diff --git a/src/step 5 ooni list/ipsum_bgp.py b/src/step 5 ooni list/ipsum_bgp.py
index 5112e8b..560fe7e 100644
--- a/src/step 5 ooni list/ipsum_bgp.py	
+++ b/src/step 5 ooni list/ipsum_bgp.py	
@@ -5,6 +5,8 @@ import requests
 import ipaddress
 import time
 import os
+import subprocess
+import json
 from collections import defaultdict
 from idna import encode as idna_encode
 
@@ -100,25 +102,17 @@ def handle_rate_limit():
     logging.warning(f'Rate limit hit. Waiting for {wait_time} seconds.')
     time.sleep(wait_time)
 
-# Function to get CIDRs for a domain from ASN using GeoLite2
+# Function to get CIDRs for a domain from ASN using ip.guide
 def get_cidr_for_asn(asn):
     try:
-        url = f'https://api.bgpview.io/asn/{asn}/prefixes'
-        response = requests.get(url)
-
-        if response.status_code == 200:
-            data = response.json()
-            return [prefix['prefix'] for prefix in data['data']['ipv4_prefixes']]
-
-        elif response.status_code == 429:
-            handle_rate_limit()
-            return get_cidr_for_asn(asn)  # Retry after waiting
-
-        elif response.status_code == 403:
-            logging.error(f'Access forbidden for ASN {asn}, skipping.')
+        command = f'curl -sL https://ip.guide/as{asn}'
+        result = subprocess.run(command, shell=True, capture_output=True, text=True)
+        if result.returncode == 0:
+            data = json.loads(result.stdout)
+            return data.get('routes', {}).get('v4', [])
+        else:
+            logging.error(f'Error executing curl command: {result.stderr}')
             return []
-
-        return []
     except Exception as e:
         logging.error(f'Error retrieving CIDRs for ASN {asn}: {e}')
         return []