Check against fc00::/7 ipv6 private space

rahulreddy · Mar 4, 2016 · e5b399b · e5b399b
1 parent 7b59d29
commit e5b399b
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/lib/ip.js b/lib/ip.js
@@ -303,7 +303,7 @@ ip.isPrivate = function(addr) {
       .test(addr) ||
     /^(::f{4}:)?127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
     /^(::f{4}:)?169\.254\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) ||
-    /^fc00:/i.test(addr) ||
+    /^f[cd][0-9a-f]{2}:/i.test(addr) ||
     /^fe80:/i.test(addr) ||
     /^::1$/.test(addr) ||
     /^::$/.test(addr);

diff --git a/test/api-test.js b/test/api-test.js
@@ -270,6 +270,7 @@ describe('IP library for node.js', function() {
     });
 
     it('should check if an address is from a private IPv6 network', function() {
+      assert.equal(ip.isPrivate('fd12:3456:789a:1::1'), true);
       assert.equal(ip.isPrivate('fe80::f2de:f1ff:fe3f:307e'), true);
       assert.equal(ip.isPrivate('::ffff:10.100.1.42'), true);
       assert.equal(ip.isPrivate('::FFFF:172.16.200.1'), true);