Report for 52748

Name

AS52748 - Seitel - Seixas Telecomunicacoes, 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.

52748 AS52748 - Seitel - Seixas Telecomunicacoes, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS28283         AS28283 - Adylnet Telecom, BR
    AS13786         SEABORN - Seabras 1 USA, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
14128 AS52748        ORIGIN  Originate:       5888 /19.48  Transit:          0 /0.00  AS52748 - Seitel - Seixas Telecomunicacoes, 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       %
 6598 AS52748       AS52748 - Seitel - Seixas Telecomunicacoes, B     10      8      1      3      7  70.00%


  Prefix               AS Path                              Aggregation Suggestion
  177.137.248.0/22     4777 2497 2914 13786 52748   
  177.137.248.0/23     4777 2497 2914 13786 52748 - Withdrawn - matching aggregate 177.137.248.0/22 4777 2497 2914 13786 52748
  177.137.250.0/23     4777 2497 2914 13786 52748 - Withdrawn - matching aggregate 177.137.248.0/22 4777 2497 2914 13786 52748
  177.155.64.0/21      4777 2497 2914 13786 52748 + Announce - aggregate of 177.155.64.0/22 (4777 2497 2914 13786 52748) and 177.155.68.0/22 (4777 2497 2914 13786 52748)
  177.155.64.0/22      4777 2497 2914 13786 52748 - Withdrawn - aggregated with 177.155.68.0/22 (4777 2497 2914 13786 52748)
  177.155.64.0/23      4777 2497 2914 13786 52748 - Withdrawn - matching aggregate 177.155.64.0/22 4777 2497 2914 13786 52748
  177.155.66.0/23      4777 2497 2914 13786 52748 - Withdrawn - matching aggregate 177.155.64.0/22 4777 2497 2914 13786 52748
  177.155.68.0/23      4777 2497 2914 13786 52748 - Withdrawn - aggregated with 177.155.70.0/23 (4777 2497 2914 13786 52748)
  177.155.69.0/24      4777 2497 2914 13786 52748 - Withdrawn - matching aggregate 177.155.68.0/23 4777 2497 2914 13786 52748
  177.155.70.0/23      4777 2497 2914 13786 52748 - Withdrawn - aggregated with 177.155.68.0/23 (4777 2497 2914 13786 52748)
  177.155.78.0/23      4777 2497 2914 13786 52748   

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

AS52748   8 More Specifics   10 Total Advertisements   AS52748 - Seitel - Seixas Telecomunicacoes, BR
    177.137.248.0/23              177.137.248.0/22
    177.137.250.0/23              177.137.248.0/22
    177.155.64.0/22               177.155.64.0/21
    177.155.64.0/23               177.155.64.0/21
    177.155.66.0/23               177.155.64.0/21
    177.155.68.0/23               177.155.64.0/21
    177.155.69.0/24               177.155.64.0/21
    177.155.70.0/23               177.155.64.0/21

Whois Entry

whois: 402591

IANA has recorded AS52748 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52748\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.
             % 2026-06-05T12:40:17-03:00 - 2401:2000:6660::13
             
             aut-num:     AS52748
             owner:       Seitel - Seixas Telecomunica��es
             ownerid:     93.445.773/0001-62
             responsible: Paulo Fernando da Silva Seixas
             country:     BR
             owner-c:     PFS3
             routing-c:   PFS3
             abuse-c:     PFS3
             created:     20120829
             changed:     20130306
             inetnum:     2804:b30::/32
             inetnum:     177.155.64.0/21
             inetnum:     177.155.78.0/23
             inetnum:     177.137.248.0/22
             
             nic-hdl-br:  PFS3
             person:      Paulo Fernando da Silva Seixas
             e-mail:      seitel@seitel.com.br
             country:     BR
             created:     19980424
             changed:     20071226
             
             % 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.