ASN Lookup Tool

AK Steel Corporation clevelandcliffs.com US US 2 Routes

AS Data

AS30551

AS30551 – AK Steel Corporation

AS Number 30551
AS Name ASC-163-ASN01
Organization AK Steel Corporation(asc-163)
Country US
Website clevelandcliffs.com
Number of IPv4 Routes 2
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2003-11-04

ASN Intelligence API for production workflows

Use ASN data for AS30551 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
206.211.222.0/23 512
206.211.220.0/24 256

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 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       30551
ASName:         ASC-163-ASN01
ASHandle:       AS30551
RegDate:        2003-11-04
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/30551


OrgName:        AK Steel Corporation
OrgId:          ASC-163
Address:        200 Public Square
Address:        IT Department
City:           Cleveland
StateProv:      OH
PostalCode:     44114
Country:        US
RegDate:        2002-12-17
Updated:        2025-11-04
Comment:        Company Website: www.clevelandcliffs.com
Ref:            https://rdap.arin.net/registry/entity/ASC-163


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

OrgAbuseHandle: ABUSE9467-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-216-694-5700 
OrgAbuseEmail:  arinadmin@clevelandcliffs.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9467-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 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS46887 Crown Castle Fiber LLC US
AS3549 Level 3 Communications, Inc. (GBLX) US
AS3549 Level 3 Parent, LLC US
AS3356 Level 3 Parent, LLC US

Upstreams

AS Number Description Country
AS46887 Crown Castle Fiber LLC US
AS3356 Level 3 Parent, LLC US

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Frequently Asked Questions

ASN AS30551 is an Autonomous System Number used to identify a network for BGP internet routing.
AS30551 is listed under AK Steel Corporation.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.