Report for 25784

Name

CSC-IGN-AMER-HOU-AS25784 - DXC US Latin America 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 AS4637) 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.

25784 CSC-IGN-AMER-HOU - Computer Sciences Corporation

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS4237    CSC-IGN-FTW - Computer Sciences Corporation

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5825  AS25784  ORIGIN  Originate:      12288 /18.42  Transit:          0 /0.00  CSC-IGN-AMER-HOU - Computer Sciences Corporation

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       %
 5734 AS25784 CSC-IGN-AMER-HOU - Computer Sciences Cor      3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  20.137.160.0/20      4637 3356 206 4237 {25784}   
  20.139.64.0/19       4637 17916 4237 {25784} + Announce - aggregate of 20.139.64.0/20 (4637 17916 4237 {25784}) and 20.139.80.0/20 (4637 17916 4237 {25784})
  20.139.64.0/20       4637 17916 4237 {25784} - Withdrawn - aggregated with 20.139.80.0/20 (4637 17916 4237 {25784})
  20.139.80.0/20       4637 17916 4237 {25784} - Withdrawn - aggregated with 20.139.64.0/20 (4637 17916 4237 {25784})

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

AS25784   3 More Specifics   3 Total Advertisements   CSC-IGN-AMER-HOU - Computer Sciences Corporation
    20.137.160.0/20               20.0.0.0/8
    20.139.64.0/20                20.0.0.0/8
    20.139.80.0/20                20.0.0.0/8

Whois Entry

whois: 402603

IANA has recorded AS25784 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS25784\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:       25784
             ASName:         CSC-IGN-AMER-HOU-AS25784
             ASHandle:       AS25784
             RegDate:        2002-05-08
             Updated:        2021-12-13
             Ref:            https://rdap.arin.net/registry/autnum/25784
             
             
             OrgName:        DXC US Latin America Corporation
             OrgId:          ESLAC
             Address:        20408 Bashan Dr
             City:           Ashburn
             StateProv:      VA
             PostalCode:     20147
             Country:        US
             RegDate:        2018-05-17
             Updated:        2023-09-20
             Ref:            https://rdap.arin.net/registry/entity/ESLAC
             
             
             OrgAbuseHandle: DSIRCC-ARIN
             OrgAbuseName:   DXC Security Incident Response Control Centre
             OrgAbusePhone:  +1-703-245-9675 
             OrgAbuseEmail:  abuse@dxc.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DSIRCC-ARIN
             
             OrgNOCHandle: ESIPA-ARIN
             OrgNOCName:   ES IPADDR
             OrgNOCPhone:  +1-800-524-7638 
             OrgNOCEmail:  ipaddr@dxc.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ESIPA-ARIN
             
             OrgTechHandle: ESIPA-ARIN
             OrgTechName:   ES IPADDR
             OrgTechPhone:  +1-800-524-7638 
             OrgTechEmail:  ipaddr@dxc.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ESIPA-ARIN
             
             OrgDNSHandle: ESIPA-ARIN
             OrgDNSName:   ES IPADDR
             OrgDNSPhone:  +1-800-524-7638 
             OrgDNSEmail:  ipaddr@dxc.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/ESIPA-ARIN
             
             OrgRoutingHandle: ESIPA-ARIN
             OrgRoutingName:   ES IPADDR
             OrgRoutingPhone:  +1-800-524-7638 
             OrgRoutingEmail:  ipaddr@dxc.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/ESIPA-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.
             #