AS15851
Wroclaw Centre of Networking And Supercomputing — wroc.pl
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Summary
| Country |
 Poland
|
| Organization | Wroclaw Centre of Networking And Supercomputing |
| Domain | wroc.pl |
| Number of IPv4 | 24,576 |
| Number of IPv6 | 4.9518× 1027 |
| AS Type | Hosting |
| Registry | RIPE NCC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | November 15, 2017 (about 8 years ago) |
IP Ranges
AS15851 announces 2 IPv4 ranges and 1 IPv6 range.
That's a total of 24,576 IPv4 addresses and 4.9518× 1027 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 212.127.64.0/19 |
Wcss Network Destinated for Commercial Users.
|
8,192 | RIPE NCC | ASSIGNED PA |
| 213.231.192.0/18 |
Network Destinated for Commercial Backbone Infrastructure
|
16,384 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:a48:8000::/36 |
WCSS-IPv6
|
4.9518× 1027 | RIPE NCC | ASSIGNED |
Peers
AS15851 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
AS15851 connects to the global Internet via at least 3 upstream providers. In this setup, AS15851 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS15851 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS15851's role in extending Internet access beyond its own infrastructure.