Incident Report
Summary AI Generated
PostHog US experienced degraded geolocation data quality from June 10 03:00 UTC to June 11 11:00 UTC due to a Maxmind GeoIP database update that removed key city and postal code information. This affected the enrichment quality of geolocation fields in events tracked during this period. The issue was resolved by reverting to an earlier database version, and the team is actively backfilling the missing GeoIP data.
We have identified that the incident occurred through Jun 10 03:00 UTC → Jun 11 11:00 UTC and are actively working on backfilling missing data.
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Latest Updates ( sorted recent to last )
IDENTIFIED
about 20 hours ago - at 06/11/2026 10:43AM
We've identified that the latest geoIP database update from Maxmind removed key city and postal code data, which caused degraded enrichment quality for geolocation fields in our events over the last 10 hours. We've reverted to an earlier database build and confirmed that city-level data is now being populated correctly. We're looking into backfilling missing geoIP data
MONITORING
about 18 hours ago - at 06/11/2026 12:18PM
We have identified that the incident occurred through Jun 10 03:00 UTC → Jun 11 11:00 UTC and are actively working on backfilling missing data.
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