Report for 27953

Name

AS27953 - NODOSUD 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 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.

27953 AS27953 - NODOSUD S.A, AR

  Adjacency:    10  Upstream:     2  Downstream:     8
  Upstream Adjacent AS list
    AS7049          AS7049 - Silica Networks Argentina S.A., AR
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
  Downstream Adjacent AS list
    AS263712        AS263712 - Infodocta Internet Banda Ancha de Eliana Andrea Brustolin, AR
    AS265774        AS265774 - COOP. DE PROVISION DE ENERGIA ELECTRICA Y OTROS SERVICIOS PUBLICOS Y SOCIALES DE VIVIENDA Y CREDITO DE ELORTONDO LTDA, AR
    AS263780        AS263780 - Global Telecomunicaciones SRL, AR
    AS265879        AS265879 - COOPERATIVA DE OBRAS Y SERVICIOS PUBLICOS DE CANALS LIMITADA, AR
    AS52303         AS52303 - COOP.DE OB.Y SERVICIOS PUB. DE MARCOS JUAREZ, AR
    AS271914        AS271914 - SEMPRINI EMILIANO EFREN, AR
    AS269917        AS269917 - COOPERATIVA LIMITADA DE ELECTRICIDAD DE GUATIMOZIN, AR
    AS267792        AS267792 - COOPERATIVA DE PROVISION DE OBRAS Y SERV PUBL Y SOC Y DE VIVIENDA DE OLIVA LTDA, AR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3767  AS27953        ORG+TRN Originate:      65536 /16.00  Transit:      13568 /18.27 AS27953 - NODOSUD 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       %
  534 AS27953       AS27953 - NODOSUD S.A, AR                        137    126      3     14    123  89.78%


