Report for 399361

Name

ALCOA-CORP - Alcoa USA Corp., 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.

399361 ALCOA-CORP - Alcoa USA Corp., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS1221          ASN-TELSTRA - Telstra Limited, AU

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21304 AS399361       ORIGIN  Originate:       3072 /20.42  Transit:          0 /0.00  ALCOA-CORP - Alcoa USA Corp., 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       %
76706 AS399361      ALCOA-CORP - Alcoa USA Corp., US                   8      0      0      8      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  142.79.176.0/23      4608 1221 399361       
  142.79.177.0/24      4777 2516 174 399361   
  142.79.178.0/23      4777 2516 174 399361   
  142.79.179.0/24      4608 1221 399361       
  142.79.180.0/23      4608 1221 399361       
  142.79.180.0/24      4777 2516 174 399361   
  142.79.182.0/23      4777 2516 174 399361   
  142.79.182.0/24      4608 1221 399361       

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

AS399361   8 More Specifics   8 Total Advertisements   ALCOA-CORP - Alcoa USA Corp., US
    142.79.176.0/23               142.79.128.0/18
    142.79.177.0/24               142.79.128.0/18
    142.79.178.0/23               142.79.128.0/18
    142.79.179.0/24               142.79.128.0/18
    142.79.180.0/23               142.79.128.0/18
    142.79.180.0/24               142.79.128.0/18
    142.79.182.0/23               142.79.128.0/18
    142.79.182.0/24               142.79.128.0/18

Whois Entry

whois: 402609

IANA has recorded AS399361 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS399361\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:       399361
             ASName:         ALCOA-CORP
             ASHandle:       AS399361
             RegDate:        2021-02-17
             Updated:        2021-02-17
             Ref:            https://rdap.arin.net/registry/autnum/399361
             
             
             OrgName:        Alcoa USA Corp.
             OrgId:          AUC-68
             Address:        201 Isabella St.
             City:           Pittsburgh
             StateProv:      PA
             PostalCode:     15212
             Country:        US
             RegDate:        2016-05-09
             Updated:        2021-02-09
             Ref:            https://rdap.arin.net/registry/entity/AUC-68
             
             
             OrgTechHandle: ZA122-ARIN
             OrgTechName:   Alcoa
             OrgTechPhone:  +1-412-315-2900 
             OrgTechEmail:  ip.address@alcoa.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ZA122-ARIN
             
             OrgTechHandle: COPEL173-ARIN
             OrgTechName:   Copeland, Daniel 
             OrgTechPhone:  +1-724-393-3283 
             OrgTechEmail:  daniel.copeland@alcoa.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/COPEL173-ARIN
             
             OrgAbuseHandle: COPEL173-ARIN
             OrgAbuseName:   Copeland, Daniel 
             OrgAbusePhone:  +1-724-393-3283 
             OrgAbuseEmail:  daniel.copeland@alcoa.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/COPEL173-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.
             #