# 無料IP品質チェッカー | QuantumProxies.io

任意のIPアドレスを無料でチェック。不正スコア、プロキシ・VPN検出、ブラックリスト、ISP、ASN、位置情報を、登録なしですぐに確認できます。

## IP品質チェッカー

The free IP checker verifies any IP address instantly: quality score, fraud and risk signals, ISP and organization, geolocation, and proxy/VPN detection — no signup required.

## IP quality & fraud score

Get a fraud/risk score plus flags for proxy, VPN, TOR and hosting IPs, so you can assess whether an address is residential and trustworthy before you use it.

## Reputation & geo

See ISP, ASN, country, region and city for any IP, and check how it's likely to be perceived by anti-bot systems and fraud filters.