diff --git a/cbxp/control_block_explorer.cpp b/cbxp/control_block_explorer.cpp
index f1cfd65..4a41d1c 100644
--- a/cbxp/control_block_explorer.cpp
+++ b/cbxp/control_block_explorer.cpp
@@ -13,6 +13,7 @@
 #include "control_blocks/cvt.hpp"
 #include "control_blocks/ecvt.hpp"
 #include "control_blocks/psa.hpp"
+#include "control_blocks/asxb.hpp"
 #include "logger.hpp"
 
 namespace CBXP {
@@ -86,7 +87,10 @@ void ControlBlockExplorer::exploreControlBlock(
       control_block_json = ASVT(includes).get();
     } else if (control_block_name == "assb") {
       control_block_json = ASSB(includes).get();
-    } else {
+    } else if (control_block_name == "asxb") {
+      control_block_json = ASXB(includes).get();
+    }
+    else {
       throw ControlBlockError();
     }
   } catch (const CBXPError& e) {
diff --git a/cbxp/control_blocks/ascb.cpp b/cbxp/control_blocks/ascb.cpp
index d2f5fa9..44b4158 100644
--- a/cbxp/control_blocks/ascb.cpp
+++ b/cbxp/control_blocks/ascb.cpp
@@ -11,6 +11,7 @@
 
 #include "assb.hpp"
 #include "asvt.hpp"
+#include "asxb.hpp"
 #include "logger.hpp"
 
 namespace CBXP {
@@ -58,6 +59,10 @@ nlohmann::json ASCB::get(void* __ptr32 p_control_block) {
       ascb_json["ascbassb"] =
           CBXP::ASSB(include_includes).get(p_ascb->ascbassb);
     }
+    else if (include == "asxb") {
+      ascb_json["ascbasxb"] =
+          CBXP::ASXB(include_includes).get(p_ascb->ascbasxb);
+    }
   }
 
   Logger::getInstance().debug("ASCB hex dump:");
diff --git a/cbxp/control_blocks/ascb.hpp b/cbxp/control_blocks/ascb.hpp
index e811530..778fb37 100644
--- a/cbxp/control_blocks/ascb.hpp
+++ b/cbxp/control_blocks/ascb.hpp
@@ -9,7 +9,7 @@ class ASCB : public ControlBlock {
  public:
   nlohmann::json get(void* __ptr32 p_control_block = nullptr) override;
   explicit ASCB(const std::vector<std::string>& includes)
-      : ControlBlock("ascb", {"assb"}, includes) {}
+      : ControlBlock("ascb", {"assb", "asxb"}, includes) {}
 };
 
 }  // namespace CBXP
diff --git a/cbxp/control_blocks/asxb.cpp b/cbxp/control_blocks/asxb.cpp
new file mode 100644
index 0000000..8a4ebed
--- /dev/null
+++ b/cbxp/control_blocks/asxb.cpp
@@ -0,0 +1,75 @@
+#include <cvt.h>
+#include <ihaascb.h>
+#include <ihaasxb.h>
+#include <ihapsa.h>
+
+#include <asxb.hpp>
+#include <cstdint>
+#include <nlohmann/json.hpp>
+#include <string>
+#include <vector>
+#include "ascb.hpp"
+#include "asvt.hpp"
+#include "logger.hpp"
+
+namespace CBXP {
+nlohmann::json ASXB::get(void* __ptr32 p_control_block) {
+  const asxb* __ptr32 p_asxb;
+  nlohmann::json asxb_json = {};
+  if (p_control_block == nullptr) {
+    // PSA starts at address 0
+    const struct psa* __ptr32 p_psa = 0;
+
+    const struct cvtmap* __ptr32 p_cvtmap =
+        // 'nullPointer' is a false positive because the PSA starts at address 0
+        // cppcheck-suppress nullPointer
+        static_cast<struct cvtmap* __ptr32>(p_psa->flccvt);
+    const asvt_t* __ptr32 p_asvt =
+        static_cast<asvt_t* __ptr32>(p_cvtmap->cvtasvt);
+
+    asxb_json["asxbs"] = std::vector<nlohmann::json>();
+    std::vector<nlohmann::json>& asxbs =
+        asxb_json["asxbs"].get_ref<std::vector<nlohmann::json>&>();
+    asxbs.reserve(p_asvt->asvtmaxu);
+
+    const uint32_t* __ptr32 p_ascb_addr =
+        reinterpret_cast<const uint32_t* __ptr32>(&p_asvt->asvtenty);
+    for (int i = 0; i < p_asvt->asvtmaxu; i++) {
+      if (0x80000000 & *p_ascb_addr) {
+        Logger::getInstance().debug(formatter_.getHex<uint32_t>(p_ascb_addr) +
+                                    " is not a valid ASCB address");
+        p_ascb_addr++;
+        continue;
+      }
+      // cast ascb addr into ascb pointer a
+      //
+      const struct ascb* __ptr32 p_ascb =
+          reinterpret_cast<struct ascb* __ptr32>(*p_ascb_addr);
+      asxbs.push_back(
+          ASXB::get(reinterpret_cast<void* __ptr32>(p_ascb->ascbasxb)));
+      p_ascb_addr++;  // This SHOULD increment the pointer by 4 bytes.
+    }
+    return asxbs;
+  } else {
+    p_asxb = static_cast<asxb* __ptr32>(p_control_block);
+  }
+
+  Logger::getInstance().debug("asxb hex dump:");
+  Logger::getInstance().hexDump(reinterpret_cast<const char*>(p_asxb),
+                                sizeof(struct asxb));
+
+
+    asxb_json["asxb_noabdump"] = p_asxb->asxb_noabdump;
+    asxb_json["asxbftcb"] = formatter_.getHex<uint32_t>(&(p_asxb->asxbftcb));
+    asxb_json["asxbitcb"] = formatter_.getHex<uint32_t>(&(p_asxb->asxbitcb));
+    asxb_json["asxbltcb"] = formatter_.getHex<uint32_t>(&(p_asxb->asxbltcb));
+    asxb_json["asxblwa"] = formatter_.getHex<uint32_t>(&(p_asxb->asxblwa));
+    asxb_json["asxbsenv"] = formatter_.getHex<uint32_t>(&(p_asxb->asxbsenv));
+    asxb_json["asxbusr8"] = formatter_.getHex<uint32_t>(&(p_asxb->asxbusr8));
+    asxb_json["asxbuser"] = formatter_.getString(p_asxb->asxbuser, 7);
+
+
+
+  return asxb_json;
+}
+}  // namespace CBXP
diff --git a/cbxp/control_blocks/asxb.hpp b/cbxp/control_blocks/asxb.hpp
new file mode 100644
index 0000000..720d524
--- /dev/null
+++ b/cbxp/control_blocks/asxb.hpp
@@ -0,0 +1,17 @@
+#ifndef __ASXB_H_
+#define __ASXB_H_
+
+#include "control_block.hpp"
+
+namespace CBXP {
+
+class ASXB : public ControlBlock {
+ public:
+  nlohmann::json get(void* __ptr32 p_control_block = nullptr) override;
+  explicit ASXB(const std::vector<std::string>& includes)
+      : ControlBlock("asxb", {}, includes) {}
+};
+
+}  // namespace CBXP
+
+#endif