Report for 27897

Name

AS27897 - UNIVERSIDAD DE SANTIAGO DE CHILE, 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.

27897 AS27897 - UNIVERSIDAD DE SANTIAGO DE CHILE, CL

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS266771        AS266771 - MAKRONET CONSULTING TECNOLOGIA E INFORMATICA LIMITADA, CL
    AS11340         AS11340 - Red Universitaria Nacional, CL
    AS18747         IFX18747 - IFX Corporation, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1954  AS27897        ORIGIN  Originate:     131072 /15.00  Transit:          0 /0.00  AS27897 - UNIVERSIDAD DE SANTIAGO DE CHILE, 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       %
21569 AS27897       AS27897 - UNIVERSIDAD DE SANTIAGO DE CHILE, C      3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  158.170.0.0/16       4777 2516 6762 52468 18747 18747 18747 18747 18747 27897   
  158.170.0.0/16       4608 7575 11537 27750 11340 27897 + Announce - aggregate of 158.170.0.0/17 (4608 7575 11537 27750 11340 27897) and 158.170.128.0/17 (4608 7575 11537 27750 11340 27897)
  158.170.0.0/17       4608 7575 11537 27750 11340 27897 - Withdrawn - aggregated with 158.170.128.0/17 (4608 7575 11537 27750 11340 27897)
  158.170.128.0/17     4608 7575 11537 27750 11340 27897 - Withdrawn - aggregated with 158.170.0.0/17 (4608 7575 11537 27750 11340 27897)

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

AS27897   2 More Specifics   3 Total Advertisements   AS27897 - UNIVERSIDAD DE SANTIAGO DE CHILE, CL
    158.170.0.0/17                158.170.0.0/16
    158.170.128.0/17              158.170.0.0/16

Whois Entry

whois: 402599

IANA has recorded AS27897 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27897\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 16:00:15 (-03 -03:00)
             
             aut-num:     AS27897
             owner:       UNIVERSIDAD DE SANTIAGO DE CHILE
             ownerid:     CL-SECO2-LACNIC
             responsible: Victor Vergara
             address:     Matucana, 28, D
             address:     917-0019 - Santiago - RM
             country:     CL
             phone:       +56  27180200 [80203]
             owner-c:     VVS5
             routing-c:   VVS5
             abuse-c:     VVS5
             created:     20070424
             changed:     20151120
             
             nic-hdl:     VVS5
             person:      Victor Vergara Sepulveda
             e-mail:      victor.vergara@usach.cl
             address:     Matucana, 28, 
             address:     9170023 - Santiago - 
             country:     CL
             phone:       +56 2 27180226
             created:     20151029
             changed:     20240627
             
             % whois.lacnic.net accepts only direct match queries.
             % Types of queries are: POCs, ownerid, CIDR blocks, IP
             % and AS numbers.