks,
Thank you for the identification.
Stephen