Report for 27829

Name

--No AS Description--

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.

27829 Empresa de Servicios Carvajal S.A. - ESCARSA E.S.P.

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS19429   ETB - Colombia

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13279 AS27829  ORIGIN  Originate:       1792 /21.19  Transit:          0 /0.00  Empresa de Servicios Carvajal S.A. - ESCARSA E.S.P.

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       %
 3296 AS27829 Empresa de Servicios Carvajal S.A. - ESC      7      4      1      4      3  42.86%


  Prefix               AS Path                              Aggregation Suggestion
  200.5.56.0/22        4637 3491 19429 19429 27829 + Announce - aggregate of 200.5.56.0/23 (4637 3491 19429 19429 27829) and 200.5.58.0/23 (4637 3491 19429 19429 27829)
  200.5.56.0/24        4637 3491 19429 19429 27829 - Withdrawn - aggregated with 200.5.57.0/24 (4637 3491 19429 19429 27829)
  200.5.57.0/24        4637 3491 19429 19429 27829 - Withdrawn - aggregated with 200.5.56.0/24 (4637 3491 19429 19429 27829)
  200.5.58.0/24        4637 3491 19429 19429 27829 - Withdrawn - aggregated with 200.5.59.0/24 (4637 3491 19429 19429 27829)
  200.5.59.0/24        4637 3491 19429 19429 27829 - Withdrawn - aggregated with 200.5.58.0/24 (4637 3491 19429 19429 27829)
  201.244.6.0/24       4637 3491 19429 19429 27829   
  201.245.161.0/24     4637 3491 19429 19429 27829   
  201.245.164.0/24     4637 3491 19429 19429 27829   

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

AS27829   7 More Specifics   7 Total Advertisements   Empresa de Servicios Carvajal S.A. - ESCARSA E.S.P.
    200.5.56.0/24                 200.5.56.0/21
    200.5.57.0/24                 200.5.56.0/21
    200.5.58.0/24                 200.5.56.0/21
    200.5.59.0/24                 200.5.56.0/21
    201.244.6.0/24                201.244.0.0/16
    201.245.161.0/24              201.245.0.0/16
    201.245.164.0/24              201.245.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS27829 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27829\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.
             %  2026-05-07 12:35:42 (-03 -03:00)
             
             % No match for "AS27829"
             
             % whois.lacnic.net accepts only direct match queries.
             % Types of queries are: POCs, ownerid, CIDR blocks, IP
             % and AS numbers.