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IPアドレス照会

任意のIPアドレスのジオロケーション、ISP、ネットワーク情報を調査

Geo data via ip-api.com — approximate location only

IP Address Lookup

Look up any IP address to find its geographic location, ISP, organization, timezone, and ASN. Useful for network diagnostics, security analysis, and understanding web traffic.

FAQ

How accurate is IP geolocation?

IP geolocation is accurate to country level ~99% of the time, city level ~75% of the time, and street level rarely. Accuracy varies by country and ISP.

What is an ASN?

Autonomous System Number — a unique identifier for a network operated by a single organization (ISP, CDN, or large company). Used in internet routing.

Can I look up my own IP address?

Yes — leave the IP field empty to look up your own public IP address, or visit the My IP tool.

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