Summary

Country
CZ Czechia
Organization Core4net, S.R.O.
Domain core4net.cz
Number of IPv4 5,888
Number of IPv6 7.9228× 1028
AS Type Hosting
Registry RIPE NCC
Allocated October 11, 2010 (about 14 years ago)
Updated June 12, 2024 (about 10 months ago)

IP Ranges

AS197307 announces 4 IPv4 ranges and 1 IPv6 range.

That's a total of 5,888 IPv4 addresses and 7.9228× 1028 IPv6 addresses.

Prefix Organization Size Registry Status
79.142.144.0/20
CZ Hranex S.R.O.
4,096 RIPE NCC ASSIGNED PA
185.51.28.0/22
CZ Clients Behind The Nat
1,024 RIPE NCC ASSIGNED PA
185.180.0.0/23
CZ Core4net, S.R.O.
512 RIPE NCC ALLOCATED PA
185.180.1.0/24
CZ Clients Behind The Nat
256 RIPE NCC ASSIGNED PA
Prefix Organization Size Registry Status
2a02:24c0::/32
CZ Bnet Business, S.R.O.
7.9228× 1028 RIPE NCC ASSIGNED

Peers

AS197307 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

AS197307 connects to the global Internet via at least 2 upstream providers. In this setup, AS197307 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS197307 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.

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