AS15157
NORTHWESTERN CORPORATION — northwestern.com
Summary
| Country |
 United States
|
| Organization | NORTHWESTERN CORPORATION |
| Domain | northwestern.com |
| Number of IPv4 | 768 |
| Number of IPv6 | 0 |
| AS Type | Business |
| Registry | ARIN |
| Allocated | March 27, 2000 (about 25 years ago) |
| Updated | March 02, 2012 (about 13 years ago) |
IP Ranges
AS15157 announces 3 IPv4 ranges and 0 IPv6 range.
That's a total of 768 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 199.3.108.0/24 |
NORTHWESTERN CORPORATION
|
256 | ARIN | REASSIGNMENT |
| 199.3.109.0/24 |
NORTHWESTERN CORPORATION
|
256 | ARIN | REASSIGNMENT |
| 206.107.235.0/24 |
NORTHWESTERN CORPORATION
|
256 | ARIN | REASSIGNMENT |
Peers
AS15157 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS15157 connects to the global Internet via at least 2 upstream providers. In this setup, AS15157 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS15157 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS15157's role in extending Internet access beyond its own infrastructure.