AS21896
Alliant Energy — alliantenergy.com
Summary
| Country |
 United States
|
| Organization | Alliant Energy |
| Domain | alliantenergy.com |
| Number of IPv4 | 4,096 |
| Number of IPv6 | 0 |
| AS Type | Business |
| Registry | ARIN |
| Allocated | January 08, 2009 (about 16 years ago) |
| Updated | March 02, 2012 (about 13 years ago) |
IP Ranges
AS21896 announces 8 IPv4 ranges and 0 IPv6 range.
That's a total of 4,096 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 198.7.38.0/23 |
Alliant Energy
|
512 | ARIN | ALLOCATION |
| 198.7.42.0/23 |
Alliant Energy
|
512 | ARIN | ALLOCATION |
| 198.7.44.0/23 |
Alliant Energy
|
512 | ARIN | ALLOCATION |
| 198.7.46.0/23 |
Alliant Energy
|
512 | ARIN | ALLOCATION |
| 207.71.128.0/23 |
Alliant Energy
|
512 | ARIN | ALLOCATION |
| 207.71.134.0/23 |
Alliant Energy
|
512 | ARIN | ALLOCATION |
| 207.71.136.0/23 |
Alliant Energy
|
512 | ARIN | ALLOCATION |
| 207.71.142.0/23 |
Alliant Energy
|
512 | ARIN | ALLOCATION |
Peers
AS21896 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
AS21896 connects to the global Internet via at least 3 upstream providers. In this setup, AS21896 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS21896 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.