AS Number
AS53609
AS Name
AMDOFASCO-ASN
Org Name
ArcelorMittal Dofasco G.P.
Country / Region
Canada
Registry

arin

RegDate

2021-06-22

Updated

2025-08-20

AS53609 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

0

IPv4 NUMs

512

IPv6 NUMs(/64)

0

CIDR Description IP Num
142.153.3.0/24
ArcelorMittal Dofasco G.P. 256
192.139.152.0/24
IRR InValid
ArcelorMittal Dofasco G.P. 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS577 BACOM - Bell Canada, CA Canada 7,030,784 8,769,044,480 IPv4 IPv4
AS812 ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc., CA Canada 5,784,064 21,474,902,016 IPv4 IPv4

Whois Record

ASNumber 53609

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

OrgID ACMAC

OrgID
ACMAC
OrgName
ArcelorMittal Dofasco G.P.
CanAllocate
Street
1330 Burlington Street East
City
Hamilton
State/Prov
ON
Country
CA
PostalCode
L8N 3J5
RegDate
2021-06-22
Updated
2025-08-20
OrgAdminHandle
TIZZA-ARIN
OrgTechHandle
LLL24-ARIN
TIZZA-ARIN
OrgAbuseHandle
LLL24-ARIN
TIZZA-ARIN
Source
ARIN

OrgAdminHandleHandle TIZZA-ARIN

OrgAdminHandleHandle
TIZZA-ARIN
OrgAdminHandleName
Tizzard, Mark
OrgAdminHandlePhone
+1-905-548-7200
OrgAdminHandleEmail
mark.tizzard@arcelormittal.com
OrgAdminHandleRef
https://rdap.arin.net/registry/entity/TIZZA-ARIN

OrgTechHandleHandle LLL24-ARIN

OrgTechHandleHandle
LLL24-ARIN
OrgTechHandleName
Lilly, Louise
OrgTechHandlePhone
+1-905-548-7200
OrgTechHandleEmail
LOUISE.LILLY@ARCELORMITTAL.COM
OrgTechHandleRef
https://rdap.arin.net/registry/entity/LLL24-ARIN

OrgTechHandleHandle TIZZA-ARIN

OrgTechHandleHandle
TIZZA-ARIN
OrgTechHandleName
Tizzard, Mark
OrgTechHandlePhone
+1-905-548-7200
OrgTechHandleEmail
mark.tizzard@arcelormittal.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/TIZZA-ARIN

OrgAbuseHandleHandle LLL24-ARIN

OrgAbuseHandleHandle
LLL24-ARIN
OrgAbuseHandleName
Lilly, Louise
OrgAbuseHandlePhone
+1-905-548-7200
OrgAbuseHandleEmail
LOUISE.LILLY@ARCELORMITTAL.COM
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/LLL24-ARIN

OrgAbuseHandleHandle TIZZA-ARIN

OrgAbuseHandleHandle
TIZZA-ARIN
OrgAbuseHandleName
Tizzard, Mark
OrgAbuseHandlePhone
+1-905-548-7200
OrgAbuseHandleEmail
mark.tizzard@arcelormittal.com
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/TIZZA-ARIN

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

OrgID:          ACMAC
OrgName:        ArcelorMittal Dofasco G.P.
CanAllocate:    
Street:         1330 Burlington Street East
City:           Hamilton
State/Prov:     ON
Country:        CA
PostalCode:     L8N 3J5
RegDate:        2021-06-22
Updated:        2025-08-20
OrgAdminHandle  TIZZA-ARIN
OrgTechHandle   LLL24-ARIN
OrgTechHandle   TIZZA-ARIN
OrgAbuseHandle  LLL24-ARIN
OrgAbuseHandle  TIZZA-ARIN
Source:         ARIN

OrgAdminHandleHandle:  TIZZA-ARIN
OrgAdminHandleName:    Tizzard, Mark
OrgAdminHandlePhone:   +1-905-548-7200
OrgAdminHandleEmail:   mark.tizzard@arcelormittal.com
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/TIZZA-ARIN

OrgTechHandleHandle:  LLL24-ARIN
OrgTechHandleName:    Lilly, Louise
OrgTechHandlePhone:   +1-905-548-7200
OrgTechHandleEmail:   LOUISE.LILLY@ARCELORMITTAL.COM
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/LLL24-ARIN

OrgTechHandleHandle:  TIZZA-ARIN
OrgTechHandleName:    Tizzard, Mark
OrgTechHandlePhone:   +1-905-548-7200
OrgTechHandleEmail:   mark.tizzard@arcelormittal.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/TIZZA-ARIN

OrgAbuseHandleHandle:  LLL24-ARIN
OrgAbuseHandleName:    Lilly, Louise
OrgAbuseHandlePhone:   +1-905-548-7200
OrgAbuseHandleEmail:   LOUISE.LILLY@ARCELORMITTAL.COM
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/LLL24-ARIN

OrgAbuseHandleHandle:  TIZZA-ARIN
OrgAbuseHandleName:    Tizzard, Mark
OrgAbuseHandlePhone:   +1-905-548-7200
OrgAbuseHandleEmail:   mark.tizzard@arcelormittal.com
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/TIZZA-ARIN