diff --git a/data/mntner/IXNET-MNT b/data/mntner/IXNET-MNT
index 3406b71bc..6936a5df0 100644
--- a/data/mntner/IXNET-MNT
+++ b/data/mntner/IXNET-MNT
@@ -5,3 +5,4 @@ admin-c:            HOWARD-DN42
 tech-c:             HOWARD-DN42
 mnt-by:             IXNET-MNT
 source:             DN42
+auth:               pgp-fingerprint 8456A94C78A9FE2C33C171B25FF4A4159F8956AD
\ No newline at end of file