AS57801 SK-NIC-AS SK-NIC, a.s.

SK-NIC-AS SK-NIC, a.s. · registered in Slovakia

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in Slovakia#135largest network in SK by IPv4 space, of 191 · 0.02% of SK

Rank worldwide#48,070of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountrySlovakia196 ASNs registered there

Open AS57801 in ASN lookup Look up an IP in this network (109.71.66.1) All networks in Slovakia

IPv4 prefixes

All 2 prefixes, in address order.

109.71.66.0/24
185.16.187.0/24

IPv6 prefixes

All 2 prefixes.

2a02:6300:30::/48
2a04:2b00:100::/48

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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