CLEVELAND-CLIFFS STEEL LLC

Cleveland Cliffs Steel LLC
Data as of 2026-11-08
GLEIF verified
LEI
D2XEGTNHRGFYXR2DN361
Registered name
CLEVELAND-CLIFFS STEEL LLC
Jurisdiction
US-DE
Ultimate parent
CLEVELAND-CLIFFS INC.
549300TM2WLI2BJMDD86
This organisation
Netblocks12 · 68,864 IPv4 addresses
Record ID264742640
RegistryBGP
Owner jurisdictionUS-DE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI D2XEGTNHRGFYXR2DN361
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (12)

⬇ export CSV
CIDR Org name Registry Status Confidence
156.144.0.0/16 Cleveland Cliffs Steel LLC ARIN DIRECT ALLOCATION ● high
156.144.51.0/24 Cleveland Cliffs Steel LLC BGP ANNOUNCED ● high
156.144.99.0/24 Cleveland Cliffs Steel LLC BGP ANNOUNCED ● high
156.144.100.0/24 Cleveland Cliffs Steel LLC BGP ANNOUNCED ● high
156.144.108.0/24 Cleveland Cliffs Steel LLC BGP ANNOUNCED ● high
156.144.109.0/24 Cleveland Cliffs Steel LLC BGP ANNOUNCED ● high
156.144.208.0/24 Cleveland Cliffs Steel LLC BGP ANNOUNCED ● high
156.144.249.0/24 Cleveland Cliffs Steel LLC BGP ANNOUNCED ● high
192.137.136.0 – 192.137.142.255 CLEVELAND-CLIFFS STEEL CORPORATION ARIN ASSIGNMENT ● high
206.211.218.0 – 206.211.223.255 CLEVELAND-CLIFFS STEEL CORPORATION ARIN DIRECT ALLOCATION ● high
206.211.220.0/24 CLEVELAND-CLIFFS STEEL CORPORATION BGP ANNOUNCED ● high
206.211.222.0/23 CLEVELAND-CLIFFS STEEL CORPORATION BGP ANNOUNCED ● high

Footprint over time

20 weekly snapshots · JSON
12 +1 netblocks since 2026-07-05
2026-07-05 peak 12 2026-11-08

NIC Handles

ABUSE9467-ARIN ABUSE9467-ARIN ABUSE9467-ARIN ABUSE9467-ARIN ARCEL-2-Z AS30551 AS3743 ASC-163