Although Koriwasen were dispatched from regions other than Tsushima at the beginning of the Korea kingdom, as the regulation on the traffic progressed and traffic expenses increased such as restriction on the ports for Koriwasen to enter, requirement for Koriwa to bear gyojo, enforcement of bunin system (require all the passenger to bear passage permission issued by the So clan), Koriwasen dispatched from the region other than Tsushima gradually disappeared.
朝鮮王朝建国当初においては対馬以外の地域からも興利倭船が派遣されていたが、入港場の制限・行状所持の義務化・文引制の施行等、通交統制が進み通交経費の増加に伴い、対馬以外の地域から派遣される興利倭船は姿を消すことになる。