Based on current information, Iran lobbed a dozen or so conventional warhead ballistic missiles at the Iraqi desert and hit their target. They certainly had targeting information sufficient to drop their missiles within the perimeter of the Al Asad Air Base. But they apparently did not. The missiles used were likely the older Shahab A, based on the North Korean Nodong missile. (I expect that “no dong” means something different in North Korea than it does in the USA)
Iran likes to walk right up to the line.