Report for 43259

Name

LEIDOS-UK - Leidos Innovations UK LTD, GB

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.

43259 LEIDOS-UK - Leidos Innovations UK LTD, GB

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS2856          BT-UK-AS - British Telecommunications PLC, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
50112 AS43259        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  LEIDOS-UK - Leidos Innovations UK LTD, GB

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       %
22631 AS43259       LEIDOS-UK - Leidos Innovations UK LTD, GB          2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  89.145.170.0/23      4777 2497 5400 2856 43259 + Announce - aggregate of 89.145.170.0/24 (4777 2497 5400 2856 43259) and 89.145.171.0/24 (4777 2497 5400 2856 43259)
  89.145.170.0/24      4777 2497 5400 2856 43259 - Withdrawn - aggregated with 89.145.171.0/24 (4777 2497 5400 2856 43259)
  89.145.171.0/24      4777 2497 5400 2856 43259 - Withdrawn - aggregated with 89.145.170.0/24 (4777 2497 5400 2856 43259)

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

AS43259   2 More Specifics   2 Total Advertisements   LEIDOS-UK - Leidos Innovations UK LTD, GB
    89.145.170.0/24               89.145.168.0/21
    89.145.171.0/24               89.145.168.0/21

Whois Entry

whois: 402603

IANA has recorded AS43259 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS43259\n             % This is the RIPE Database query service.
             % The objects are in RPSL format.
             %
             % The RIPE Database is subject to Terms and Conditions.
             % See https://docs.db.ripe.net/terms-conditions.html
             
             %ERROR:201: access denied for 203.119.110.26
             %
             % Queries from your IP address have passed the daily limit of controlled objects.
             % Access from your host has been temporarily denied.
             % For more information, see
             % https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)