Report for 267442

Name

AS267442 - CRISTIANO HOLDEFER & CIA LTDA - ME, 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 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.

267442 CRISTIANO HOLDEFER & CIA LTDA - ME, BR

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS267613        ELETRONET S.A., BR
    AS263569        DIRECT WIFI TELECOM LTDA, BR
    AS263998        Machado & Mascarelo Sonorizacao Ltda, BR
    AS263289        Palmasnet Informatica LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
22140 AS267442       ORIGIN  Originate:       2816 /20.54  Transit:          0 /0.00  CRISTIANO HOLDEFER & CIA LTDA - ME, 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       %
28788 AS267442      CRISTIANO HOLDEFER & CIA LTDA - ME, BR             5      2      1      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  138.97.128.0/22      6939 263998 267442     
  138.97.128.0/22      6939 267613 267442   + Announce - aggregate of 138.97.128.0/23 (6939 267613 267442) and 138.97.130.0/23 (6939 267613 267442)
  138.97.128.0/23      6939 267613 267442   - Withdrawn - aggregated with 138.97.130.0/23 (6939 267613 267442)
  138.97.130.0/23      6939 267613 267442   - Withdrawn - aggregated with 138.97.128.0/23 (6939 267613 267442)
  192.141.28.0/23      6939 28343 263289 267442   
  192.141.30.0/24      6939 28343 263289 267442   

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

AS267442   5 More Specifics   7 Total Advertisements   CRISTIANO HOLDEFER & CIA LTDA - ME, BR
    138.97.128.0/23               138.97.128.0/22
    138.97.130.0/23               138.97.128.0/22
    192.141.28.0/23               192.141.28.0/22
    192.141.30.0/23               192.141.28.0/22
    192.141.30.0/24               192.141.28.0/22

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 192.141.28.0/22             Announced
    + 192.141.28.0/23             Announced
    + 192.141.30.0/23             Announced

Whois Entry

whois: 402551

IANA has recorded AS267442 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS267442\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.
             % 2026-05-27T19:26:03-03:00 - 2401:2000:6660::13
             
             aut-num:     AS267442
             owner:       CRISTIANO HOLDEFER & CIA LTDA - ME
             ownerid:     25.016.832/0001-27
             responsible: Cristiano Holdefer
             country:     BR
             owner-c:     CRHOL50
             routing-c:   CRHOL50
             abuse-c:     CRHOL50
             created:     20170803
             changed:     20170803
             inetnum:     192.141.28.0/22
             inetnum:     2804:4194::/32
             inetnum:     138.97.128.0/22
             
             nic-hdl-br:  CRHOL50
             person:      Cristiano Holdefer
             e-mail:      cristianoholdeferpn@gmail.com
             country:     BR
             created:     20170105
             changed:     20190828
             
             % 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.