diff --git a/content/u/projects/open-chat/contents.lr b/content/u/projects/open-chat/contents.lr
index f7b61c5..be72161 100644
--- a/content/u/projects/open-chat/contents.lr
+++ b/content/u/projects/open-chat/contents.lr
@@ -21,6 +21,12 @@ To foster IPv6 deployement, we created [IPv6.chat](../ipv6-chat/),
 which is also reachable via matrix. Follow above instructions and type
 **/join #ipv6:ungleich.ch** instead.
 
+## VIIRB
+
+If you own a [VIIRB](/u/products/viirb-ipv6-box)
+or if you are interested in a VIIRB, **viirb.ungleich.ch** where
+people interested in the VIIRB exchange their ideas.
+
 ## Data Center Light
 
 For discussion and questions about [Data Center