Report for 271723

Name

c c b ferreira-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 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.

271723 c c b ferreira-me, BR

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS271578        M A Link Telecomunicacoes Consortes Ltda, BR
  Downstream Adjacent AS list
    AS270438        G L C PINTO, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21381 AS271723       ORG+TRN Originate:       3072 /20.42  Transit:        256 /24.00 c c b ferreira-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       %
 8286 AS271723      c c b ferreira-me, BR                              7      6      0      1      6  85.71%


  Prefix               AS Path                              Aggregation Suggestion
  45.229.252.0/22      4777 2516 4230 271578 271578 271578 271723   
  45.229.252.0/23      4777 2516 4230 271578 271578 271578 271723 - Withdrawn - matching aggregate 45.229.252.0/22 4777 2516 4230 271578 271578 271578 271723
  45.229.252.0/24      4777 2516 4230 271578 271578 271578 271723 - Withdrawn - matching aggregate 45.229.252.0/22 4777 2516 4230 271578 271578 271578 271723
  45.229.253.0/24      4777 2516 4230 271578 271578 271578 271723 - Withdrawn - matching aggregate 45.229.252.0/22 4777 2516 4230 271578 271578 271578 271723
  45.229.254.0/23      4777 2516 4230 271578 271578 271578 271723 - Withdrawn - matching aggregate 45.229.252.0/22 4777 2516 4230 271578 271578 271578 271723
  45.229.254.0/24      4777 2516 4230 271578 271578 271578 271723 - Withdrawn - matching aggregate 45.229.252.0/22 4777 2516 4230 271578 271578 271578 271723
  45.229.255.0/24      4777 2516 4230 271578 271578 271578 271723 - Withdrawn - matching aggregate 45.229.252.0/22 4777 2516 4230 271578 271578 271578 271723

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

AS271723   6 More Specifics   7 Total Advertisements   c c b ferreira-me, BR
    45.229.252.0/23               45.229.252.0/22
    45.229.252.0/24               45.229.252.0/22
    45.229.253.0/24               45.229.252.0/22
    45.229.254.0/23               45.229.252.0/22
    45.229.254.0/24               45.229.252.0/22
    45.229.255.0/24               45.229.252.0/22

Whois Entry

whois: 402332

IANA has recorded AS271723 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS271723\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.
             % 2026-04-02T04:58:00-03:00 - 2401:2000:6660::13
             
             aut-num:     AS271723
             owner:       c c b ferreira-me
             ownerid:     26.723.852/0001-09
             responsible: Cristiano Castelo branco ferreira
             country:     BR
             owner-c:     CCBFE9
             routing-c:   UPISP1
             abuse-c:     CCBFE9
             created:     20210427
             changed:     20251224
             inetnum:     2804:8000::/32
             inetnum:     45.229.252.0/22
             
             nic-hdl-br:  CCBFE9
             person:      cristiano castelo branco ferreira
             e-mail:      criscastelo1987@gmail.com
             country:     BR
             created:     20200803
             changed:     20250305
             
             nic-hdl-br:  UPISP1
             person:      UP ISP
             e-mail:      noc@upisp.com.br
             country:     BR
             created:     20241219
             changed:     20260331
             
             % 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.