AS216323 FASTAR FASTAR Sp. z o.o.

FASTAR FASTAR Sp. z o.o. · registered in Poland

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in Poland#1,044largest network in PL by IPv4 space, of 2,091 · <0.01% of PL

Rank worldwide#45,787of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS216323 in ASN lookup Look up an IP in this network (45.11.199.1) All networks in Poland

IPv4 prefixes

All 3 prefixes, in address order.

45.11.199.0/24
45.131.35.0/24
185.190.44.0/24

Similar-sized networks in Poland

ASNNameIPv4 addresses

AS210391#1041 CODEPLANT-AS Codeplant Sp. z o. o.768

AS211528#1042 tauron-as TAURON Obsluga Klienta Sp. z o.o.768

AS212344#1043 AS_FORLAN SPOLKA 4LAN BOGDANOW, KARKOS, OPARA, SZUMNY, WOJCIECHOWSKI SPOLKA JAWNA768

AS206793#1045 EUROCONN EuroCon Global SP Z O.O.512

AS208566#1046 giveme-waw GIVEME CLOUD SP Z O O512

AS204880#1047 HSWAW-BGPWTF Stowarzyszenie "Warszawski Hackerspace"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