# Third Party Notices

## ip2region

- Project: https://github.com/lionsoul2014/ip2region
- License: Apache-2.0, see `LICENSES/ip2region-LICENSE.md`.
- Embedded database: `data/ip2region_v4.xdb`
- Source URL: https://raw.githubusercontent.com/lionsoul2014/ip2region/master/data/ip2region_v4.xdb
- SHA256: `cabf0493883e94015da95ce9ef22b514d9494eb47f66b22942c7710c5d6720be`

The embedded IPv4 database is used for offline client region and ISP lookup before any online fallback resolver is attempted.