User blog comment:JediSpectre117/Council not helping in ME3/@comment-2250460-20110921060626/@comment-1221773-20110922165652

As of 2185, even without the Destiny Ascension, the asari possess 20 total dreadnoughts. The DA may have been the only one of its kind in the Citadel Fleet, but that does not preclude the existence of other such dreadnoughts in fleets belonging to the asari themselves.