AS21324 OSW OSRODEK STUDIoW WSCHODNICH IM. MARKA KARPIA W WARSZAWIE

OSW OSRODEK STUDIoW WSCHODNICH IM. MARKA KARPIA W WARSZAWIE · registered in Poland

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Poland#1,427largest network in PL by IPv4 space, of 2,091 · <0.01% of PL

Rank worldwide#64,198of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS21324 in ASN lookup Look up an IP in this network (195.187.133.1) All networks in Poland

IPv4 prefixes

All 1 prefix, in address order.

195.187.133.0/24

Similar-sized networks in Poland

ASNNameIPv4 addresses

AS21010#1424 KGHM-AS KGHM Polska Miedz SA256

AS21123#1425 INCENTIAS Asseco Poland S.A.256

AS21288#1426 SPRINTNET "SPRINT" S.A.256

AS21390#1428 WNET Load.me sp. z o. o.256

AS21495#1429 PZU-AS PZU Centrum Operacji S.A.256

AS24619#1430 CDMPEKAO-AS Centralny Dom Maklerski Pekao S.A.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