Report for 28037

Name

AS28037 - Alpha 2000 Soluciones Infomaticas SRL, AR

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.

28037 AS28037 - Alpha 2000 Soluciones Infomaticas SRL, AR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS27988         AS27988 - Servicios y Telecomunicaciones S.A., AR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24599 AS28037        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  AS28037 - Alpha 2000 Soluciones Infomaticas SRL, AR

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       %
 6499 AS28037       AS28037 - Alpha 2000 Soluciones Infomaticas S      8      8      1      1      7  87.50%


  Prefix               AS Path                              Aggregation Suggestion
  200.85.184.0/21      4777 2497 174 27988 28037 28037 28037 + Announce - aggregate of 200.85.184.0/22 (4777 2497 174 27988 28037 28037 28037) and 200.85.188.0/22 (4777 2497 174 27988 28037 28037 28037)
  200.85.184.0/24      4777 2497 174 27988 28037 28037 28037 - Withdrawn - aggregated with 200.85.185.0/24 (4777 2497 174 27988 28037 28037 28037)
  200.85.185.0/24      4777 2497 174 27988 28037 28037 28037 - Withdrawn - aggregated with 200.85.184.0/24 (4777 2497 174 27988 28037 28037 28037)
  200.85.186.0/24      4777 2497 174 27988 28037 28037 28037 - Withdrawn - aggregated with 200.85.187.0/24 (4777 2497 174 27988 28037 28037 28037)
  200.85.187.0/24      4777 2497 174 27988 28037 28037 28037 - Withdrawn - aggregated with 200.85.186.0/24 (4777 2497 174 27988 28037 28037 28037)
  200.85.188.0/24      4777 2497 174 27988 28037 28037 28037 - Withdrawn - aggregated with 200.85.189.0/24 (4777 2497 174 27988 28037 28037 28037)
  200.85.189.0/24      4777 2497 174 27988 28037 28037 28037 - Withdrawn - aggregated with 200.85.188.0/24 (4777 2497 174 27988 28037 28037 28037)
  200.85.190.0/24      4777 2497 174 27988 28037 28037 28037 - Withdrawn - aggregated with 200.85.191.0/24 (4777 2497 174 27988 28037 28037 28037)
  200.85.191.0/24      4777 2497 174 27988 28037 28037 28037 - Withdrawn - aggregated with 200.85.190.0/24 (4777 2497 174 27988 28037 28037 28037)

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

AS28037   8 More Specifics   8 Total Advertisements   AS28037 - Alpha 2000 Soluciones Infomaticas SRL, AR
    200.85.184.0/24               200.85.184.0/21
    200.85.185.0/24               200.85.184.0/21
    200.85.186.0/24               200.85.184.0/21
    200.85.187.0/24               200.85.184.0/21
    200.85.188.0/24               200.85.184.0/21
    200.85.189.0/24               200.85.184.0/21
    200.85.190.0/24               200.85.184.0/21
    200.85.191.0/24               200.85.184.0/21

Whois Entry

whois: 402603

IANA has recorded AS28037 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28037\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.
             %  2026-06-10 08:06:00 (-03 -03:00)
             
             aut-num:     AS28037
             owner:       Alpha 2000 Soluciones Infomaticas SRL
             ownerid:     AR-ASIS1-LACNIC
             responsible: Patricio Lopez Seco
             address:     Defensa, 570, 1° E
             address:     C1065AAJ - CABA - CABA
             country:     AR
             phone:       +54  1143455150 [103]
             owner-c:     ASS5
             routing-c:   PLS3
             abuse-c:     ASS5
             created:     20090202
             changed:     20210519
             
             nic-hdl:     ASS5
             person:      Patricio Lopez Seco
             e-mail:      lacnicnet28037alpha@alpha2k.com.ar
             address:     Defensa, 570, 1° E
             address:     1065 - CABA - CABA
             country:     AR
             phone:       +54  1143455150 [103]
             created:     20080916
             changed:     20220627
             
             nic-hdl:     PLS3
             person:      Ing Patricio Lopez Seco
             e-mail:      patriciols@alpha2000.com.ar
             address:     Defensa, 570, 1° E
             address:     1065 - Cuidad Autonoma de Bs.As - BA
             country:     AR
             phone:       +54  1143455150 [103]
             created:     20081002
             changed:     20221212
             
             % whois.lacnic.net accepts only direct match queries.
             % Types of queries are: POCs, ownerid, CIDR blocks, IP
             % and AS numbers.