diff --git a/include/zephyr/net/net_ip.h b/include/zephyr/net/net_ip.h
index 0963bdd69bc..499d5a4f313 100644
--- a/include/zephyr/net/net_ip.h
+++ b/include/zephyr/net/net_ip.h
@@ -438,6 +438,9 @@ extern const struct in6_addr in6addr_loopback;
 /** IPv4 any address */
 #define INADDR_ANY 0
 
+/** IPv4 broadcast address */
+#define INADDR_BROADCAST 0xffffffff
+
 /** IPv4 address initializer */
 #define INADDR_ANY_INIT { { { INADDR_ANY } } }
 
diff --git a/tests/posix/headers/src/netinet_in_h.c b/tests/posix/headers/src/netinet_in_h.c
index 6dba608521e..f860484b58c 100644
--- a/tests/posix/headers/src/netinet_in_h.c
+++ b/tests/posix/headers/src/netinet_in_h.c
@@ -58,7 +58,7 @@ ZTEST(posix_headers, test_netinet_in_h)
 	zassert_not_equal(-1, IPPROTO_UDP);
 
 	zassert_not_equal(-1, INADDR_ANY);
-	/* zassert_not_equal(-1, INADDR_BROADCAST); */ /* not implemented */
+	zassert_equal(0xffffffff, INADDR_BROADCAST);
 
 	zassert_equal(INET_ADDRSTRLEN, 16);
 	zassert_equal(INET6_ADDRSTRLEN, 46);