Report for 27986

Name

AS27986 - ENTEL CHILE S.A., CL

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.

27986 AS27986 - ENTEL CHILE S.A., CL

  Adjacency:     7  Upstream:     4  Downstream:     3
  Upstream Adjacent AS list
    AS12956         IDDQD-AS - IDDQD-AS, ES
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS6762          SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT
    AS262589        AS262589 - SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR
  Downstream Adjacent AS list
    AS27925         AS27925 - Entel PCS Telecomunicaciones S.A., CL
    AS6471          AS6471 - ENTEL CHILE S.A., CL
    AS27651         AS27651 - ENTEL CHILE S.A., CL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
28851 AS27986        ORG+TRN Originate:       1792 /21.19  Transit:    1297152 /11.69 AS27986 - ENTEL CHILE S.A., CL

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       %
16055 AS27986       AS27986 - ENTEL CHILE S.A., CL                     7      4      2      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  152.231.110.0/23     4777 2516 6762 27986 + Announce - aggregate of 152.231.110.0/24 (4777 2516 6762 27986) and 152.231.111.0/24 (4777 2516 6762 27986)
  152.231.110.0/24     4777 2516 6762 27986 - Withdrawn - aggregated with 152.231.111.0/24 (4777 2516 6762 27986)
  152.231.111.0/24     4777 2516 6762 27986 - Withdrawn - aggregated with 152.231.110.0/24 (4777 2516 6762 27986)
  181.42.4.0/23        4777 2516 6762 27986 + Announce - aggregate of 181.42.4.0/24 (4777 2516 6762 27986) and 181.42.5.0/24 (4777 2516 6762 27986)
  181.42.4.0/24        4777 2516 6762 27986 - Withdrawn - aggregated with 181.42.5.0/24 (4777 2516 6762 27986)
  181.42.5.0/24        4777 2516 6762 27986 - Withdrawn - aggregated with 181.42.4.0/24 (4777 2516 6762 27986)
  186.10.137.0/24      4777 2497 1299 52468 262589 27986   
  186.10.138.0/24      4777 2497 3356 27986   
  186.67.248.0/24      4777 2516 6762 27986   

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

AS27986   7 More Specifics   7 Total Advertisements   AS27986 - ENTEL CHILE S.A., CL
    152.231.110.0/24              152.231.64.0/18
    152.231.111.0/24              152.231.64.0/18
    181.42.4.0/24                 181.42.0.0/16
    181.42.5.0/24                 181.42.0.0/16
    186.10.137.0/24               186.10.128.0/17
    186.10.138.0/24               186.10.128.0/17
    186.67.248.0/24               186.67.0.0/16

Whois Entry

whois: 402599

IANA has recorded AS27986 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27986\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.
             %  2026-06-07 19:34:19 (-03 -03:00)
             
             aut-num:     AS27986
             owner:       ENTEL CHILE S.A.
             ownerid:     CL-ECSA-LACNIC
             responsible: ENTEL CHILE S.A.
             address:     Andrés Bello, 2687, 
             address:     56 - Santiago - 
             country:     CL
             phone:       +56 2 3600123
             owner-c:     CLS4
             routing-c:   CLS4
             abuse-c:     CLS4
             created:     20080801
             changed:     20240104
             
             nic-hdl:     CLS4
             person:      Cristian Escobar
             e-mail:      cescobar@entel.cl
             address:     Amunategui, 20, -
             address:     4254 - Santiago - 
             country:     CL
             phone:       +56  23600123 [0000]
             created:     20050311
             changed:     20231012
             
             % whois.lacnic.net accepts only direct match queries.
             % Types of queries are: POCs, ownerid, CIDR blocks, IP
             % and AS numbers.