diff --git a/walrus.py b/walrus.py
new file mode 100644
index 0000000..2f156b1
--- /dev/null
+++ b/walrus.py
@@ -0,0 +1,80 @@
+import asyncio
+import aiohttp
+import json
+import ipaddress
+import os
+
+PROGRESS_FILE = "progress.json"
+IPS_UP_FILE = "ips_up.json"
+MAX_CONCURRENT_SCANS = 500  # Adjust based on system capabilities
+
+
+async def save_progress(progress):
+    """Save the progress to a JSON file."""
+    with open(PROGRESS_FILE, "w") as f:
+        json.dump(progress, f)
+
+
+def load_progress():
+    """Load the progress from a JSON file."""
+    if os.path.exists(PROGRESS_FILE):
+        with open(PROGRESS_FILE, "r") as f:
+            return json.load(f)
+    return {"current_ip": "0.0.0.0"}
+
+
+def load_ips_up():
+    """Load the list of IPs that are up."""
+    if os.path.exists(IPS_UP_FILE):
+        with open(IPS_UP_FILE, "r") as f:
+            return json.load(f)
+    return []
+
+
+async def save_ips_up(ips_up):
+    """Save the list of IPs that are up."""
+    with open(IPS_UP_FILE, "w") as f:
+        json.dump(ips_up, f)
+
+
+async def scan_ip(ip, session, ips_up):
+    """Simulate an IP scan and check if it's reachable."""
+    try:
+        async with session.get(f"http://{ip}", timeout=2) as response:
+            if response.status == 200:  # Or use any other status indicating 'up'
+                print(f"IP: {ip} is UP")
+                ips_up.append(ip)
+            else:
+                print(f"IP: {ip} is DOWN, Status: {response.status}")
+    except Exception as e:
+        print(f"IP: {ip} is DOWN, Error: {e}")
+
+
+async def scan_range(start_ip):
+    """Scan all IPv4 addresses starting from a specific IP."""
+    progress = load_progress()
+    ips_up = load_ips_up()
+    current_ip = progress.get("current_ip", start_ip)
+    ip_pool = ipaddress.IPv4Address(current_ip)
+    total_ips = ipaddress.IPv4Address("255.255.255.255")
+
+    async with aiohttp.ClientSession() as session:
+        while ip_pool <= total_ips:
+            tasks = []
+            for _ in range(MAX_CONCURRENT_SCANS):
+                if ip_pool > total_ips:
+                    break
+                tasks.append(scan_ip(str(ip_pool), session, ips_up))
+                ip_pool += 1
+
+            await asyncio.gather(*tasks)
+            progress["current_ip"] = str(ip_pool)
+            await save_progress(progress)
+            await save_ips_up(ips_up)
+
+
+if __name__ == "__main__":
+    try:
+        asyncio.run(scan_range("0.0.0.0"))
+    except KeyboardInterrupt:
+        print("Scan interrupted. Progress and reachable IPs saved.")
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