Report for 263221

Name

AS263221 - ALVIS S.A., AR

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 AS6447) 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.

263221 ALVIS S.A., AR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS22927         Telefonica de Argentina, AR
    AS7303          Telecom Argentina S.A., AR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24134 AS263221       ORIGIN  Originate:       2304 /20.83  Transit:          0 /0.00  ALVIS S.A., AR

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       %
18998 AS263221      ALVIS S.A., AR                                     9      4      2      7      2  22.22%


  Prefix               AS Path                              Aggregation Suggestion
  161.0.176.0/23       6939 12956 22927 263221 + Announce - aggregate of 161.0.176.0/24 (6939 12956 22927 263221) and 161.0.177.0/24 (6939 12956 22927 263221)
  161.0.176.0/24       6939 12956 22927 263221 - Withdrawn - aggregated with 161.0.177.0/24 (6939 12956 22927 263221)
  161.0.177.0/24       6939 12956 22927 263221 - Withdrawn - aggregated with 161.0.176.0/24 (6939 12956 22927 263221)
  161.0.178.0/24       6939 12956 22927 263221   
  161.0.179.0/24       6939 12956 22927 7303 263221   
  161.0.180.0/24       6939 12956 22927 7303 263221   
  161.0.181.0/24       6939 12956 22927 263221   
  161.0.182.0/23       6939 12956 22927 7303 263221 + Announce - aggregate of 161.0.182.0/24 (6939 12956 22927 7303 263221) and 161.0.183.0/24 (6939 12956 22927 7303 263221)
  161.0.182.0/24       6939 12956 22927 7303 263221 - Withdrawn - aggregated with 161.0.183.0/24 (6939 12956 22927 7303 263221)
  161.0.183.0/24       6939 12956 22927 7303 263221 - Withdrawn - aggregated with 161.0.182.0/24 (6939 12956 22927 7303 263221)
  201.251.40.0/24      6939 12956 22927 263221   

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

AS263221   7 More Specifics   7 Total Advertisements   ALVIS S.A., AR
    161.0.176.0/24                161.0.176.0/21
    161.0.177.0/24                161.0.176.0/21
    161.0.179.0/24                161.0.176.0/21
    161.0.180.0/24                161.0.176.0/21
    161.0.181.0/24                161.0.176.0/21
    161.0.182.0/24                161.0.176.0/21
    161.0.183.0/24                161.0.176.0/21
    201.251.40.0/24               201.251.0.0/17

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 201.251.40.0/24             Withdrawn

Whois Entry

whois: 402551

IANA has recorded AS263221 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS263221\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded