[1] He succeeded his father, Aššur-nāṣir-apli I and ruled for 12 years according to the Assyrian Kingliest and confirmed by a heavily damaged fragment of an eponym list (pictured).
The twelfth entry ša ar[ki si...] indicates that the limmu "which is after" (the previous name) either suggesting that the original from which this list was copied was defective in this place or the gap in the office coincides with a period of turbulence.
[2] In the Synchronistic Kingliest[i 4] he is listed beside his Babylonian counterpart, Eulmash-shakin-shumi (1004–988 BC) of the Bῑt-Bazi dynasty, an unlikely pairing reflecting perhaps the isolation of the two kingdoms at the time.
It relates "I repossessed the cities of Sinabu (and) Tidu—fortresses which Salmānu-ašarēd, king of Assyria, a prince who preceded me, had garrisoned against the land of Nairi (and) which the Arameans had captured by force.
[4] Of those that can be reliably attributed, a monumental stele (number 14) from Aššur, from the Stelenreihe, "row of stelae," provides his genealogy thus permitting identification but nothing else.