AS53609 ArcelorMittal Dofasco G.P. 🇨🇦 CA

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes

512 (2 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS53609
Name: ArcelorMittal Dofasco G.P.
Organisation: ArcelorMittal Dofasco G.P.
Country: 🇨🇦 CA
RIR: ARIN
Allocated: 2024-08-01

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 2 no ROA (100.0%)

Whois

Fetched from whois.arin.net

ASNumber:       53609
ASName:         AMDOFASCO-ASN
ASHandle:       AS53609
RegDate:        2024-08-01
Updated:        2024-08-01
Ref:            https://rdap.arin.net/registry/autnum/53609

OrgName:        ArcelorMittal Dofasco G.P.
OrgId:          ACMAC
Address:        1330 Burlington Street East
City:           Hamilton
StateProv:      ON
PostalCode:     L8N 3J5
Country:        CA
RegDate:        2021-06-22
Updated:        2025-08-20
Ref:            https://rdap.arin.net/registry/entity/ACMAC

OrgTechHandle: TIZZA-ARIN
OrgTechName:   Tizzard, Mark
OrgTechPhone:  +1-289-407-9897
OrgTechEmail:  mark.tizzard@arcelormittal.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TIZZA-ARIN

OrgTechHandle: LLL24-ARIN
OrgTechName:   Lilly, Louise Louise
OrgTechPhone:  +1-905-548-7200
OrgTechEmail:  LOUISE.LILLY@ARCELORMITTAL.COM
OrgTechRef:    https://rdap.arin.net/registry/entity/LLL24-ARIN

OrgAbuseHandle: LLL24-ARIN
OrgAbuseName:   Lilly, Louise Louise
OrgAbusePhone:  +1-905-548-7200
OrgAbuseEmail:  LOUISE.LILLY@ARCELORMITTAL.COM
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LLL24-ARIN

OrgAbuseHandle: TIZZA-ARIN
OrgAbuseName:   Tizzard, Mark
OrgAbusePhone:  +1-289-407-9897
OrgAbuseEmail:  mark.tizzard@arcelormittal.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TIZZA-ARIN