originet 1.1.0

Map IP addresses to origin ASNs with CAIDA's RouteViews prefix-to-AS snapshots, fetched on the fly or read from a local file
Documentation 
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cff-version: 1.2.0
message: "If you use originet in your work, please cite it and CAIDA's prefix-to-AS dataset."
title: "originet"
type: software
version: 1.1.0
date-released: 2026-10-29
repository-code: "https://github.com/estcarisimo/originet"
url: "https://estcarisimo.github.io/originet/"
license: MIT
abstract: "Map IP addresses to origin ASNs with CAIDA's RouteViews prefix-to-AS snapshots, fetched on the fly or read from a local file. Rust CLI and library with Python bindings."
keywords:
  - asn
  - bgp
  - caida
  - routeviews
  - prefix-to-as
  - longest-prefix-match
authors:
  - family-names: Carisimo
    given-names: Esteban
references:
  - type: data
    title: "The CAIDA UCSD Routeviews Prefix to AS mappings Dataset (pfx2as) for IPv4 and IPv6"
    authors:
      - name: "Center for Applied Internet Data Analysis (CAIDA)"
    url: "https://www.caida.org/catalog/datasets/routeviews-prefix2as/"