AS61656#7676 AS61656 - AGENCIA NACIONAL DE TELECOMUNICACOES - ANATEL256
AS61721#7677 AS61721 - PETROLEO BRASILEIRO S.A. - PETROBRAS256
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources