diff --git a/lib/address.js b/lib/address.js
index b017bc7f4..d37dee42c 100644
--- a/lib/address.js
+++ b/lib/address.js
@@ -154,6 +154,8 @@ Address._transformObject = function(data) {
 
 /**
  * Internal function to discover the network and type based on the first data byte
+ * If two or more networks match the criteria, a list of networks is returned.
+ * If one network is found, that one single network is returned (not wrapped in a list).
  *
  * @param {Buffer} buffer - An instance of a hex encoded address Buffer
  * @returns {Object} An object with keys: network and type
@@ -162,14 +164,24 @@ Address._transformObject = function(data) {
 Address._classifyFromVersion = function(buffer) {
   var version = {};
 
-  var pubkeyhashNetwork = Networks.get(buffer[0], 'pubkeyhash');
-  var scripthashNetwork = Networks.get(buffer[0], 'scripthash');
+  var pubkeyhashNetworks = Networks.get(buffer[0], 'pubkeyhash');
+  var scripthashNetworks = Networks.get(buffer[0], 'scripthash');
 
-  if (pubkeyhashNetwork) {
-    version.network = pubkeyhashNetwork;
+  if (pubkeyhashNetworks && pubkeyhashNetworks.name) {
+    version.network = pubkeyhashNetworks;
     version.type = Address.PayToPublicKeyHash;
-  } else if (scripthashNetwork) {
-    version.network = scripthashNetwork;
+    return version
+} else if (scripthashNetworks && scripthashNetworks.name) {
+    version.network = scripthashNetworks;
+    version.type = Address.PayToScriptHash;
+    return version
+  }
+
+  if (pubkeyhashNetworks.length > 1) {
+    version.networks = pubkeyhashNetworks;
+    version.type = Address.PayToPublicKeyHash;
+} else if (scripthashNetworks.length > 1) {
+    version.networks = scripthashNetworks;
     version.type = Address.PayToScriptHash;
   }
 
@@ -198,7 +210,11 @@ Address._transformBuffer = function(buffer, network, type) {
   network = Networks.get(network);
   var bufferVersion = Address._classifyFromVersion(buffer);
 
-  if (!bufferVersion.network || (network && network !== bufferVersion.network)) {
+  if (bufferVersion.networks && (network && !_.find(bufferVersion.networks, network))) {
+    throw new TypeError('Address has mismatched network type.');
+  }
+
+  if (bufferVersion.network && (network && bufferVersion.network != network)) {
     throw new TypeError('Address has mismatched network type.');
   }
 
diff --git a/lib/networks.js b/lib/networks.js
index 3a9381c5d..f59ca2d40 100644
--- a/lib/networks.js
+++ b/lib/networks.js
@@ -37,12 +37,19 @@ function get(arg, keys) {
     var containsArg = function(key) {
       return networks[index][key] === arg;
     };
+    var matched_networks = [];
     for (var index in networks) {
       if (_.any(keys, containsArg)) {
-        return networks[index];
+        matched_networks.push(networks[index]);
       }
     }
-    return undefined;
+    if(matched_networks.length == 1) {
+        return matched_networks[0]
+    }
+    if(matched_networks.length == 0) {
+        return undefined;
+    }
+    return matched_networks
   }
   return networkMaps[arg];
 }
diff --git a/lib/privatekey.js b/lib/privatekey.js
index f820cae09..9bc5252cc 100644
--- a/lib/privatekey.js
+++ b/lib/privatekey.js
@@ -152,7 +152,7 @@ PrivateKey._transformBuffer = function(buf, network) {
     throw new Error('Invalid network');
   }
 
-  if (network && info.network !== Networks.get(network)) {
+  if (network && (info.network !== Networks.get(network) && !_.find(info.network, network))) {
     throw new TypeError('Private key network mismatch');
   }