Summary

Country
CZ Czechia
Organization Fiber Network S.R.O.
Domain fiber.cz
Number of IPv4 2,048
Number of IPv6 7.9228× 1028
AS Type ISP
Registry RIPE NCC
Allocated November 05, 2010 (about 13 years ago)
Updated March 27, 2020 (about 4 years ago)

IP Ranges

AS51800 announces 1 IPv4 range and 1 IPv6 range.

That's a total of 2,048 IPv4 addresses and 7.9228× 1028 IPv6 addresses.

Prefix Organization Size Registry Status
217.28.80.0/21
CZ Fiber Network S.R.O.
2,048 RIPE NCC ASSIGNED PA
Prefix Organization Size Registry Status
2a02:28a8::/32
CZ Fiber Network S.R.O.
7.9228× 1028 RIPE NCC ALLOCATED-BY-RIR

Upstreams

There are 1 upstream for AS51800:

Downstreams

There are 2 downstreams for AS51800:

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