AS200889#1861 MARIANWITEK-AS Michal Gomolka trading as Strzyzowski.Net Spolka Komandytowa256
AS200974#1862 Advicom JSW IT SYSTEMS sp. z o.o.256
AS201125#1864 IFPS Instytut Fizjologii i Patologii Sluchu256
AS201143#1865 PL-NETcom-AS P.H.NETcom Grzegorz Czerwinski256
AS201180#1866 MSWWS MAZOWIECKI SZPITAL WOJEWODZKI IM. SW. JANA PAWLA II W SIEDLCACH sp. z o. o.256
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