diff --git a/RNS/Discovery.py b/RNS/Discovery.py
index f0db825a..3e50e800 100644
--- a/RNS/Discovery.py
+++ b/RNS/Discovery.py
@@ -636,6 +636,10 @@ class InterfaceDiscovery():
                                 RNS.log(f"You can obtain the configuration entry and add this interface manually instead using rnstatus -D", RNS.LOG_WARNING)
                                 return
 
+                            if is_ygg_ipv6(info["reachable_on"]):
+                                # TODO: Somehow detect if yggdrasil is enabled on the system
+                                return
+
                             interface_name = info["name"]
                             config_entry = info["config_entry"]
                             interface_config = {}
@@ -757,6 +761,10 @@ def is_ip_address(address_string):
         return True
     except: return False
 
+def is_ygg_ipv6(address_string):
+    try: return ipaddress.ip_address(address_string) in ipaddress.IPv6Network("200::/7")
+    except: return False
+
 def is_hostname(hostname):
     if hostname[-1] == ".": hostname = hostname[:-1]
     if len(hostname) > 253: return False