Report for 25829

Name

SMITHSONIAN - Smithsonian Institution, 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.

25829 SMITHSONIAN - Smithsonian Institution, US

  Adjacency:     4  Upstream:     3  Downstream:     1
  Upstream Adjacent AS list
    AS11537         INTERNET2-RESEARCH-EDU - Internet2, US
    AS11164         INTERNET2-I2PX - Internet2, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
  Downstream Adjacent AS list
    AS27922         AS27922 - Smithsonian Tropical Research Institute, PA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3945  AS25829        ORG+TRN Originate:      63744 /16.04  Transit:       3328 /20.30 SMITHSONIAN - Smithsonian Institution, 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       %
37211 AS25829       SMITHSONIAN - Smithsonian Institution, US          6      0      0      6      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  38.127.143.0/24      4608 7575 11537 25829   
  160.111.0.0/17       4608 7575 11537 25829   
  160.111.128.0/18     4608 7575 11537 25829   
  160.111.192.0/19     4608 7575 11537 25829   
  160.111.224.0/21     4608 7575 11537 25829   
  160.111.240.0/20     4608 7575 11537 25829   

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

AS25829   6 More Specifics   6 Total Advertisements   SMITHSONIAN - Smithsonian Institution, US
    38.127.143.0/24               38.0.0.0/8
    160.111.0.0/17                160.111.0.0/16
    160.111.128.0/18              160.111.0.0/16
    160.111.192.0/19              160.111.0.0/16
    160.111.224.0/21              160.111.0.0/16
    160.111.240.0/20              160.111.0.0/16

Whois Entry

whois: 402628

IANA has recorded AS25829 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS25829\n