AS21525
Seattle Public Library — spl.org
Summary
| Country |
 United States
|
| Organization | Seattle Public Library |
| Domain | spl.org |
| Number of IPv4 | 4,096 |
| Number of IPv6 | 1.2089× 1024 |
| AS Type | Education |
| Registry | ARIN |
| Allocated | May 16, 2001 (about 24 years ago) |
| Updated | March 02, 2012 (about 13 years ago) |
IP Ranges
AS21525 announces 1 IPv4 range and 1 IPv6 range.
That's a total of 4,096 IPv4 addresses and 1.2089× 1024 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 66.212.64.0/20 |
Seattle Public Library
|
4,096 | ARIN | ALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2620:18::/48 |
Seattle Public Library
|
1.2089× 1024 | ARIN | ALLOCATION |
Peers
AS21525 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
AS21525 connects to the global Internet via at least 3 upstream providers. In this setup, AS21525 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS21525 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.