diff --git a/bgpwtf/cccampix/proto/ix.proto b/bgpwtf/cccampix/proto/ix.proto
index 73bc4d1..c938386 100644
--- a/bgpwtf/cccampix/proto/ix.proto
+++ b/bgpwtf/cccampix/proto/ix.proto
@@ -6,6 +6,21 @@
     int64 id = 1;
 }
 
+message PeeringDBMember {
+    int64 asn = 1;
+    // AS/network name.
+    string name = 2;
+
+    message Router {
+        // Per PeeringDB, at least one of the following two address families
+        // will be set.
+        string ipv4 = 1;
+        string ipv6 = 2;
+    }
+    repeated Router routers = 3;
+}
+
+
 message GetIXMembersResponse {
     message Member {
         int64 asn = 1;