AS25496
Zsr - Zt Bratislava — zsr.sk
Summary
| Country |
 Slovakia
|
| Organization | Zsr - Zt Bratislava |
| Domain | zsr.sk |
| Number of IPv4 | 5,120 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | December 10, 2002 (about 22 years ago) |
| Updated | January 27, 2022 (about 3 years ago) |
IP Ranges
AS25496 announces 2 IPv4 ranges and 1 IPv6 range.
That's a total of 5,120 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 185.43.112.0/22 |
Zsr - Zt Bratislava
|
1,024 | RIPE NCC | ALLOCATED PA |
| 217.12.48.0/20 |
Railways of The Slovak Republic
|
4,096 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2a01:8a80::/32 |
Zsr - Zt Bratislava
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS25496 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
AS25496 connects to the global Internet via at least 3 upstream providers. In this setup, AS25496 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS25496 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.