diff --git a/httpd.py b/httpd.py
index baad8b2..b689d0e 100644
--- a/httpd.py
+++ b/httpd.py
@@ -56,7 +56,7 @@ class ProxyAPIHandler(BaseHTTPServer.BaseHTTPRequestHandler):
         """Show available endpoints."""
         endpoints = {
             'endpoints': {
-                '/proxies': 'list working proxies (params: limit, proto, country)',
+                '/proxies': 'list working proxies (params: limit, proto, country, asn)',
                 '/proxies/count': 'count working proxies',
                 '/health': 'health check',
             }
@@ -77,10 +77,11 @@ class ProxyAPIHandler(BaseHTTPServer.BaseHTTPRequestHandler):
         limit = min(int(params.get('limit', 100)), 1000)
         proto = params.get('proto', '')
         country = params.get('country', '')
+        asn = params.get('asn', '')
         format = params.get('format', 'json')
 
         # Build query
-        sql = 'SELECT ip, port, proto, country FROM proxylist WHERE failed=0'
+        sql = 'SELECT ip, port, proto, country, asn FROM proxylist WHERE failed=0'
         args = []
 
         if proto:
@@ -89,6 +90,9 @@ class ProxyAPIHandler(BaseHTTPServer.BaseHTTPRequestHandler):
         if country:
             sql += ' AND country=?'
             args.append(country.upper())
+        if asn:
+            sql += ' AND asn=?'
+            args.append(int(asn))
 
         sql += ' ORDER BY tested DESC LIMIT ?'
         args.append(limit)
@@ -109,7 +113,8 @@ class ProxyAPIHandler(BaseHTTPServer.BaseHTTPRequestHandler):
                         'ip': row[0],
                         'port': row[1],
                         'proto': row[2],
-                        'country': row[3]
+                        'country': row[3],
+                        'asn': row[4]
                     })
                 self.send_json({'count': len(proxies), 'proxies': proxies})