Report for 20510

Name

NEXUM-AS Hungary, HU

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.

20510 NEXUM-AS Hungary, HU

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS29278         RACKHOST-HU-AS RACKHOST Zrt., HU

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
12649 AS20510        ORIGIN  Originate:       7168 /19.19  Transit:          0 /0.00  NEXUM-AS Hungary, HU

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       %
15676 AS20510       NEXUM-AS Hungary, HU                               5      3      1      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  213.157.96.0/20      4777 2516 3257 29278 20510   
  213.157.112.0/21     4777 2516 3257 29278 20510 + Announce - aggregate of 213.157.112.0/22 (4777 2516 3257 29278 20510) and 213.157.116.0/22 (4777 2516 3257 29278 20510)
  213.157.112.0/22     4777 2516 3257 29278 20510 - Withdrawn - aggregated with 213.157.116.0/22 (4777 2516 3257 29278 20510)
  213.157.116.0/23     4777 2516 3257 29278 20510 - Withdrawn - aggregated with 213.157.118.0/23 (4777 2516 3257 29278 20510)
  213.157.118.0/23     4777 2516 3257 29278 20510 - Withdrawn - aggregated with 213.157.116.0/23 (4777 2516 3257 29278 20510)
  213.157.124.0/22     4777 2516 3257 29278 20510   

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

AS20510   3 More Specifics   5 Total Advertisements   NEXUM-AS Hungary, HU
    213.157.112.0/22              213.157.112.0/21
    213.157.116.0/23              213.157.112.0/21
    213.157.118.0/23              213.157.112.0/21

Whois Entry

whois: 402332

IANA has recorded AS20510 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS20510\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)