UNITED STATES STEEL CORPORATION

United States Steel Corporation
GLEIF verified
LEI
JNLUVFYJT1OZSIQ24U47
Registered name
UNITED STATES STEEL CORPORATION
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks8 · 113,656 IPv4 addresses
All fragments 14,959 blocks across 26 clusters
Cluster ID208810594
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI JNLUVFYJT1OZSIQ24U47
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
8 0 netblocks since 2026-07-05
2026-07-05 peak 8 2026-07-19

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
170.4.0.0/24 United States Steel Corporation BGP ANNOUNCED ● high
170.191.0.0/24 United States Steel Corporation BGP ANNOUNCED ● high
170.191.2.0/24 United States Steel Corporation BGP ANNOUNCED ● high
199.248.185.0/24 United States Steel Corporation BGP ANNOUNCED ● high
170.4.0.0/19 United States Steel Corporation ARIN DIRECT ALLOCATION ● low
170.4.64.0 – 170.4.167.255 United States Steel Corporation ARIN DIRECT ALLOCATION ● low
170.4.208.0 – 170.4.255.255 United States Steel Corporation ARIN DIRECT ALLOCATION ● low
170.191.0.0/16 United States Steel Corporation ARIN DIRECT ALLOCATION ● low

NIC Handles

AS393456 NOC12282-ARIN NOC12282-ARIN USSAD-ARIN USSAD-ARIN USSC-9