Report for 271505

Name

AS271505 - CITY NET TELECOM EIRELI, 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.

271505 AS271505 - CITY NET TELECOM EIRELI, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS61832         AS61832 - DB3 SERVICOS DE TELECOMUNICACOES S.A, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
28291 AS271505       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  AS271505 - CITY NET TELECOM EIRELI, 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       %
19905 AS271505      AS271505 - CITY NET TELECOM EIRELI, BR             3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  181.233.132.0/22     4777 2497 3356 61832 271505   
  181.233.132.0/23     4777 2497 3356 61832 271505 - Withdrawn - matching aggregate 181.233.132.0/22 4777 2497 3356 61832 271505
  181.233.134.0/23     4777 2497 3356 61832 271505 - Withdrawn - matching aggregate 181.233.132.0/22 4777 2497 3356 61832 271505

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

AS271505   2 More Specifics   3 Total Advertisements   AS271505 - CITY NET TELECOM EIRELI, BR
    181.233.132.0/23              181.233.132.0/22
    181.233.134.0/23              181.233.132.0/22

Whois Entry

whois: 402625

IANA has recorded AS271505 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS271505\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.
             % 2026-06-14T11:04:04-03:00 - 2401:2000:6660::13
             
             aut-num:     AS271505
             owner:       CITY NET TELECOM EIRELI
             ownerid:     29.543.205/0001-03
             responsible: Juvenal Sena Filho
             country:     BR
             owner-c:     JUSFI40
             routing-c:   JUSFI40
             abuse-c:     JUSFI40
             created:     20201110
             changed:     20201110
             inetnum:     2804:7c94::/32
             inetnum:     181.233.132.0/22
             
             nic-hdl-br:  JUSFI40
             person:      Juvenal Sena Filho
             e-mail:      jsenadireito@gmail.com
             country:     BR
             created:     20200903
             changed:     20241107
             
             % 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.