Report for 27731

Name

ACH Colombia, CO

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.

27731 ACH Colombia, CO

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS198949        RADWARE, IL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
44721 AS27731        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  ACH Colombia, CO

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       %
38450 AS27731       ACH Colombia, CO                                   3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  200.1.124.0/24       4608 7575 2914 198949 27731 27731   
  200.1.127.0/24       4608 7575 2914 198949 27731 27731   
  200.115.180.0/24     4608 7575 2914 198949 27731 27731   

Whois Entry

whois: 402332

IANA has recorded AS27731 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27731\n             % IP Client: 2401:2000:6660::13
              
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             %  This server accepts single ASN, IPv4 or IPv6 queries
             
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             %  The data below is provided for information purposes
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             %  2026-04-01 03:26:59 (-03 -03:00)
             
             aut-num:     AS27731
             owner:       ACH Colombia
             ownerid:     CO-ACCO6-LACNIC
             responsible: Soporte ACH Colombia
             address:     Transv 23 # 97, 73, Piso 3
             address:     -- - Bogota - 
             country:     CO
             phone:       +57 1 7438300
             owner-c:     SAC2
             routing-c:   SAC2
             abuse-c:     SAC2
             created:     20040225
             changed:     20050909
             
             nic-hdl:     SAC2
             person:      Soporte ACH Colombia
             e-mail:      dbolivar@achcolombia.com.co
             address:     Transv 23 # 97 - 73 piso 3, Piso, 3
             address:     571 - Bogota - 
             country:     CO
             phone:       +57  16017438300 [1673]
             created:     20050824
             changed:     20241009
             
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