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## IPv4 block list now updates hourly

The IPv4 block list now refreshes every hour, up from twice a day, so newly identified high-risk IP addresses can be blocked within hours rather than half a day. Detection now prioritizes IP addresses with demonstrated high-impact invalid traffic (IVT), and the file is smaller and faster to ingest.

The file naming convention and schema are unchanged. See [IP block lists](/data-feeds/ip-block-lists).