Merge pull request #3 from EdOverflow/master

Increase exclusion list.
jtdowney · Nov 16, 2017 · 516ab85 · 516ab85
2 parents e76cada + 4ce6315
commit 516ab85
Showing 1 changed file with 28 additions and 14 deletions.
diff --git a/lib/private_address_check.rb b/lib/private_address_check.rb
@@ -6,21 +6,35 @@
 module PrivateAddressCheck
   module_function
 
+  # https://en.wikipedia.org/wiki/Reserved_IP_addresses
   CIDR_LIST = [
-    # Loopback
-    IPAddr.new("127.0.0.0/8"),
-    IPAddr.new("::1/64"),
-
-    # Link Local,
-    IPAddr.new("169.254.0.0/16"),
-
-    # RFC 1918
-    IPAddr.new("10.0.0.0/8"),
-    IPAddr.new("172.16.0.0/12"),
-    IPAddr.new("192.168.0.0/16"),
-
-    # RFC 4193
-    IPAddr.new("fc00::/7"),
+    IPAddr.new("127.0.0.0/8"),     # Loopback
+    IPAddr.new("::1/128"),         # Loopback
+    IPAddr.new("0.0.0.0/8"),       # Current network (only valid as source address)
+    IPAddr.new("169.254.0.0/16"),  # Link-local
+    IPAddr.new("10.0.0.0/8"),      # Private network
+    IPAddr.new("100.64.0.0/10"),   # Shared Address Space
+    IPAddr.new("172.16.0.0/12"),   # Private network
+    IPAddr.new("192.0.0.0/24"),    # IETF Protocol Assignments
+    IPAddr.new("192.0.2.0/24"),    # TEST-NET-1, documentation and examples
+    IPAddr.new("192.88.99.0/24"),  # IPv6 to IPv4 relay (includes 2002::/16)
+    IPAddr.new("192.168.0.0/16"),  # Private network
+    IPAddr.new("198.18.0.0/15"),   # Network benchmark tests
+    IPAddr.new("198.51.100.0/24"), # TEST-NET-2, documentation and examples
+    IPAddr.new("203.0.113.0/24"),  # TEST-NET-3, documentation and examples
+    IPAddr.new("224.0.0.0/4"),     # IP multicast (former Class D network)
+    IPAddr.new("240.0.0.0/4"),     # Reserved (former Class E network)
+    IPAddr.new("255.255.255.255"), # Broadcast
+    IPAddr.new("64:ff9b::/96"),    # IPv4/IPv6 translation (RFC 6052)
+    IPAddr.new("100::/64"),        # Discard prefix (RFC 6666)
+    IPAddr.new("2001::/32"),       # Teredo tunneling
+    IPAddr.new("2001:10::/28"),    # Deprecated (previously ORCHID)
+    IPAddr.new("2001:20::/28"),    # ORCHIDv2
+    IPAddr.new("2001:db8::/32"),   # Addresses used in documentation and example source code
+    IPAddr.new("2002::/16"),       # 6to4
+    IPAddr.new("fc00::/7"),        # Unique local address
+    IPAddr.new("fe80::/10"),       # Link-local address
+    IPAddr.new("ff00::/8")         # Multicast
   ]
 
   def private_address?(address)