diff --git a/src/js/helpers/formatter.js b/src/js/helpers/formatter.js
index 17d58c0..db4155a 100644
--- a/src/js/helpers/formatter.js
+++ b/src/js/helpers/formatter.js
@@ -100,7 +100,7 @@ GLOBE.Formatter = {
     },
 
     /**
-     * Extracts port from a given string
+     * Extracts a port from a given string by returning the value after the last ':'
      * @param {String} value complete host + port
      * @returns {String} port or empty string if no port found
      * @example
@@ -111,9 +111,12 @@ GLOBE.Formatter = {
         var port = GLOBE.static.messages.dataEmpty;
 
         if(typeof value === 'string'){
-            var parts = value.split(':');
-            if(parts.length === 2 && parts[1].length){
-                port = parts[1];
+            var parts = value.split(':'),
+                part;
+
+            if (parts.length && parts.length > 1 &&
+                (part = parts[parts.length - 1]).length) {
+                port = part;
             }
         }
 
@@ -145,5 +148,20 @@ GLOBE.Formatter = {
             fixed = (val * 100).toFixed(precision) + '%';
         }
         return fixed;
+    },
+
+    /**
+     * Returns a string that contains the ip version and port
+     * @param {String} val
+     * @return {String} ip version and port
+     * @example
+     * // returns 'IPv4:9000'
+     * Globe.Formatter.anonymizeIpAddress('128.0.0.1:9000')
+     */
+    anonymizeIpAddress: function(val) {
+        var ipV = GLOBE.Util.looksLikeIpV(val),
+            port = GLOBE.Formatter.extractPort(val);
+
+        return 'IPv' + ipV + ':' + port;
     }
 };
\ No newline at end of file
diff --git a/src/js/helpers/handlebarsHelper.js b/src/js/helpers/handlebarsHelper.js
index 40b2a9b..15b7054 100644
--- a/src/js/helpers/handlebarsHelper.js
+++ b/src/js/helpers/handlebarsHelper.js
@@ -122,4 +122,10 @@ Em.Handlebars.helper('familyToFingerprint', function(value){
  */
 Em.Handlebars.helper('percent', function(value, precision){
     return new Handlebars.SafeString(GLOBE.Formatter.percent(value, precision));
+});
+/**
+ * @see {@link GLOBE.Formatter.familyToFingerprint()}
+ */
+Em.Handlebars.helper('anonIpAdress', function(value){
+    return new Handlebars.SafeString(GLOBE.Formatter.anonymizeIpAddress(value));
 });
\ No newline at end of file
diff --git a/src/js/helpers/util.js b/src/js/helpers/util.js
index 901607a..e2247f3 100644
--- a/src/js/helpers/util.js
+++ b/src/js/helpers/util.js
@@ -197,6 +197,29 @@ GLOBE.Util = {
         return periods;
     },
 
+    /**
+     * Function that takes a ip address and decides if it could be a ipv6 or ipv4 address.
+     * Do not use this as validation for ip addresses.
+     * @param {String} address
+     * @return {undefined|String} 6, 4 or undefined (if address is no string).
+     */
+    looksLikeIpV: function(address) {
+        var looksLike,
+            v6Result,
+            v4Result;
+
+        if (typeof address === 'string') {
+            // I used an assignment with boolean check because .match can return null
+            if ((v6Result = address.match(/:/g)) && v6Result.length > 1) {
+                looksLike = '6';
+            } else if ((v4Result = address.match(/\./g)) && v4Result.length === 3) {
+                looksLike = '4';
+            }
+        }
+
+        return looksLike;
+    },
+
     processHistoryResponse: function(fieldMapping, response){
         var hasRelays = response && response.relays && response.relays.length,
             hasBridges = response && response.bridges && response.bridges.length,
diff --git a/src/js/templates/bridgeDetail.hbs b/src/js/templates/bridgeDetail.hbs
index 57983eb..8c9b20e 100644
--- a/src/js/templates/bridgeDetail.hbs
+++ b/src/js/templates/bridgeDetail.hbs
@@ -63,7 +63,7 @@
                             title="Onion-routing addresses">OR Addresses</h5>
                         <ul class="property-content item-list">
                             {{#each or_addresses}}
-                                <li>{{ this }}</li>
+                                <li>{{ anonIpAdress this }}</li>
                             {{else}}
                                 <li>none</li>
                             {{/each}}
diff --git a/test/unit/formatter.test.js b/test/unit/formatter.test.js
index 34ca33d..801b82a 100644
--- a/test/unit/formatter.test.js
+++ b/test/unit/formatter.test.js
@@ -59,8 +59,8 @@ test('port extractor formatter test', function(){
     equal(testFn(NaN),              dataEmpty, 'test for NaN');
     equal(testFn('string'),         dataEmpty, 'test for "string"');
     equal(testFn('0.0.0.0:'),       dataEmpty, 'test for "0.0.0.0:"');
-    equal(testFn('0.0.0.0:80:80'),  dataEmpty, 'test for "0.0.0.0:80:80"');
 
+    equal(testFn('0.0.0.0:80:80'),  '80', 'test for "0.0.0.0:80:80"');
     equal(testFn('0.0.0.0:80'),     '80',   'test for "0.0.0.0:80"');
     equal(testFn('0.0.0.0:9000'),   '9000', 'test for "0.0.0.0:9000"');
 
@@ -127,7 +127,17 @@ test('family to fingerprint formatter test', function(){
     equal(testFn('string'),         dataEmpty, 'test for "string"');
 
     equal(testFn('$1234'), '1234', 'test for "$1234"');
+});
+
+test('anonymizeIpAddress formatter test', function(){
+
+    var testFn = GLOBE.Formatter.anonymizeIpAddress;
 
+    equal(testFn('128.0.0.1:9000'), 'IPv4:9000', 'test for ipv4');
+    equal(testFn('128.0.0.1:80'), 'IPv4:80', 'test for ipv4');
+    equal(testFn('::ffff:10.0.0.1:9000'), 'IPv6:9000', 'test for ipv6');
+    equal(testFn('1:2:3:4:5:6:7:8:80'), 'IPv6:80', 'test for ipv6');
+    equal(testFn('[2001:bc8:3431:101::2]:22'), 'IPv6:22', 'test for ipv6');
 });
 
 
diff --git a/test/unit/util.test.js b/test/unit/util.test.js
new file mode 100644
index 0000000..a14118c
--- /dev/null
+++ b/test/unit/util.test.js
@@ -0,0 +1,20 @@
+
+// test module
+module('util tests module');
+
+test('looksLikeIpV function test', function(){
+
+    var testFn = GLOBE.Util.looksLikeIpV;
+
+    equal(testFn('1:2:3:4:5:6:7:8'), '6', 'test for 6');
+    equal(testFn('::ffff:10.0.0.1'), '6', 'test for 6');
+    equal(testFn('::ffff:1.2.3.4'), '6', 'test for 6');
+    equal(testFn('1:2:3:4:5:6:77:88'), '6', 'test for 6');
+    equal(testFn('ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff'), '6', 'test for 6');
+
+    equal(testFn('127.0.0.1'), '4', 'test for 4');
+    equal(testFn('192.168.1.1'), '4', 'test for 4');
+    equal(testFn('255.255.255.255'), '4', 'test for 4');
+    equal(testFn('0.0.0.0'), '4', 'test for 4');
+});
+