Data as of Nov 10, 2026
Autonomous system
AS3743
Cleveland Cliffs Steel LLC
Announces 1,792 addresses in 7 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | RPKI |
|---|---|---|
| 156.144.51.0/24 since Mar 2020 | Business | |
| 156.144.99.0/24 since Sep 2024 | Business | |
| 156.144.100.0/24 since Sep 2024 | Business | |
| 156.144.108.0/24 since Mar 2020 | Business | |
| 156.144.109.0/24 since Sep 2024 | Business | |
| 156.144.208.0/24 since Oct 2009 | Business | |
| 156.144.249.0/24 since Sep 2024 | Business |
Network & history
Profile
- Registered
- Sep 9, 2009
- Domain
- clevelandcliffs.com
- Industry
- Automotive and Transportation
Routing patterns
How its announcements have moved
Arrivals