IP Anonymization
Truncating the last octet of an IP address or hashing it — strips its status as personal data.
IP anonymization transforms an IP address so that it can no longer be tied to a specific person. Two common approaches:
1) IP truncation: the last octet is replaced with 0 (e.g., 73.45.128.91 → 73.45.128.0). 2) IP hashing: the full IP is run through a cryptographic hash (SHA-256) into an unreadable digest from which the original IP cannot be recovered.
Important for GDPR and CCPA: anonymized IPs no longer count as personal data, which means you typically don't need consent to log them for analytics. promolinks.net hashes every IP before persistence — your click logs are aggregate-only.
Related terms
What you should know next
GDPR
The EU's General Data Protection Regulation — in force since May 2018, with global reach.
Cookie Banner / Consent
Consent prompt for tracking cookies — required by GDPR in the EU and CCPA/CPRA in California.
Click Tracking
Logs every click on a short link — including device, source, and timestamp.
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