AS3743 Cleveland Cliffs Steel LLC

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AS3743 – Cleveland Cliffs Steel LLC

AS Number	3743
AS Name
Organization	Cleveland Cliffs Steel LLC(arcel-2)
Country	US
Website	clevelandcliffs.com
Number of IPv4 Routes	7
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status
Registry	ARIN
Date Allocated	N/A

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
156.144.51.0/24	AS3743	Cleveland Cliffs Steel LLC	Cleveland Cliffs Steel LLC	256
156.144.100.0/24	AS3743	Cleveland Cliffs Steel LLC	Cleveland Cliffs Steel LLC	256
156.144.249.0/24	AS3743	Cleveland Cliffs Steel LLC	Cleveland Cliffs Steel LLC	256
156.144.108.0/24	AS3743	Cleveland Cliffs Steel LLC	Cleveland Cliffs Steel LLC	256
156.144.99.0/24	AS3743	Cleveland Cliffs Steel LLC	Cleveland Cliffs Steel LLC	256
156.144.208.0/24	AS3743	Cleveland Cliffs Steel LLC	Cleveland Cliffs Steel LLC	256
156.144.109.0/24	AS3743	Cleveland Cliffs Steel LLC	Cleveland Cliffs Steel LLC	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       3743
ASName:         ARCEL-2
ASHandle:       AS3743
RegDate:        2009-09-09
Updated:        2023-06-30
Comment:        WDS3-ARIN00    
Ref:            https://rdap.arin.net/registry/autnum/3743


OrgName:        Cleveland Cliffs Steel LLC
OrgId:          ARCEL-2
Address:        1 SOUTH DEARBORN, 19TH FLOOR
City:           CHICAGO
StateProv:      IL
PostalCode:     60603
Country:        US
RegDate:        2009-08-14
Updated:        2025-11-24
Ref:            https://rdap.arin.net/registry/entity/ARCEL-2


OrgAbuseHandle: ABUSE9467-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-216-694-5700 
OrgAbuseEmail:  arinadmin@clevelandcliffs.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9467-ARIN

OrgNOCHandle: ABUSE9467-ARIN
OrgNOCName:   Abuse
OrgNOCPhone:  +1-216-694-5700 
OrgNOCEmail:  arinadmin@clevelandcliffs.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ABUSE9467-ARIN

OrgTechHandle: ABUSE9467-ARIN
OrgTechName:   Abuse
OrgTechPhone:  +1-216-694-5700 
OrgTechEmail:  arinadmin@clevelandcliffs.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ABUSE9467-ARIN

RTechHandle: MPC47-ARIN
RTechName:   Collins, Michelle P
RTechPhone:  +1-513-425-5000 
RTechEmail:  michelle.collins@clevelandcliffs.com
RTechRef:    https://rdap.arin.net/registry/entity/MPC47-ARIN

RNOCHandle: MPC47-ARIN
RNOCName:   Collins, Michelle P
RNOCPhone:  +1-513-425-5000 
RNOCEmail:  michelle.collins@clevelandcliffs.com
RNOCRef:    https://rdap.arin.net/registry/entity/MPC47-ARIN

RAbuseHandle: MPC47-ARIN
RAbuseName:   Collins, Michelle P
RAbusePhone:  +1-513-425-5000 
RAbuseEmail:  michelle.collins@clevelandcliffs.com
RAbuseRef:    https://rdap.arin.net/registry/entity/MPC47-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#