AS50163 altnet-skvelynet Altnet s.r.o.

altnet-skvelynet Altnet s.r.o. · registered in Czechia

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in Czechia#205largest network in CZ by IPv4 space, of 570 · 0.02% of CZ

Rank worldwide#21,592of 79,396 networks with IPv4

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

CountryCzechia599 ASNs registered there

Open AS50163 in ASN lookup Look up an IP in this network (109.71.208.1) All networks in Czechia

IPv4 prefixes

All 1 prefix, in address order.

109.71.208.0/21

IPv6 prefixes

All 1 prefix.

2a03:e00::/32

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AS50348#206 KVADOS KVADOS, a.s.2,048

AS50971#207 JHCOMP-AS JHComp s.r.o.2,048

AS51800#208 FIBERNET-ASN FIBER Network s.r.o.2,048

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