Report for 28270

Name

-Reserved AS-, ZZ

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.

28270 -Reserved AS-, ZZ

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS28220         Alares Cabo Servicos de Telecomunicacoes S.A., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2390  AS28270        ORIGIN  Originate:      98048 /15.42  Transit:          0 /0.00  -Reserved AS-, ZZ

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       %
12658 AS28270       -Reserved AS-, ZZ                                 26      6      3     23      3  11.54%


  Prefix               AS Path                              Aggregation Suggestion
  131.221.68.0/22      4608 7575 7195 28220 28270   
  138.117.124.0/22     4608 7575 7195 28220 28270   
  138.121.220.0/24     4608 7575 7195 28220 28270   
  138.122.236.0/22     4777 2497 3356 28220 28270   
  138.122.236.0/23     4608 7575 7195 28220 28270 + Announce - aggregate of 138.122.236.0/24 (4608 7575 7195 28220 28270) and 138.122.237.0/24 (4608 7575 7195 28220 28270)
  138.122.236.0/24     4608 7575 7195 28220 28270 - Withdrawn - aggregated with 138.122.237.0/24 (4608 7575 7195 28220 28270)
  138.122.237.0/24     4608 7575 7195 28220 28270 - Withdrawn - aggregated with 138.122.236.0/24 (4608 7575 7195 28220 28270)
  143.255.112.0/22     4608 7575 7195 28220 28270   
  160.238.220.0/22     4608 7575 7195 28220 28270   
  168.228.128.0/22     4777 2497 3356 28220 28270   
  168.232.116.0/22     4608 7575 7195 28220 28270   
  170.0.204.0/22       4608 7575 7195 28220 28270   
  170.245.100.0/22     4608 7575 7195 28220 28270   
  177.66.64.0/21       4608 7575 7195 28220 28270   
  177.70.128.0/20      4608 7575 7195 28220 28270   
  177.75.192.0/19      4608 7575 7195 28220 28270 + Announce - aggregate of 177.75.192.0/20 (4608 7575 7195 28220 28270) and 177.75.208.0/20 (4608 7575 7195 28220 28270)
  177.75.192.0/20      4608 7575 7195 28220 28270 - Withdrawn - aggregated with 177.75.208.0/20 (4608 7575 7195 28220 28270)
  177.75.208.0/20      4608 7575 7195 28220 28270 - Withdrawn - aggregated with 177.75.192.0/20 (4608 7575 7195 28220 28270)
  177.87.144.0/21      4777 2497 3356 28220 28270   
  179.191.128.0/19     4608 7575 7195 28220 28270 + Announce - aggregate of 179.191.128.0/20 (4608 7575 7195 28220 28270) and 179.191.144.0/20 (4608 7575 7195 28220 28270)
  179.191.128.0/20     4608 7575 7195 28220 28270 - Withdrawn - aggregated with 179.191.144.0/20 (4608 7575 7195 28220 28270)
  179.191.144.0/20     4608 7575 7195 28220 28270 - Withdrawn - aggregated with 179.191.128.0/20 (4608 7575 7195 28220 28270)
  187.18.128.0/17      4777 2516 6762 28220 28270   
  187.108.96.0/20      4777 2497 3356 28220 28270   
  187.110.208.0/20     4608 7575 7195 28220 28270   
  189.45.64.0/18       4777 2516 6762 28220 28270   
  189.50.144.0/20      4608 7575 7195 28220 28270   
  200.94.240.0/22      4608 7575 7195 28220 28270   
  201.149.120.0/22     4608 7575 7195 28220 28270   

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

AS28270   3 More Specifics   26 Total Advertisements   -Reserved AS-, ZZ
    138.121.220.0/24              138.121.220.0/22
    138.122.236.0/24              138.122.236.0/22
    138.122.237.0/24              138.122.236.0/22

Whois Entry

whois: 402332

IANA has recorded AS28270 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28270\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.
             % 2026-04-01T09:44:36-03:00 - 2401:2000:6660::13
             
             % No match for AS28270
             
             % 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.