AS53609 ArcelorMittal Dofasco G.P.
AS53609 is operated by ArcelorMittal Dofasco G.P. and registered with ARIN (CA) since 2024-08-01.
It announces 2 IPv4 and 0 IPv6 prefixes, 0% of them RPKI valid.
RIPE RIS sees 2 upstream and peer networks and 0 downstream networks next to it.
| Name | ArcelorMittal Dofasco G.P. |
|---|---|
| Registry handle | AMDOFASCO-ASN |
| Registry (RIR) | ARIN |
| Country | Canada (CA) |
| Delegated on | 2024-08-01 |
| Prefixes (IPv4 / IPv6) | 2 / 0 |
| RPKI valid | 0% (0 / 2) |
| Upstreams and peers | 2 |
| Downstream networks | 0 |
Routing health
- AS53609 announces 2 IPv4 and 0 IPv6 prefixes.
- No IPv6 prefixes announced.
- 2 announced prefixes are not covered by a ROA of AS53609 (they may have none, or another network’s).
- 2 upstreams and peers, 0 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 2
- 142.153.3.0/24
- 192.139.152.0/24
Upstreams and peers 2
The networks RIPE RIS sees next to AS53609 in BGP paths, the most visible first.
More about AS53609
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 19:12 UTC. The country is where the AS number was registered, not necessarily where the network operates.