AS204837#1278 SOSNOWIEC SOSNOWIEC - MIASTO NA PRAWACH POWIATU512
AS204864#1279 CKPARTNET CENTRUM KOMPUTEROWE "PARTNET" MIROSLAW WOLSZLEGIER512
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