diff --git a/src/netbase.cpp b/src/netbase.cpp
index a22d42a96..37e6120e7 100644
--- a/src/netbase.cpp
+++ b/src/netbase.cpp
@@ -615,6 +615,18 @@ bool CNetAddr::IsRFC4843() const
     return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x00 && (GetByte(12) & 0xF0) == 0x10);
 }
 
+bool CNetAddr::IsOnionCat() const
+{
+    static const unsigned char pchOnionCat[] = {0xFD,0x87,0xD8,0x7E,0xEB,0x43};
+    return (memcmp(ip, pchOnionCat, sizeof(pchOnionCat)) == 0);
+}
+
+bool CNetAddr::IsGarliCat() const
+{
+    static const unsigned char pchGarliCat[] = {0xFD,0x60,0xDB,0x4D,0xDD,0xB5};
+    return (memcmp(ip, pchGarliCat, sizeof(pchGarliCat)) == 0);
+}
+
 bool CNetAddr::IsLocal() const
 {
     // IPv4 loopback
@@ -673,7 +685,7 @@ bool CNetAddr::IsValid() const
 
 bool CNetAddr::IsRoutable() const
 {
-    return IsValid() && !(IsRFC1918() || IsRFC3927() || IsRFC4862() || IsRFC4193() || IsRFC4843() || IsLocal());
+    return IsValid() && !(IsRFC1918() || IsRFC3927() || IsRFC4862() || (IsRFC4193() && !IsOnionCat() && !IsGarliCat()) || IsRFC4843() || IsLocal());
 }
 
 std::string CNetAddr::ToStringIP() const
diff --git a/src/netbase.h b/src/netbase.h
index acbcc36d1..1b6d8d59b 100644
--- a/src/netbase.h
+++ b/src/netbase.h
@@ -42,6 +42,8 @@ class CNetAddr
         bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64)
         bool IsRFC6052() const; // IPv6 well-known prefix (64:FF9B::/96)
         bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96)
+        bool IsOnionCat() const;
+        bool IsGarliCat() const;
         bool IsLocal() const;
         bool IsRoutable() const;
         bool IsValid() const;