Report for 267508

Name

SEMPRENET INTERNET 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 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.

267508 SEMPRENET INTERNET LTDA ME, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS53217         INFRANET INTERNET LTDA., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
27569 AS267508       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  SEMPRENET INTERNET 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       %
19023 AS267508      SEMPRENET INTERNET LTDA ME, BR                     3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  201.182.104.0/22     4777 2497 3356 271253 53217 267508   
  201.182.104.0/23     4777 2497 3356 271253 53217 267508 - Withdrawn - matching aggregate 201.182.104.0/22 4777 2497 3356 271253 53217 267508
  201.182.106.0/23     4777 2497 3356 271253 53217 267508 - Withdrawn - matching aggregate 201.182.104.0/22 4777 2497 3356 271253 53217 267508

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

AS267508   2 More Specifics   3 Total Advertisements   SEMPRENET INTERNET LTDA ME, BR
    201.182.104.0/23              201.182.104.0/22
    201.182.106.0/23              201.182.104.0/22

Whois Entry

whois: 402332

IANA has recorded AS267508 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS267508\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.
             % 2026-05-03T11:40:03-03:00 - 2401:2000:6660::13
             
             aut-num:     AS267508
             owner:       SEMPRENET INTERNET LTDA ME
             ownerid:     16.800.646/0001-93
             responsible: BRUNO VIVIANI
             country:     BR
             owner-c:     BRV18
             routing-c:   BRV18
             abuse-c:     BRV18
             created:     20170822
             changed:     20170822
             inetnum:     201.182.104.0/22
             inetnum:     2804:4290::/32
             as-in:       from AS53217 10 accept ANY
             as-out:      to AS53217 announce { 201.182.104.0/22 }
             
             nic-hdl-br:  BRV18
             person:      Bruno Viviani
             e-mail:      bruno@semprenet.com.br
             country:     BR
             created:     20000703
             changed:     20240509
             
             % 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.