diff --git a/js/embark.js b/js/embark.js
index 0930031b4..2323eb398 100644
--- a/js/embark.js
+++ b/js/embark.js
@@ -408,6 +408,10 @@ EmbarkJS.Names.lookup = function (identifier, callback) {
   return this.currentNameSystems.lookup(identifier, callback);
 };
 
+EmbarkJS.Names.isAvailable = function () {
+  return this.currentNameSystems.isAvailable();
+};
+
 // To Implement
 
 
diff --git a/lib/modules/ens/embarkjs.js b/lib/modules/ens/embarkjs.js
index 4b8a11213..92745952e 100644
--- a/lib/modules/ens/embarkjs.js
+++ b/lib/modules/ens/embarkjs.js
@@ -147,6 +147,15 @@ __embarkENS.registryAddresses = {
   "4": "0xe7410170f87102DF0055eB195163A03B7F2Bff4A"
 };
 
+__embarkENS.registryAddresses = {
+  // Mainnet
+  "1": "0x314159265dd8dbb310642f98f50c066173c1259b",
+  // Ropsten
+  "3": "0x112234455c3a32fd11230c42e7bccd4a84e02010",
+  // Rinkeby
+  "4": "0xe7410170f87102DF0055eB195163A03B7F2Bff4A"
+};
+
 __embarkENS.setProvider = function (config) {
   const self = this;
   const ERROR_MESSAGE = 'ENS is not available in this chain';