Convert an IPv4 address to a country code

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geoip-api

HTTP API for converting an IPv4 address to a country code.

Uses the iptoasn.com dataset.

Setup

Grab the latest ip2asn-v4.tsv.gz and extract it to data/ip2asn-v4.tsv.

Then just use cargo as usual.

$ http GET 'http://127.0.0.1:8000/192.168.0.1'

{
  "asn": 0,
  "country_code": "None",
  "asn_desc": "Not routed"
}