Data as of Nov 8, 2026
156.144.99.0/24
No anonymizer space · no proxy exits in 30 daysCleveland Cliffs Steel LLC
Network & registry
Origin network
AS3743
US
- Name
- Cleveland Cliffs Steel LLC
- Type
- Business
- Registered
- Sep 9, 2009
- Domain
- clevelandcliffs.com
- Industry
- Automotive and Transportation
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2024
- Current origin since
- Sep 2024 · 2.1 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 156.
144. 0. 0/ 16 - Netname
- CLEVELANDCLIFFS-USA-B
- Registrant
- Cleveland Cliffs Steel LLC
- Organization
- Cleveland Cliffs Steel LLC (ARCEL-2-Z)
- Org address
- 200 Public Square, Cleveland, OH, 44114
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-156-144-0-0-1
- Parent
- NET-156-0-0-0-0
- Created
- Jan 29, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 29, 1992
- Status
- assigned
Report abuse
Abuse contact
- arinadmin@
clevelandcliffs. com - Name
- Abuse
- Phone
- +1-216-694-5700
- Handle
- ABUSE9467-ARIN