Operated by Level 3 / Lumen — Saluda, SC, United States
Level 3 (now Lumen Technologies) public DNS resolver. One of the oldest public DNS services, widely used as an alternative to ISP-provided DNS.
Note: IP geolocation shows approximate location. Anycast IPs may have servers in multiple physical locations.
Use the free Frostbyte IP Geolocation API to look up any IP address. No signup form — get your API key instantly.
# Get geolocation for 4.2.2.1
curl "https://api-catalog-three.vercel.app/v1/agent-geo/api/geo/4.2.2.1" \
-H "Authorization: Bearer YOUR_API_KEY"{
"ip": "4.2.2.1",
"found": true,
"country": "US",
"region": "SC",
"city": "Saluda",
"timezone": "America/New_York",
"latitude": 34.0167,
"longitude": -81.7771
}