AS30551 - ASC-163-ASN01 - CLEVELAND-CLIFFS STEEL CORPORATION, US

United States
AS Number
AS30551
AS Name
ASC-163-ASN01
Org Name
CLEVELAND-CLIFFS STEEL CORPORATION
Country / Region
United States
Registry

arin

RegDate

2002-12-17

Updated

2026-05-05

AS30551 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

0

IPv4 NUMs

768

IPv6 NUMs(/64)

0

CIDR Description IP Num
206.211.220.0/24
IRR Parent Valid
AK Steel Corporation 256
206.211.222.0/23
IRR Parent Valid
AK Steel Corporation 512
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1000 LINK-AMERICAN - LINK AMERICAN, US United States 0 0 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4
AS46887 ZAYO-CCF-AS46887 - Zayo Bandwidth, US United States 862,976 17,180,327,936 IPv4 IPv4 
ASNumber:       30551
ASName:         ASC-163-ASN01
ASHandle:       AS30551
RegDate:        2003-11-04
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/30551

OrgID:          ASC-163
OrgName:        CLEVELAND-CLIFFS STEEL CORPORATION
CanAllocate:    
Street:         200 Public Square
Street:         IT Department
City:           Cleveland
State/Prov:     OH
Country:        US
PostalCode:     44114
Comment:        Company Website: www.clevelandcliffs.com
RegDate:        2002-12-17
Updated:        2026-05-05
OrgAdminHandle  ABUSE9467-ARIN
OrgTechHandle   ABUSE9467-ARIN
OrgAbuseHandle  ABUSE9467-ARIN
OrgNOCHandle    ABUSE9467-ARIN
Source:         ARIN

OrgAdminHandleHandle:  ABUSE9467-ARIN
OrgAdminHandleName:    Abuse, 
OrgAdminHandlePhone:   +1-216-694-5700
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/ABUSE9467-ARIN

OrgTechHandleHandle:  ABUSE9467-ARIN
OrgTechHandleName:    Abuse, 
OrgTechHandlePhone:   +1-216-694-5700
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/ABUSE9467-ARIN

OrgAbuseHandleHandle:  ABUSE9467-ARIN
OrgAbuseHandleName:    Abuse, 
OrgAbuseHandlePhone:   +1-216-694-5700
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/ABUSE9467-ARIN

OrgNOCHandleHandle:  ABUSE9467-ARIN
OrgNOCHandleName:    Abuse, 
OrgNOCHandlePhone:   +1-216-694-5700
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/ABUSE9467-ARIN