diff --git a/source/SnmpPlugin/ccsp_mib_definitions.h b/source/SnmpPlugin/ccsp_mib_definitions.h
index f54ccf2..fe42a81 100644
--- a/source/SnmpPlugin/ccsp_mib_definitions.h
+++ b/source/SnmpPlugin/ccsp_mib_definitions.h
@@ -82,6 +82,7 @@
 #define  MAXI_DM_NAME_LENGTH				    256
 #define  MAXI_CCSP_MAP_STRING_LEN               32
 #define  MAXI_MIB_DATA_TYPE_LEN                 32
+#define  CCSP_MIB_IPV4_ADDRESS_SIZE             4
 
 /* TR69 data type definition 
  */
diff --git a/source/SnmpPlugin/ccsp_mib_utilities.c b/source/SnmpPlugin/ccsp_mib_utilities.c
index 50e8391..7f71443 100644
--- a/source/SnmpPlugin/ccsp_mib_utilities.c
+++ b/source/SnmpPlugin/ccsp_mib_utilities.c
@@ -1734,7 +1734,11 @@ CcspUtilInitMibValueArray
                                     pMibValue->uSize = 6;
 
                                 }
-				else if( pMibValue->uType >= ASN_IPADDRESS && pMibValue->uType <= ASN_OPAQUE)
+				else if( pMibValue->uType == ASN_IPADDRESS)
+				{
+					pMibValue->uSize = CCSP_MIB_IPV4_ADDRESS_SIZE;
+				}
+				else if( pMibValue->uType > ASN_IPADDRESS && pMibValue->uType <= ASN_OPAQUE)
 				{
 					pMibValue->uSize = sizeof(ULONG);
 				}
diff --git a/source/SnmpPlugin/ccsp_scalar_helper_access.c b/source/SnmpPlugin/ccsp_scalar_helper_access.c
index a57f878..cbcb3de 100644
--- a/source/SnmpPlugin/ccsp_scalar_helper_access.c
+++ b/source/SnmpPlugin/ccsp_scalar_helper_access.c
@@ -205,7 +205,11 @@ verifyTypeAndValueInSetReserved1
 	{
 		ret = netsnmp_check_vb_size(pVb, sizeof(BOOLEAN));
 	}
-	else if( nType == ASN_INTEGER || (nType >= ASN_IPADDRESS && nType <= ASN_OPAQUE))
+	else if( nType == ASN_IPADDRESS)
+	{
+		ret = netsnmp_check_vb_size(pVb, CCSP_MIB_IPV4_ADDRESS_SIZE);
+	}
+	else if( nType == ASN_INTEGER || (nType > ASN_IPADDRESS && nType <= ASN_OPAQUE))
 	{
 		ret = netsnmp_check_vb_size(pVb, sizeof(ULONG));
 	}
diff --git a/source/SnmpPlugin/ccsp_table_helper_access.c b/source/SnmpPlugin/ccsp_table_helper_access.c
index e41aa31..53087af 100755
--- a/source/SnmpPlugin/ccsp_table_helper_access.c
+++ b/source/SnmpPlugin/ccsp_table_helper_access.c
@@ -213,7 +213,11 @@ verifyTypeAndValueInSetReserved1
 	{
 		ret = netsnmp_check_vb_size(pVb, sizeof(BOOLEAN));
 	}
-	else if( nType == ASN_INTEGER || (nType >= ASN_IPADDRESS && nType <= ASN_OPAQUE))
+	else if( nType == ASN_IPADDRESS)
+	{
+		ret = netsnmp_check_vb_size(pVb, CCSP_MIB_IPV4_ADDRESS_SIZE);
+	}
+	else if( nType == ASN_INTEGER || (nType > ASN_IPADDRESS && nType <= ASN_OPAQUE))
 	{
 		ret = netsnmp_check_vb_size(pVb, sizeof(ULONG));
 	}