AS204782#472 matcom MARCIN SEBASTIAN ZIOLEK trading as MATCOM2,304
AS212422#473 CERT-PL NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY2,304
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