According to the Assyrian King List, he was the son and successor of Ashur-nirari I and ruled for 24 years (or 14 years, according to another copy). He is also the first Assyrian king to appear in the synchronistic history, where he is described as a contemporary of Burnaburiash of Babylon.
This individual is recorded by the Assyrian King List as the son and successor of Ashur-nirari I, with a reign duration of either 24 or 14 years. He also marks the beginning of Assyrian kings being mentioned within a synchronistic historical context alongside Burnaburiash of Babylon.