diff --git a/data/companies.yml b/data/companies.yml
index 99ddcad..9eeeb6a 100644
--- a/data/companies.yml
+++ b/data/companies.yml
@@ -36,6 +36,7 @@ ddfr:
   site: https://ddfr.nl
 exonet:
   name: Exonet B.V.
+  asn: 216048
   site: https://exonet.nl
 speedix:
   name: Speed-IX