AS8251 NFX_ZSPO FreeTel, s.r.o.

NFX_ZSPO FreeTel, s.r.o. · registered in Czechia

IPv4 addresses17,4085 prefixes · <0.001% of announced IPv4

Rank in Czechia#35largest network in CZ by IPv4 space, of 570 · 0.21% of CZ

Rank worldwide#6,623of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryCzechia599 ASNs registered there

Open AS8251 in ASN lookup Look up an IP in this network (31.47.96.1) All networks in Czechia

IPv4 prefixes

All 5 prefixes, in address order.

31.47.96.0/20
78.108.96.0/20
81.201.48.0/20
185.99.64.0/22
212.79.96.0/20

IPv6 prefixes

All 1 prefix.

2a01:490::/32

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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