diff --git a/corelib/src/test/language_features/const_test.cairo b/corelib/src/test/language_features/const_test.cairo
index 702ef3e1ca4..872373a7ee6 100644
--- a/corelib/src/test/language_features/const_test.cairo
+++ b/corelib/src/test/language_features/const_test.cairo
@@ -158,3 +158,25 @@ fn test_complex_consts() {
     };
     assert_eq!(IF_CONST_FALSE, 7);
 }
+
+mod const_starknet_consts {
+    pub extern fn const_as_box<T, const SEGMENT_INDEX: felt252>() -> Box<
+        (starknet::ContractAddress, starknet::ClassHash),
+    > nopanic;
+}
+
+#[test]
+fn test_starknet_consts() {
+    assert!(
+        const_starknet_consts::const_as_box::<
+            struct2::Const<
+                (starknet::ContractAddress, starknet::ClassHash),
+                value::Const<starknet::ContractAddress, 1000>,
+                value::Const<starknet::ClassHash, 1001>,
+            >,
+            0,
+        >()
+            .unbox() == (1000.try_into().unwrap(), 1001.try_into().unwrap()),
+    );
+}
+
diff --git a/crates/cairo-lang-sierra-to-casm/src/test_data/errors b/crates/cairo-lang-sierra-to-casm/src/test_data/errors
index 52ad030dc12..81467fd49f8 100644
--- a/crates/cairo-lang-sierra-to-casm/src/test_data/errors
+++ b/crates/cairo-lang-sierra-to-casm/src/test_data/errors
@@ -1079,3 +1079,33 @@ foo@0() -> ();
 
 //! > error
 Code size limit exceeded.
+
+//! > ==========================================================================
+
+//! > ContractAddress out of range.
+
+//! > test_runner_name
+compiler_errors
+
+//! > sierra_code
+type ContractAddress = ContractAddress;
+type InRange = Const<ContractAddress, 3618502788666131106986593281521497120414687020801267626233049500247285301247>;
+type OutOfRange = Const<ContractAddress, 3618502788666131106986593281521497120414687020801267626233049500247285301248>;
+
+//! > error
+Error from program registry: Error during type specialization of `OutOfRange`: Could not specialize type
+
+//! > ==========================================================================
+
+//! > ClassHash out of range.
+
+//! > test_runner_name
+compiler_errors
+
+//! > sierra_code
+type ClassHash = ClassHash;
+type InRange = Const<ClassHash, 3618502788666131106986593281521497120414687020801267626233049500247285301247>;
+type OutOfRange = Const<ClassHash, 3618502788666131106986593281521497120414687020801267626233049500247285301248>;
+
+//! > error
+Error from program registry: Error during type specialization of `OutOfRange`: Could not specialize type
diff --git a/crates/cairo-lang-sierra/src/extensions/modules/const_type.rs b/crates/cairo-lang-sierra/src/extensions/modules/const_type.rs
index e7d439273c6..886712b3a4e 100644
--- a/crates/cairo-lang-sierra/src/extensions/modules/const_type.rs
+++ b/crates/cairo-lang-sierra/src/extensions/modules/const_type.rs
@@ -3,9 +3,14 @@ use itertools::Itertools;
 use num_traits::{ToPrimitive, Zero};
 
 use super::boxing::box_ty;
+use super::consts::ConstGenLibfunc;
 use super::enm::EnumType;
 use super::int::unsigned128::Uint128Type;
 use super::non_zero::NonZeroType;
+use super::starknet::interoperability::{
+    ClassHashConstLibfuncWrapped, ClassHashType, ContractAddressConstLibfuncWrapped,
+    ContractAddressType,
+};
 use super::structure::StructType;
 use super::utils::Range;
 use crate::define_libfunc_hierarchy;
@@ -67,20 +72,26 @@ fn validate_const_data(
     inner_data: &[GenericArg],
 ) -> Result<(), SpecializationError> {
     let inner_type_info = context.get_type_info(inner_ty.clone())?;
-    if inner_type_info.long_id.generic_id == StructType::ID {
-        validate_const_struct_data(context, &inner_type_info, inner_data)?;
-    } else if inner_type_info.long_id.generic_id == EnumType::ID {
-        validate_const_enum_data(context, &inner_type_info, inner_data)?;
-    } else if inner_type_info.long_id.generic_id == NonZeroType::ID {
-        validate_const_nz_data(context, &inner_type_info, inner_data)?;
+    let inner_generic_id = &inner_type_info.long_id.generic_id;
+    if *inner_generic_id == StructType::ID {
+        return validate_const_struct_data(context, &inner_type_info, inner_data);
+    } else if *inner_generic_id == EnumType::ID {
+        return validate_const_enum_data(context, &inner_type_info, inner_data);
+    } else if *inner_generic_id == NonZeroType::ID {
+        return validate_const_nz_data(context, &inner_type_info, inner_data);
+    }
+    let type_range = if *inner_generic_id == ContractAddressType::id() {
+        Range::half_open(0, ContractAddressConstLibfuncWrapped::bound())
+    } else if *inner_generic_id == ClassHashType::id() {
+        Range::half_open(0, ClassHashConstLibfuncWrapped::bound())
     } else {
-        let type_range = Range::from_type_info(&inner_type_info)?;
-        let [GenericArg::Value(value)] = inner_data else {
-            return Err(SpecializationError::WrongNumberOfGenericArgs);
-        };
-        if !(&type_range.lower <= value && value < &type_range.upper) {
-            return Err(SpecializationError::UnsupportedGenericArg);
-        }
+        Range::from_type_info(&inner_type_info)?
+    };
+    let [GenericArg::Value(value)] = inner_data else {
+        return Err(SpecializationError::WrongNumberOfGenericArgs);
+    };
+    if !(&type_range.lower <= value && value < &type_range.upper) {
+        return Err(SpecializationError::UnsupportedGenericArg);
     }
     Ok(())
 }