Summary

Country
CZ Czechia
Organization Freetel, S.R.O.
Domain nfx.cz
Number of IPv4 17,408
Number of IPv6 7.9228× 1028
AS Type Hosting
Registry RIPE NCC
Allocated July 17, 2006 (about 19 years ago)
Updated July 09, 2021 (about 3 years ago)

IP Ranges

AS8251 announces 6 IPv4 ranges and 1 IPv6 range.

That's a total of 17,408 IPv4 addresses and 7.9228× 1028 IPv6 addresses.

Prefix Organization Size Registry Status
31.47.96.0/20
CZ Hvfree.net Servis S.R.O.
4,096 RIPE NCC ASSIGNED PA
78.108.96.0/20
CZ Czela.net
4,096 RIPE NCC ASSIGNED PA
81.201.48.0/21
CZ Klfree.net, O.S.
2,048 RIPE NCC ASSIGNED PA
81.201.56.0/21
CZ Pilsfree, Z.S.
2,048 RIPE NCC ASSIGNED PA
185.99.64.0/22
CZ Freetel S.R.O.
1,024 RIPE NCC ASSIGNED PA
212.79.96.0/20
CZ Klfree Networks, S.R.O.
4,096 RIPE NCC ASSIGNED PA
Prefix Organization Size Registry Status
2a01:490::/32
CZ Freetel, S.R.O.
7.9228× 1028 RIPE NCC AGGREGATED-BY-LIR

Peers

AS8251 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

Upstreams

AS8251 connects to the global Internet via at least 4 upstream providers. In this setup, AS8251 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS8251 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS8251's role in extending Internet access beyond its own infrastructure.

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