Actually owned? That is exactly what is in dispute. Israel's view is it's all theirs. Precisely - it's in dispute, which does NOT, repeat NOT fall within the U.N. resolution (not that the U.N. ever had much credibility)
And by the way....what the hell were countries like Jordan doing with it prior to 1967? proving once again that the most important things are often those which you (the royal 'you') don't actually have.