Report for 21603

Name

AS21603 - Universidad La Salle, AC, MX

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 AS6447) 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.

21603 Universidad La Salle, AC, MX

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS13591         Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
    AS18734         Operbes, S.A. de C.V., MX

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15894 AS21603        ORIGIN  Originate:       4608 /19.83  Transit:          0 /0.00  Universidad La Salle, AC, MX

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       %
 4645 AS21603       Universidad La Salle, AC, MX                      18     14      3      7     11  61.11%


  Prefix               AS Path                              Aggregation Suggestion
  192.100.202.0/24     3257 18734 21603       
  200.10.243.0/24      3257 18734 21603       
  200.13.88.0/21       3257 18734 21603     + Announce - aggregate of 200.13.88.0/22 (3257 18734 21603) and 200.13.92.0/22 (3257 18734 21603)
  200.13.88.0/24       3257 18734 21603     - Withdrawn - aggregated with 200.13.89.0/24 (3257 18734 21603)
  200.13.89.0/24       3257 18734 21603     - Withdrawn - aggregated with 200.13.88.0/24 (3257 18734 21603)
  200.13.90.0/24       3257 18734 21603     - Withdrawn - aggregated with 200.13.91.0/24 (3257 18734 21603)
  200.13.91.0/24       3257 18734 21603     - Withdrawn - aggregated with 200.13.90.0/24 (3257 18734 21603)
  200.13.92.0/24       3257 18734 21603     - Withdrawn - aggregated with 200.13.93.0/24 (3257 18734 21603)
  200.13.93.0/24       3257 18734 21603     - Withdrawn - aggregated with 200.13.92.0/24 (3257 18734 21603)
  200.13.94.0/24       3257 18734 21603     - Withdrawn - aggregated with 200.13.95.0/24 (3257 18734 21603)
  200.13.95.0/24       3257 18734 21603     - Withdrawn - aggregated with 200.13.94.0/24 (3257 18734 21603)
  200.33.97.0/24       3257 18734 21603       
  200.33.98.0/24       3257 18734 13591 21603   
  200.33.100.0/22      3257 18734 21603     + Announce - aggregate of 200.33.100.0/23 (3257 18734 21603) and 200.33.102.0/23 (3257 18734 21603)
  200.33.100.0/24      3257 18734 21603     - Withdrawn - aggregated with 200.33.101.0/24 (3257 18734 21603)
  200.33.101.0/24      3257 18734 21603     - Withdrawn - aggregated with 200.33.100.0/24 (3257 18734 21603)
  200.33.102.0/24      3257 18734 21603     - Withdrawn - aggregated with 200.33.103.0/24 (3257 18734 21603)
  200.33.103.0/24      3257 18734 21603     - Withdrawn - aggregated with 200.33.102.0/24 (3257 18734 21603)
  200.33.104.0/23      3257 18734 21603     + Announce - aggregate of 200.33.104.0/24 (3257 18734 21603) and 200.33.105.0/24 (3257 18734 21603)
  200.33.104.0/24      3257 18734 21603     - Withdrawn - aggregated with 200.33.105.0/24 (3257 18734 21603)
  200.33.105.0/24      3257 18734 21603     - Withdrawn - aggregated with 200.33.104.0/24 (3257 18734 21603)

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

AS21603   4 More Specifics   8 Total Advertisements   Universidad La Salle, AC, MX
    200.13.89.0/24                200.13.88.0/21
    200.13.90.0/23                200.13.88.0/21
    200.13.92.0/22                200.13.88.0/21
    200.33.98.0/24                200.33.98.0/23
    200.13.88.0/24                200.13.88.0/21
    200.13.90.0/24                200.13.88.0/21
    200.13.91.0/24                200.13.88.0/21
    200.13.92.0/24                200.13.88.0/21
    200.13.93.0/24                200.13.88.0/21
    200.13.94.0/24                200.13.88.0/21
    200.13.95.0/24                200.13.88.0/21
    200.33.100.0/24               200.33.100.0/22
    200.33.101.0/24               200.33.100.0/22
    200.33.102.0/24               200.33.100.0/22
    200.33.103.0/24               200.33.100.0/22
    200.33.104.0/24               200.33.104.0/23
    200.33.105.0/24               200.33.104.0/23

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 200.13.90.0/23              Announced
    + 200.13.92.0/22              Announced
    + 200.33.100.0/22             Announced
    - 200.13.88.0/24              Withdrawn
    - 200.13.90.0/24              Withdrawn
    - 200.13.91.0/24              Withdrawn
    - 200.13.92.0/24              Withdrawn
    - 200.13.93.0/24              Withdrawn
    - 200.13.94.0/24              Withdrawn
    - 200.13.95.0/24              Withdrawn
    - 200.33.100.0/24             Withdrawn
    - 200.33.101.0/24             Withdrawn
    - 200.33.102.0/24             Withdrawn
    - 200.33.103.0/24             Withdrawn
    - 200.33.104.0/24             Withdrawn
    - 200.33.105.0/24             Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS21603 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21603\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.
             %  2026-06-04 14:10:28 (-03 -03:00)
             
             aut-num:     AS21603
             owner:       Universidad La Salle, AC
             ownerid:     MX-ULSA2-LACNIC
             responsible: L. Oscar Del Río Gómez
             address:     Benjamín Franklin, 47, Condesa
             address:     06140 - México - CX
             country:     MX
             phone:       +52 55 52789500 [1065]
             owner-c:     LOG2
             routing-c:   LOG2
             abuse-c:     LOG2
             created:     20010530
             changed:     20110612
             
             nic-hdl:     LOG2
             person:      León Oscar Del Río Gómez
             e-mail:      oscar.delrio@ulsa.mx
             address:     Benjamín Franklin, 45, Condesa
             address:     06140 - México - CX
             country:     MX
             phone:       +52  5552789500 [5304]
             created:     20070521
             changed:     20220114
             
             % whois.lacnic.net accepts only direct match queries.
             % Types of queries are: POCs, ownerid, CIDR blocks, IP
             % and AS numbers.