Report for 393456

Name

X - United States 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 AS6447) 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.

393456 X, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS33154         DQECOM, US
    AS3356          LEVEL3, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
43938 AS393456       ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  X, 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       %
73942 AS393456      X, US                                              4      0      0      4      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  170.4.0.0/24         49788 174 33154 393456   
  170.191.0.0/24       57866 3356 393456      
  170.191.2.0/24       57866 3356 393456      
  199.248.185.0/24     57866 3356 393456      

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

AS393456   3 More Specifics   4 Total Advertisements   X, US
    170.4.0.0/24                  170.4.0.0/19
    170.191.0.0/24                170.191.0.0/16
    170.191.2.0/24                170.191.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS393456 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS393456\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:       393456
             ASName:         X
             ASHandle:       AS393456
             RegDate:        2014-05-27
             Updated:        2014-05-27
             Comment:        United States Steel Corp
             Comment:        www.ussteel.com
             Comment:        24/7/365 NOC Hours
             Comment:        +1-800-552-2730
             Ref:            https://rdap.arin.net/registry/autnum/393456
             
             
             OrgName:        United States Steel Corporation
             OrgId:          USSC-9
             Address:        1509 Muriel Street
             City:           Pittsburgh
             StateProv:      PA
             PostalCode:     15203
             Country:        US
             RegDate:        2011-10-04
             Updated:        2023-06-13
             Comment:        24/7/365 Help Desk:
             Comment:        
             Comment:        1-800-552-2730
             Ref:            https://rdap.arin.net/registry/entity/USSC-9
             
             
             OrgAbuseHandle: NOC12282-ARIN
             OrgAbuseName:   Network Operations Center
             OrgAbusePhone:  +1-800-552-2730 
             OrgAbuseEmail:  dp@uss.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC12282-ARIN
             
             OrgTechHandle: USSAD-ARIN
             OrgTechName:   USS Administration
             OrgTechPhone:  +1-412-433-5790 
             OrgTechEmail:  usx_domain_admin@uss.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/USSAD-ARIN
             
             OrgNOCHandle: NOC12282-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-800-552-2730 
             OrgNOCEmail:  dp@uss.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC12282-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.
             #