ASN Explorer - Discover Autonomous Systems

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ASN ↕	Organization ↕	Country ↕

API Documentation

Access ASN data programmatically with our free API

Endpoint

GET https://asn.mxm0z.com/api/asns

Returns all autonomous systems with organization names and country codes

Response Format

{
  "success": true,
  "count": 119643,
  "results": [
    {
      "asn": "AS1",
      "name": "LVLT-1",
      "country": "US",
      "full": "AS1 LVLT-1, US"
    }
  ]
}

Example Usage

# cURL
curl https://asn.mxm0z.com/api/asns

# JavaScript
fetch('https://asn.mxm0z.com/api/asns')
  .then(res => res.json())
  .then(data => {
    console.log(`Total ASNs: ${data.count}`);
    data.results.forEach(asn => {
      console.log(asn.full);
    });
  });

# Python
import requests
response = requests.get('https://asn.mxm0z.com/api/asns')
data = response.json()
print(f"Total: {data['count']}")

Details

No authentication required
CORS enabled - use from any domain
Returns all ~119K ASNs in single response
Data cached for 1 hour from BGP Potaroo
Client-side filtering recommended
Free for research and development

Inspired by Will Thomas's ASN mapping work

Data source: BGP Potaroo

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