diff --git a/fe/fe-common/src/main/java/org/apache/doris/catalog/PrimitiveType.java b/fe/fe-common/src/main/java/org/apache/doris/catalog/PrimitiveType.java
index e5b1b9c958b1a0..dbb5e7ad3768a9 100644
--- a/fe/fe-common/src/main/java/org/apache/doris/catalog/PrimitiveType.java
+++ b/fe/fe-common/src/main/java/org/apache/doris/catalog/PrimitiveType.java
@@ -593,6 +593,14 @@ public static ImmutableSetMultimap<PrimitiveType, PrimitiveType> getImplicitCast
         builder.put(VARIANT, STRING);
         builder.put(VARIANT, JSONB);
 
+        // ipv4
+        builder.put(IPV4, VARCHAR);
+        builder.put(IPV4, STRING);
+
+        // ipv6
+        builder.put(IPV6, VARCHAR);
+        builder.put(IPV6, STRING);
+
         // HLL
         builder.put(HLL, HLL);
 
diff --git a/regression-test/suites/nereids_syntax_p0/cast.groovy b/regression-test/suites/nereids_syntax_p0/cast.groovy
index 0d9e28433f5ec4..5354648801aaba 100644
--- a/regression-test/suites/nereids_syntax_p0/cast.groovy
+++ b/regression-test/suites/nereids_syntax_p0/cast.groovy
@@ -253,4 +253,19 @@ suite("cast") {
     sql "select cast(1 as signed int)"
     sql "select cast(1 as unsigned)"
     sql "select cast(1 as unsigned integer)"
+
+    // ip
+
+    sql """drop table if exists ip_test"""
+    sql """
+        create table if not exists ip_test (a ipv6, b ipv4)  properties ("replication_num" = "1");
+    """
+    sql """
+        insert into ip_test values('d916:b163:3ce8:e0f3:b953:fa0c:ab21:1ff9', "172.20.48.119");
+    """
+
+    sql """sync"""
+
+    sql """select ipv6_string_to_num(a), ipv4_string_to_num(b) from ip_test"""
+    sql """drop table if exists ip_test"""
 }