  Prefix               AS Path                              Aggregation Suggestion
  181.118.176.0/20     4777 2516 3356 27953   
  181.118.176.0/20     4777 2497 3356 27953 + Announce - aggregate of 181.118.176.0/21 (4777 2497 3356 27953) and 181.118.184.0/21 (4777 2497 3356 27953)
  181.118.176.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.177.0/24 (4777 2497 3356 27953)
  181.118.177.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.176.0/24 (4777 2497 3356 27953)
  181.118.178.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.179.0/24 (4777 2497 3356 27953)
  181.118.179.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.178.0/24 (4777 2497 3356 27953)
  181.118.180.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.181.0/24 (4777 2497 3356 27953)
  181.118.181.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.180.0/24 (4777 2497 3356 27953)
  181.118.182.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.183.0/24 (4777 2497 3356 27953)
  181.118.183.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.182.0/24 (4777 2497 3356 27953)
  181.118.184.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.185.0/24 (4777 2497 3356 27953)
  181.118.185.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.184.0/24 (4777 2497 3356 27953)
  181.118.186.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.187.0/24 (4777 2497 3356 27953)
  181.118.187.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.186.0/24 (4777 2497 3356 27953)
  181.118.188.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.189.0/24 (4777 2497 3356 27953)
  181.118.189.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.188.0/24 (4777 2497 3356 27953)
  181.118.190.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.191.0/24 (4777 2497 3356 27953)
  181.118.191.0/24     4777 2497 3356 27953 - Withdrawn - aggregated with 181.118.190.0/24 (4777 2497 3356 27953)
  186.0.128.0/21       4777 2497 3356 27953   
  186.0.128.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.0.128.0/21 4777 2497 3356 27953
  186.0.129.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.0.128.0/21 4777 2497 3356 27953
  186.0.130.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.0.128.0/21 4777 2497 3356 27953
  186.0.131.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.0.128.0/21 4777 2497 3356 27953
  186.0.132.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.0.128.0/21 4777 2497 3356 27953
  186.0.133.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.0.128.0/21 4777 2497 3356 27953
  186.0.134.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.0.128.0/21 4777 2497 3356 27953
  186.0.135.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.0.128.0/21 4777 2497 3356 27953
  186.64.64.0/19       4777 2497 3356 27953   
  186.64.64.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.65.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.66.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.67.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.68.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.69.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.70.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.71.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.72.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.73.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.74.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.75.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.76.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.77.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.78.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.79.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.80.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.81.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.82.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.83.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.84.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.85.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.86.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.87.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.88.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.89.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.90.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.91.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.92.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.93.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.94.0/24       4777 2497 3356 27953 - Withdrawn - matching aggregate 186.64.64.0/19 4777 2497 3356 27953
  186.64.95.0/24       4777 2497 3356 27953 27953 27953 27953   
  186.190.160.0/20     4777 2497 3356 27953   
  186.190.160.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.161.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.162.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.163.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.164.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.165.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.166.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.167.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.168.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.169.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.170.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.171.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.172.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.173.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.174.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  186.190.175.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 186.190.160.0/20 4777 2497 3356 27953
  190.11.192.0/20      4777 2497 3356 27953   
  190.11.192.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.193.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.194.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.195.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.196.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.197.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.198.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.199.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.200.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.201.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.202.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.203.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.204.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.205.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.206.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.11.207.0/24      4777 2497 3356 27953 - Withdrawn - matching aggregate 190.11.192.0/20 4777 2497 3356 27953
  190.122.128.0/20     4608 7575 7195 7049 27953   
  190.122.128.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.129.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.130.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.131.0/24     4777 2497 3356 27953 27953 27953 27953   
  190.122.132.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.133.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.134.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.135.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.136.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.137.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.138.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.139.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.140.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.141.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.142.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.122.143.0/24     4608 7575 7195 7049 27953 - Withdrawn - matching aggregate 190.122.128.0/20 4608 7575 7195 7049 27953
  190.211.128.0/21     4777 2497 3356 27953   
  190.211.128.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 190.211.128.0/21 4777 2497 3356 27953
  190.211.129.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 190.211.128.0/21 4777 2497 3356 27953
  190.211.130.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 190.211.128.0/21 4777 2497 3356 27953
  190.211.131.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 190.211.128.0/21 4777 2497 3356 27953
  190.211.132.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 190.211.128.0/21 4777 2497 3356 27953
  190.211.133.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 190.211.128.0/21 4777 2497 3356 27953
  190.211.134.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 190.211.128.0/21 4777 2497 3356 27953
  190.211.135.0/24     4777 2497 3356 27953 - Withdrawn - matching aggregate 190.211.128.0/21 4777 2497 3356 27953
  200.7.176.0/21       4777 2516 3356 27953   
  200.7.176.0/21       4777 2497 3356 27953 + Announce - aggregate of 200.7.176.0/22 (4777 2497 3356 27953) and 200.7.180.0/22 (4777 2497 3356 27953)
  200.7.176.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.7.177.0/24 (4777 2497 3356 27953)
  200.7.177.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.7.176.0/24 (4777 2497 3356 27953)
  200.7.178.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.7.179.0/24 (4777 2497 3356 27953)
  200.7.179.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.7.178.0/24 (4777 2497 3356 27953)
  200.7.180.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.7.181.0/24 (4777 2497 3356 27953)
  200.7.181.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.7.180.0/24 (4777 2497 3356 27953)
  200.7.182.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.7.183.0/24 (4777 2497 3356 27953)
  200.7.183.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.7.182.0/24 (4777 2497 3356 27953)
  200.85.88.0/21       4777 2516 3356 27953   
  200.85.88.0/21       4777 2497 3356 27953 + Announce - aggregate of 200.85.88.0/22 (4777 2497 3356 27953) and 200.85.92.0/22 (4777 2497 3356 27953)
  200.85.88.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.85.89.0/24 (4777 2497 3356 27953)
  200.85.89.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.85.88.0/24 (4777 2497 3356 27953)
  200.85.90.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.85.91.0/24 (4777 2497 3356 27953)
  200.85.91.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.85.90.0/24 (4777 2497 3356 27953)
  200.85.92.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.85.93.0/24 (4777 2497 3356 27953)
  200.85.93.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.85.92.0/24 (4777 2497 3356 27953)
  200.85.94.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.85.95.0/24 (4777 2497 3356 27953)
  200.85.95.0/24       4777 2497 3356 27953 - Withdrawn - aggregated with 200.85.94.0/24 (4777 2497 3356 27953)

