Summary

Country
CZ Czechia
Organization Radiokomunikace A.S.
Domain bluetone.cz
Number of IPv4 106,752
Number of IPv6 1.5846× 1029
AS Type ISP
Registry RIPE NCC
Allocated September 20, 2002 (about 22 years ago)
Updated April 01, 2025 (about 15 days ago)

IP Ranges

AS25248 announces 5 IPv4 ranges and 3 IPv6 ranges.

That's a total of 106,752 IPv4 addresses and 1.5846× 1029 IPv6 addresses.

Prefix Organization Size Registry Status
82.99.128.0/18
CZ Wifcom A.S.
16,384 RIPE NCC ASSIGNED PA
84.244.64.0/18
CZ Ralsko Net S.R.O.
16,384 RIPE NCC ASSIGNED PA
85.207.0.0/16
CZ Server Housing Dc Tower
65,536 RIPE NCC ASSIGNED PA
193.32.56.0/24
CZ Mesto Jicin
256 RIPE NCC ASSIGNED PI
212.158.128.0/19
CZ Servers Bluetone
8,192 RIPE NCC ASSIGNED PA
Prefix Organization Size Registry Status
2001:67c:2100::/48
CZ Profinet S.R.O.
1.2089× 1024 RIPE NCC ASSIGNED PI
2a02:a40::/32
CZ Radiokomunikace A.S.
7.9228× 1028 RIPE NCC ALLOCATED-BY-RIR
2a02:a41::/32
CZ Radiokomunikace A.S.
7.9228× 1028 RIPE NCC ALLOCATED-BY-RIR

Peers

AS25248 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

AS25248 connects to the global Internet via at least 2 upstream providers. In this setup, AS25248 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS25248 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS25248's role in extending Internet access beyond its own infrastructure.

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