OpenIPApi
All countries
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Japan

IP Geolocation & Threat Intelligence Data

Country Code

JP

Coverage

Coverage is available through the live lookup API.

Accuracy

95–99%

Top ASNs in Japan

No public ASN summary is available yet. Use the API to look up individual IP addresses in this country.

Lookup any IP in Japan

curl -H "X-API-Key: YOUR_KEY" \
  https://api.openipapi.com/v1/lookup/IP_ADDRESS

Query Japan IPs with the API

10,000 free lookups/month. No credit card required.

Get free API key