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

AS27953   128 More Specifics   137 Total Advertisements   AS27953 - NODOSUD S.A, AR
    181.118.176.0/24              181.118.176.0/20
    181.118.177.0/24              181.118.176.0/20
    181.118.178.0/24              181.118.176.0/20
    181.118.179.0/24              181.118.176.0/20
    181.118.180.0/24              181.118.176.0/20
    181.118.181.0/24              181.118.176.0/20
    181.118.182.0/24              181.118.176.0/20
    181.118.183.0/24              181.118.176.0/20
    181.118.184.0/24              181.118.176.0/20
    181.118.185.0/24              181.118.176.0/20
    181.118.186.0/24              181.118.176.0/20
    181.118.187.0/24              181.118.176.0/20
    181.118.188.0/24              181.118.176.0/20
    181.118.189.0/24              181.118.176.0/20
    181.118.190.0/24              181.118.176.0/20
    181.118.191.0/24              181.118.176.0/20
    186.0.128.0/24                186.0.128.0/21
    186.0.129.0/24                186.0.128.0/21
    186.0.130.0/24                186.0.128.0/21
    186.0.131.0/24                186.0.128.0/21
    186.0.132.0/24                186.0.128.0/21
    186.0.133.0/24                186.0.128.0/21
    186.0.134.0/24                186.0.128.0/21
    186.0.135.0/24                186.0.128.0/21
    186.64.64.0/24                186.64.64.0/19
    186.64.65.0/24                186.64.64.0/19
    186.64.66.0/24                186.64.64.0/19
    186.64.67.0/24                186.64.64.0/19
    186.64.68.0/24                186.64.64.0/19
    186.64.69.0/24                186.64.64.0/19
    186.64.70.0/24                186.64.64.0/19
    186.64.71.0/24                186.64.64.0/19
    186.64.72.0/24                186.64.64.0/19
    186.64.73.0/24                186.64.64.0/19
    186.64.74.0/24                186.64.64.0/19
    186.64.75.0/24                186.64.64.0/19
    186.64.76.0/24                186.64.64.0/19
    186.64.77.0/24                186.64.64.0/19
    186.64.78.0/24                186.64.64.0/19
    186.64.79.0/24                186.64.64.0/19
    186.64.80.0/24                186.64.64.0/19
    186.64.81.0/24                186.64.64.0/19
    186.64.82.0/24                186.64.64.0/19
    186.64.83.0/24                186.64.64.0/19
    186.64.84.0/24                186.64.64.0/19
    186.64.85.0/24                186.64.64.0/19
    186.64.86.0/24                186.64.64.0/19
    186.64.87.0/24                186.64.64.0/19
    186.64.88.0/24                186.64.64.0/19
    186.64.89.0/24                186.64.64.0/19
    186.64.90.0/24                186.64.64.0/19
    186.64.91.0/24                186.64.64.0/19
    186.64.92.0/24                186.64.64.0/19
    186.64.93.0/24                186.64.64.0/19
    186.64.94.0/24                186.64.64.0/19
    186.64.95.0/24                186.64.64.0/19
    186.190.160.0/24              186.190.160.0/20
    186.190.161.0/24              186.190.160.0/20
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    200.85.94.0/24                200.85.88.0/21
    200.85.95.0/24                200.85.88.0/21

Whois Entry

whois: 402591

IANA has recorded AS27953 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27953\n             % IP Client: 2401:2000:6660::13
              
             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
             
             % LACNIC resource: whois.lacnic.net
             
             
             % Copyright LACNIC lacnic.net
             %  The data below is provided for information purposes
             %  and to assist persons in obtaining information about or
             %  related to AS and IP numbers registrations
             %  By submitting a whois query, you agree to use this data
             %  only for lawful purposes.
             %  2026-06-05 07:58:05 (-03 -03:00)
             
             aut-num:     AS27953
             owner:       NODOSUD S.A
             ownerid:     AR-NOSA10-LACNIC
             responsible: Jose Luis Silvera
             address:     9 de julio, 681, -
             address:     2553 - Justiniano Posse - Cordoba
             country:     AR
             phone:       +54  3537411341 [0000]
             owner-c:     JLS3
             routing-c:   JLS3
             abuse-c:     JLS3
             created:     20080121
             changed:     20180419
             inetnum:     181.118.176.0/20
             inetnum:     186.64.64.0/19
             inetnum:     2800:940::/32
             inetnum:     186.190.160.0/20
             inetnum:     190.211.128.0/21
             inetnum:     186.0.128.0/21
             inetnum:     190.122.128.0/20
             inetnum:     200.85.88.0/21
             inetnum:     190.11.192.0/20
             inetnum:     200.7.176.0/21
             
             nic-hdl:     JLS3
             person:      Jose Luis Silvera
             e-mail:      jlsilvera@nodosud.com.ar
             address:     General Paz, 28, 2º Off 3
             address:     2550 - Bell Ville - Córdoba
             country:     AR
             phone:       +54  3537411341 [0000]
             created:     20080911
             changed:     20220929
             
             % whois.lacnic.net accepts only direct match queries.
             % Types of queries are: POCs, ownerid, CIDR blocks, IP
             % and AS numbers.