Report for 4057

Name

DCS-ASN - Mechants Choice Payment Solutions, CA

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 AS4637) 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.

4057 I2020 - Continental VisiNet Broadband

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6261    VISINET - Visionary Systems, Inc.
    AS7018    ATT-INTERNET4 - AT&T WorldNet Services

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13855 AS4057   ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  I2020 - Continental VisiNet Broadband

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       %
 4412 AS4057  I2020 - Continental VisiNet Broadband         5      2      1      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  12.110.201.0/24      4637 3356 17054 6261 4057 4057 4057 4057 4057 4057 4057 4057 4057   
  204.232.10.0/23      4637 3356 17054 6261 4057 4057 4057 4057 4057 4057 4057 4057 4057 + Announce - aggregate of 204.232.10.0/24 (4637 3356 17054 6261 4057 4057 4057 4057 4057 4057 4057 4057 4057) and 204.232.11.0/24 (4637 3356 17054 6261 4057 4057 4057 4057 4057 4057 4057 4057 4057)
  204.232.10.0/24      4637 3356 17054 6261 4057 4057 4057 4057 4057 4057 4057 4057 4057 - Withdrawn - aggregated with 204.232.11.0/24 (4637 3356 17054 6261 4057 4057 4057 4057 4057 4057 4057 4057 4057)
  204.232.11.0/24      4637 3356 17054 6261 4057 4057 4057 4057 4057 4057 4057 4057 4057 - Withdrawn - aggregated with 204.232.10.0/24 (4637 3356 17054 6261 4057 4057 4057 4057 4057 4057 4057 4057 4057)
  204.232.51.0/24      4637 3491 3561 7018 4057   
  205.219.180.0/24     4637 3356 17054 6261 4057 4057 4057 4057 4057 4057 4057 4057 4057   

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

AS4057   5 More Specifics   5 Total Advertisements   I2020 - Continental VisiNet Broadband
    12.110.201.0/24               12.0.0.0/8
    204.232.10.0/24               204.232.0.0/18
    204.232.11.0/24               204.232.0.0/18
    204.232.51.0/24               204.232.0.0/18
    205.219.180.0/24              205.218.0.0/15

Whois Entry

whois: 402332

IANA has recorded AS4057 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS4057\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-AU4)