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    To handle inquiries and requests for use in Japan, we estimate whether the submission originates in Japan, outside Japan, or is undetermined, using the IP address. Only this category is added to our receipt email. The lookup runs on this server without sending your IP to a geolocation service. VPNs may affect accuracy; this is not proof of residence.
    IP Geolocation by DB-IP (CC BY 4.0)

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