Report for 30551

Name

ASC-163-ASN01 - AK Steel Corporation, US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

30551 ASC-163-ASN01 - AK Steel Corporation, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
44717 AS30551        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  ASC-163-ASN01 - AK Steel Corporation, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
38485 AS30551       ASC-163-ASN01 - AK Steel Corporation, US           2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  206.211.220.0/24     4777 2516 3356 30551   
  206.211.222.0/23     4777 2516 3356 30551   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS30551   2 More Specifics   2 Total Advertisements   ASC-163-ASN01 - AK Steel Corporation, US
    206.211.220.0/24              206.211.220.0/22
    206.211.222.0/23              206.211.220.0/22

Whois Entry

whois: 402332

IANA has recorded AS30551 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS30551\n             
             #
             # 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
             
             
             OrgAbuseHandle: ABUSE9467-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-216-694-5700 
             OrgAbuseEmail:  arinadmin@clevelandcliffs.com
             OrgAbuseRef:    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
             
             OrgNOCHandle: ABUSE9467-ARIN
             OrgNOCName:   Abuse
             OrgNOCPhone:  +1-216-694-5700 
             OrgNOCEmail:  arinadmin@clevelandcliffs.com
             OrgNOCRef:    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.
             #