Report for 57986

Name

SIGMA, IR

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.

57986 SIGMA, IR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS58224         TCI, IR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
33091 AS57986        ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  SIGMA, IR

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       %
23570 AS57986       SIGMA, IR                                          5      2      1      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  45.15.200.0/23       4777 2497 12389 49666 48159 58224 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 + Announce - aggregate of 45.15.200.0/24 (4777 2497 12389 49666 48159 58224 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986) and 45.15.201.0/24 (4777 2497 12389 49666 48159 58224 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986)
  45.15.200.0/24       4777 2497 12389 49666 48159 58224 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 - Withdrawn - aggregated with 45.15.201.0/24 (4777 2497 12389 49666 48159 58224 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986)
  45.15.201.0/24       4777 2497 12389 49666 48159 58224 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 - Withdrawn - aggregated with 45.15.200.0/24 (4777 2497 12389 49666 48159 58224 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986)
  45.15.202.0/24       4777 2497 12389 49666 48159 58224 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986   
  45.15.203.0/24       4777 2497 12389 49666 48159 58224 57986   
  85.133.198.0/24      4777 2497 12389 49666 48159 58224 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986 57986   

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

AS57986   5 More Specifics   5 Total Advertisements   SIGMA, IR
    45.15.200.0/24                45.15.200.0/22
    45.15.201.0/24                45.15.200.0/22
    45.15.202.0/24                45.15.200.0/22
    45.15.203.0/24                45.15.200.0/22
    85.133.198.0/24               85.133.128.0/17

Whois Entry

whois: 402332

IANA has recorded AS57986 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS57986\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)