AS203313#1258 OLDNET OldNET Krzysztof Cukierski512
AS203375#1260 mgnet-pl Michal Stanislaw Golberg tranding as - NET512
AS203505#1261 WIECZOR-NET-AS WIECZOR-NET Sieci Komputerowe, Internet Henryk Wieczorek512
AS203556#1262 PL-IDEMIA-AS203556 IDEMIA POLAND Sp. z o.o.512
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