Data as of Nov 10, 2026
Autonomous system
AS22629
Northwestern Corporation
Announces 3,072 addresses in 12 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | RPKI |
|---|---|---|
| 199.96.16.0/24 since Dec 2012 | Business | |
| 199.96.17.0/24 since May 2012 | Business | |
| 199.96.18.0/24 since May 2012 | Business | |
| 199.96.19.0/24 since May 2012 | Business | |
| 199.96.20.0/24 since May 2012 | Business | |
| 199.96.21.0/24 since May 2012 | Business | |
| 199.96.22.0/24 since May 2012 | Business | |
| 199.96.23.0/24 since May 2012 | Business | |
| 199.96.24.0/24 since Dec 2012 | Business | |
| 199.96.25.0/24 since Dec 2012 | Business | |
| 199.96.26.0/24 since Dec 2012 | Business | |
| 199.96.27.0/24 since Dec 2012 | Business |
Network & history
Profile
- Registered
- Oct 26, 2001
- Domain
- northwestern.com
- Industry
- Retail Stores, Wholesale, and E-commerce Sites
Routing patterns
How its announcements have moved
Arrivals