diff --git a/protocols/sacn/sacn.h b/protocols/sacn/sacn.h
index b50c7c8..d93b90c 100644
--- a/protocols/sacn/sacn.h
+++ b/protocols/sacn/sacn.h
@@ -117,4 +117,37 @@ using ipAddress = ACN::SDT::UDP::ipAddress;
 /// > through labelling, manufacturer documentation, or other means, which IP
 /// > transports they support.
 using ip_addr_spec = ACN::SDT::ip_addr_spec;
+
+
+/**
+ * @brief \cite sACN 9.3.1 Allocation of IPv4 Multicast Addresses
+ *
+ * > Multicast addresses are from the IPv4 Local Scope and will be managed by
+ * > routers in conformance with RFC 2365 \cite ASIPM.
+ */
+static inline ipAddress IPv4MulticastAddress(universe_number universe) {
+  ipAddress addr;
+  addr.type = ACN::SDT::SDT_ADDR_IPV4;
+  addr.address.ipv4.bytes[3] = 239;
+  addr.address.ipv4.bytes[2] = 255;
+  addr.address.ipv4.bytes[1] = universe >> 8;
+  addr.address.ipv4.bytes[0] = universe & 0xff;
+  return addr;
+};
+
+
+/**
+ * @brief \cite sACN 9.3.2 Allocation of IPv6 Multicast Addresses
+ * @param universe
+ * @return
+ */
+static inline ipAddress IPv6MulticastAddress(universe_number universe) {
+  ipAddress addr;
+  addr.type = ACN::SDT::SDT_ADDR_IPV6;
+  addr.address.ipv6.group[3] = 131;
+  addr.address.ipv6.group[1] = universe >> 8;
+  addr.address.ipv6.group[0] = universe & 0xff;
+  return addr;
+}
+
 } // SACN