Report for 4493

Name

Universidad de Sonora, 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 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.

4493 Universidad de Sonora, MX

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS13999         Mega Cable, S.A. de C.V., MX

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3940  AS4493         ORIGIN  Originate:      64512 /16.02  Transit:          0 /0.00  Universidad de Sonora, 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       %
12104 AS4493        Universidad de Sonora, MX                         15      4      1     12      3  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  148.225.0.0/17       4777 2516 3257 32098 13999 4493   
  148.225.128.0/20     4777 2516 3257 32098 13999 4493   
  148.225.144.0/22     4777 2516 3257 32098 13999 4493   
  148.225.152.0/21     4608 1221 4637 32098 13999 4493   
  148.225.160.0/19     4608 1221 4637 32098 13999 4493 + Announce - aggregate of 148.225.160.0/20 (4608 1221 4637 32098 13999 4493) and 148.225.176.0/20 (4608 1221 4637 32098 13999 4493)
  148.225.160.0/21     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.168.0/21 (4608 1221 4637 32098 13999 4493)
  148.225.168.0/21     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.160.0/21 (4608 1221 4637 32098 13999 4493)
  148.225.176.0/21     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.184.0/21 (4608 1221 4637 32098 13999 4493)
  148.225.184.0/21     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.176.0/21 (4608 1221 4637 32098 13999 4493)
  148.225.192.0/21     4608 7575 2914 32098 13999 4493   
  148.225.200.0/24     4777 2497 6453 32098 13999 4493   
  148.225.201.0/24     4777 2516 3257 32098 13999 4493   
  148.225.202.0/23     4777 2516 3257 32098 13999 4493   
  148.225.204.0/22     4777 2516 3257 32098 13999 4493   
  148.225.208.0/20     4777 2516 3257 32098 13999 4493   
  148.225.224.0/19     4777 2516 3257 32098 13999 4493   

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

AS4493   15 More Specifics   15 Total Advertisements   Universidad de Sonora, MX
    148.225.0.0/17                148.225.0.0/16
    148.225.128.0/20              148.225.0.0/16
    148.225.144.0/22              148.225.0.0/16
    148.225.152.0/21              148.225.0.0/16
    148.225.160.0/21              148.225.0.0/16
    148.225.168.0/21              148.225.0.0/16
    148.225.176.0/21              148.225.0.0/16
    148.225.184.0/21              148.225.0.0/16
    148.225.192.0/21              148.225.0.0/16
    148.225.200.0/24              148.225.0.0/16
    148.225.201.0/24              148.225.0.0/16
    148.225.202.0/23              148.225.0.0/16
    148.225.204.0/22              148.225.0.0/16
    148.225.208.0/20              148.225.0.0/16
    148.225.224.0/19              148.225.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS4493 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4493\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.
             %  2026-04-01 07:30:01 (-03 -03:00)
             
             aut-num:     AS4493
             owner:       Universidad de Sonora
             ownerid:     MX-UNSO4-LACNIC
             responsible: David Humberto Colín Gutiérrez
             address:     Blvd Luis Encinas y Rosales, sn, centro
             address:     83000 - Hermosillo - SO
             country:     MX
             phone:       +52 662 2592125 [00]
             owner-c:     AAT3
             routing-c:   ADF64
             abuse-c:     ADF64
             created:     19950308
             changed:     20220119
             
             nic-hdl:     AAT3
             person:      ANA LOURDES CORDOVA GOMEZ
             e-mail:      ana.cordova@unison.mx
             address:     BLVD. LUIS ENCINAS Y ROSALES, S/N, blvd. luis encina sy rosales
             address:     83000 - Hermosillo - SO
             country:     MX
             phone:       +52  6622592227 [1328]
             created:     20121101
             changed:     20220118
             
             nic-hdl:     ADF64
             person:      Alvaro Dioni Ferreira
             e-mail:      alvaro.dioni@unison.mx
             address:     Priv San Astier, 18, Montecarlo
             address:     83288 - Hermosillo - SO
             country:     MX
             phone:       +52  6622592125
             created:     20210824
             changed:     20210824
             
             % whois.lacnic.net accepts only direct match queries.
             % Types of queries are: POCs, ownerid, CIDR blocks, IP
             % and AS numbers.