Report for 51401

Name

ARVATO-SYSTEMS-AS Arvato Systems Digital Perdata, DE

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.

51401 ARVATO-SYSTEMS-AS Arvato Systems Digital Perdata, DE

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS33873         ARVATO-SYSTEMS-AS *, DE

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
12758 AS51401        ORIGIN  Originate:       7168 /19.19  Transit:          0 /0.00  ARVATO-SYSTEMS-AS Arvato Systems Digital Perdata, DE

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       %
12847 AS51401       ARVATO-SYSTEMS-AS Arvato Systems Digital Perd      9      6      3      6      3  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  83.137.32.0/21       4777 2516 5400 33873 33873 33873 33873 33873 33873 51401   
  83.137.32.0/21       4777 2497 1299 34309 33873 51401 + Announce - aggregate of 83.137.32.0/22 (4777 2497 1299 34309 33873 51401) and 83.137.36.0/22 (4777 2497 1299 34309 33873 51401)
  83.137.32.0/22       4777 2497 1299 34309 33873 51401 - Withdrawn - aggregated with 83.137.36.0/22 (4777 2497 1299 34309 33873 51401)
  83.137.36.0/22       4777 2497 1299 34309 33873 51401 - Withdrawn - aggregated with 83.137.32.0/22 (4777 2497 1299 34309 33873 51401)
  185.91.104.0/22      4777 2497 5400 33873 33873 33873 33873 33873 33873 51401   
  185.91.104.0/22      4777 2497 1299 34309 33873 51401 + Announce - aggregate of 185.91.104.0/23 (4777 2497 1299 34309 33873 51401) and 185.91.106.0/23 (4777 2497 1299 34309 33873 51401)
  185.91.104.0/23      4777 2497 1299 34309 33873 51401 - Withdrawn - aggregated with 185.91.106.0/23 (4777 2497 1299 34309 33873 51401)
  185.91.106.0/23      4777 2497 1299 34309 33873 51401 - Withdrawn - aggregated with 185.91.104.0/23 (4777 2497 1299 34309 33873 51401)
  193.28.78.0/23       4777 2497 5400 33873 33873 33873 33873 33873 33873 51401   
  193.28.78.0/23       4777 2497 1299 34309 33873 51401 + Announce - aggregate of 193.28.78.0/24 (4777 2497 1299 34309 33873 51401) and 193.28.79.0/24 (4777 2497 1299 34309 33873 51401)
  193.28.78.0/24       4777 2497 1299 34309 33873 51401 - Withdrawn - aggregated with 193.28.79.0/24 (4777 2497 1299 34309 33873 51401)
  193.28.79.0/24       4777 2497 1299 34309 33873 51401 - Withdrawn - aggregated with 193.28.78.0/24 (4777 2497 1299 34309 33873 51401)

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

AS51401   7 More Specifics   9 Total Advertisements   ARVATO-SYSTEMS-AS Arvato Systems Digital Perdata, DE
    83.137.32.0/22                83.137.32.0/21
    83.137.36.0/22                83.137.32.0/21
    185.91.104.0/23               185.91.104.0/22
    185.91.106.0/23               185.91.104.0/22
    193.28.78.0/23                193.28.72.0/21
    193.28.78.0/24                193.28.72.0/21
    193.28.79.0/24                193.28.72.0/21

Whois Entry

whois: 402332

IANA has recorded AS51401 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS51401\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)