When the word “Asian” is used colloquially (in the U.S. at least) without qualification to refer to a group of people, it almost always means either East Asian

When the word “Asian” is used colloquially (in the U.S. at least) without qualification to refer to a group of people, it almost always means either East Asian in the narrower sense, or East+South+Southeast Asian in the broader sense. Don’t think West Asians are ever included without clarification.