iptocc 3.3.0

Fast, offline IP-to-country lookup. Python bindings over the Rust iptocc crate.

iptocc

Python bindings for the iptocc Rust crate. Offline IPv4 and IPv6 to ISO 3166-1 alpha-2 country code lookup.

Note: Country codes reflect the country assigned by a Regional Internet Registry (RIR) to each IP block, not where the block is being used. RIR data agrees with MaxMind for ~95% of IPv4 addresses and has minimal discrepancies for IPv6 (Zander, 2012).

Important: iptocc 3.0 is a complete Rust rewrite. Versions 2.x and earlier were pure Python on top of pandas. The public API stays mostly compatible (see migration notes below), single-lookup latency dropped from ~78 ms to ~44-141 ns, and a batch API was added.

Features

• Offline lookup, no API keys, no network calls
• IPv4 and IPv6 in one call
• Single string OR batch (any iterable of strings)
• Lookup data embedded in the wheel; no runtime file I/O
• iptocc CLI installed with pip install iptocc
• Data refreshed nightly from the five Regional Internet Registries

Install

Requires Python 3.10 or newer.

pip install iptocc

Usage

from iptocc import country_code

country_code("8.8.8.8")                       # "US"
country_code(["8.8.8.8", "1.0.16.1"])         # ["US", "JP"]

A CLI is installed alongside the library:

$ iptocc 8.8.8.8 1.0.16.1
8.8.8.8 US
1.0.16.1 JP

Migrating from 2.x

# 2.x
from iptocc import get_country_code, CountryCodeNotFound
try:
    cc = get_country_code("8.8.8.8")
except CountryCodeNotFound:
    cc = None

# 3.x
from iptocc import country_code
cc = country_code("8.8.8.8")  # returns None on miss

See also

• iptocc — the Rust crate this binding is built on
• @roniemartinez/iptocc — WASM/JavaScript bindings
• GitHub repo