Report for 271692

Name

AS271692 - JEFFERSON COSTA DA SILVA VIANA, BR

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.

271692 AS271692 - JEFFERSON COSTA DA SILVA VIANA, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS265436        AS265436 - SkyNet Telecomunicacoes, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
28307 AS271692       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  AS271692 - JEFFERSON COSTA DA SILVA VIANA, BR

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       %
19932 AS271692      AS271692 - JEFFERSON COSTA DA SILVA VIANA, BR      3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  200.107.72.0/22      4777 2497 3356 265436 271692   
  200.107.72.0/23      4777 2497 3356 265436 271692 - Withdrawn - matching aggregate 200.107.72.0/22 4777 2497 3356 265436 271692
  200.107.74.0/23      4777 2497 3356 265436 271692 - Withdrawn - matching aggregate 200.107.72.0/22 4777 2497 3356 265436 271692

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

AS271692   2 More Specifics   3 Total Advertisements   AS271692 - JEFFERSON COSTA DA SILVA VIANA, BR
    200.107.72.0/23               200.107.72.0/22
    200.107.74.0/23               200.107.72.0/22

Whois Entry

whois: 402628

IANA has recorded AS271692 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS271692\n             % IP Client: 2401:2000:6660::13
              % Copyright (c) Nic.br - Use of this data is governed by the Use and
             % Privacy Policy at https://registro.br/upp . Distribution,
             % commercialization, reproduction, and use for advertising or similar
             % purposes are expressly prohibited.
             % 2026-06-15T00:30:03-03:00 - 2401:2000:6660::13
             
             aut-num:     AS271692
             owner:       JEFFERSON COSTA DA SILVA VIANA
             ownerid:     37.556.342/0001-00
             responsible: JEFFERSON COSTA DA SILVA VIANA
             country:     BR
             owner-c:     JECSI489
             routing-c:   JECSI489
             abuse-c:     JECSI489
             created:     20210407
             changed:     20210407
             inetnum:     2804:7f80::/32
             inetnum:     200.107.72.0/22
             
             nic-hdl-br:  JECSI489
             person:      Jefferson Costa da Silva
             e-mail:      jefferson.procisa@gmail.com
             country:     BR
             created:     20200611
             changed:     20260605
             
             % Security and mail abuse issues should also be addressed to cert.br,
             % respectivelly to cert@cert.br and mail-abuse@cert.br
             %
             % whois.registro.br only accepts exact match queries for domains,
             % registrants, contacts, tickets, providers, IPs, and ASNs.