diff --git a/slaves/jrb0001 b/slaves/jrb0001
index 1fefc95..278fa82 100644
--- a/slaves/jrb0001
+++ b/slaves/jrb0001
@@ -7,4 +7,8 @@ fd42:5d71:219::6 au-1.j.delegation-servers.dn42
 fd42:5d71:219::7 jp-1.j.delegation-servers.dn42
 fd42:5d71:219::8 sg-1.j.delegation-servers.dn42
 fd42:5d71:219::9 ca-1.j.delegation-servers.dn42
+fd42:5d71:219::a us-2.j.delegation-servers.dn42
+fd42:5d71:219::b us-3.j.delegation-servers.dn42
+fd42:5d71:219::c us-4.j.delegation-servers.dn42
+fd42:5d71:219::d us-5.j.delegation-servers.dn42