Matthew Poole and continuators on Numbers 21:30

30 We have shot at them : Heshbon is perished, even unto Dibon , and we have laid them wast even unto Nophah, which reached unto Medebah .

Though you feeble Moabites, and your God too, could not resist Sihon, we, Israelites by the help of our God have shot, to wit, with success and victory, as the following words shew, at them, to wit, at Sihon and his Amorites, which is easily and plainly understood both from the foregoing and following words.

Heshbon the Royal City of Sihon and by him lately repaired, is perished, is taken away from Sihon, and so is all his Territory or Countrey even as far as Dibon, which, as some think, is called Dibon-gad, Numb. 33. 45.

(i. e.) Whose Territory extendeth to Medeba. Or, yea, even to Medeba: for the Hebrew word asher, is sometimes used for yea, or moreover, as 1 Sam. 15. 20. Psal. 10. 6. and 95. 11. The sense is the whole Country of Sihon, taken by him from the Moabites, is wasted and perished.