diff --git a/lib/address.js b/lib/address.js
index 39cfcd66f..1b3fa95e3 100644
--- a/lib/address.js
+++ b/lib/address.js
@@ -162,24 +162,18 @@ Address._transformObject = function(data) {
  */
 Address._classifyFromVersion = function(buffer) {
   var version = {};
-  version.network = Networks.get(buffer[0]);
-  switch (buffer[0]) { // the version byte
-    case Networks.livenet.pubkeyhash:
-      version.type = Address.PayToPublicKeyHash;
-      break;
 
-    case Networks.livenet.scripthash:
-      version.type = Address.PayToScriptHash;
-      break;
+  var pubkeyhashNetwork = Networks.get(buffer[0], 'pubkeyhash');
+  var scripthashNetwork = Networks.get(buffer[0], 'scripthash');
 
-    case Networks.testnet.pubkeyhash:
-      version.type = Address.PayToPublicKeyHash;
-      break;
-
-    case Networks.testnet.scripthash:
-      version.type = Address.PayToScriptHash;
-      break;
+  if (pubkeyhashNetwork) {
+    version.network = pubkeyhashNetwork;
+    version.type = Address.PayToPublicKeyHash;
+  } else if (scripthashNetwork) {
+    version.network = scripthashNetwork;
+    version.type = Address.PayToScriptHash;
   }
+
   return version;
 };
 
diff --git a/lib/networks.js b/lib/networks.js
index 96e6176f2..da90f2772 100644
--- a/lib/networks.js
+++ b/lib/networks.js
@@ -86,6 +86,25 @@ function addNetwork(data) {
 
 }
 
+/**
+ * @function
+ * @member Networks#remove
+ * Will remove a custom network
+ * @param {Network} network
+ */
+function removeNetwork(network) {
+  for (var i = 0; i < networks.length; i++) {
+    if (networks[i] === network) {
+      networks.splice(i, 1);
+    }
+  }
+  for (var key in networkMaps) {
+    if (networkMaps[key] === network) {
+      delete networkMaps[key];
+    }
+  }
+}
+
 addNetwork({
   name: 'livenet',
   alias: 'mainnet',
@@ -141,6 +160,7 @@ var testnet = getNetwork('testnet');
  */
 module.exports = {
   add: addNetwork,
+  remove: removeNetwork,
   defaultNetwork: livenet,
   livenet: livenet,
   mainnet: livenet,
diff --git a/test/address.js b/test/address.js
index b971e5f79..f611afb11 100644
--- a/test/address.js
+++ b/test/address.js
@@ -326,6 +326,12 @@ describe('Address', function() {
       address.toString().should.equal('19gH5uhqY6DKrtkU66PsZPUZdzTd11Y7ke');
     });
 
+    it('should use the default network for pubkey', function() {
+      var pubkey = new PublicKey('0285e9737a74c30a873f74df05124f2aa6f53042c2fc0a130d6cbd7d16b944b004');
+      var address = Address.fromPublicKey(pubkey);
+      address.network.should.equal(Networks.defaultNetwork);
+    });
+
     it('should make this address from an uncompressed pubkey', function() {
       var pubkey = new PublicKey('0485e9737a74c30a873f74df05124f2aa6f53042c2fc0a130d6cbd7d16b944b00' +
         '4833fef26c8be4c4823754869ff4e46755b85d851077771c220e2610496a29d98');
@@ -335,6 +341,26 @@ describe('Address', function() {
       b.toString().should.equal('16JXnhxjJUhxfyx4y6H4sFcxrgt8kQ8ewX');
     });
 
+    it('should classify from a custom network', function() {
+      var custom = {
+        name: 'customnetwork',
+        pubkeyhash: 0x1c,
+        privatekey: 0x1e,
+        scripthash: 0x28,
+        xpubkey: 0x02e8de8f,
+        xprivkey: 0x02e8da54,
+        networkMagic: 0x0c110907,
+        port: 7333
+      };
+      var addressString = 'CX4WePxBwq1Y6u7VyMJfmmitE7GiTgC9aE';
+      Networks.add(custom);
+      var network = Networks.get('customnetwork');
+      var address = Address.fromString(addressString);
+      address.type.should.equal(Address.PayToPublicKeyHash);
+      address.network.should.equal(network);
+      Networks.remove(network);
+    });
+
     describe('from a script', function() {
       it('should fail to build address from a non p2sh,p2pkh script', function() {
         var s = new Script('OP_CHECKMULTISIG');
@@ -482,6 +508,15 @@ describe('Address', function() {
     expect(new Address(address.toObject()).toString()).to.equal(P2SHLivenet[0]);
   });
 
+  it('will use the default network for an object', function() {
+    var obj = {
+      hash: '19a7d869032368fd1f1e26e5e73a4ad0e474960e',
+      type: 'scripthash'
+    };
+    var address = new Address(obj);
+    address.network.should.equal(Networks.defaultNetwork);
+  });
+
   describe('creating a P2SH address from public keys', function() {
 
     var public1 = '02da5798ed0c055e31339eb9b5cef0d3c0ccdec84a62e2e255eb5c006d4f3e7f5b';
diff --git a/test/networks.js b/test/networks.js
index d019479ba..9e2d7dd05 100644
--- a/test/networks.js
+++ b/test/networks.js
@@ -7,6 +7,8 @@ var networks = bitcore.Networks;
 
 describe('Networks', function() {
 
+  var customnet;
+
   it('should contain all Networks', function() {
     should.exist(networks.livenet);
     should.exist(networks.testnet);
@@ -30,7 +32,7 @@ describe('Networks', function() {
       ]
     };
     networks.add(custom);
-    var customnet = networks.get('customnet');
+    customnet = networks.get('customnet');
     for (var key in custom) {
       if (key !== 'networkMagic') {
         customnet[key].should.equal(custom[key]);
@@ -40,6 +42,12 @@ describe('Networks', function() {
       }
     }
   });
+
+  it('can remove a custom network', function() {
+    networks.remove(customnet);
+    var net = networks.get('customnet');
+    should.equal(net, undefined);
+  });
   
   it('should not set a network map for an undefined value', function() {
     var custom = {
@@ -58,6 +66,7 @@ describe('Networks', function() {
     networks.add(custom);
     var network = networks.get(undefined);
     should.not.exist(network);
+    networks.remove(custom);
   });
 
   var constants = ['name', 'alias', 'pubkeyhash', 'scripthash', 'xpubkey', 'xprivkey'];