AS8251
Freetel, S.R.O. — nfx.cz
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Summary
| Country |
 Czechia
|
| Organization | Freetel, S.R.O. |
| Domain | nfx.cz |
| Number of IPv4 | 17,408 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | July 17, 2006 (about 19 years ago) |
| Updated | July 09, 2021 (about 4 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 |
Hvfree.net Servis S.R.O.
|
4,096 | RIPE NCC | ASSIGNED PA |
| 78.108.96.0/20 |
Czela.net
|
4,096 | RIPE NCC | ASSIGNED PA |
| 81.201.48.0/21 |
Klfree.net, O.S.
|
2,048 | RIPE NCC | ASSIGNED PA |
| 81.201.56.0/21 |
Pilsfree, Z.S.
|
2,048 | RIPE NCC | ASSIGNED PA |
| 185.99.64.0/22 |
Freetel S.R.O.
|
1,024 | RIPE NCC | ASSIGNED PA |
| 212.79.96.0/20 |
Klfree Networks, S.R.O.
|
4,096 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2a01:490::/32 |
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 3 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.