leftypol_lainchan/templates/post/poster_id.html

{% if config.poster_ids %}
	{% if post.thread %}
		 <span class="poster_id">{{ post.ip|poster_id(post.thread) }}</span>
	{% else %}
		 <span class="poster_id">{{ post.ip|poster_id(post.id) }}</span>
	{% endif %}
{% endif %}