Report for 52958

Name

Empr.Tec.Inform.Comun. Mun.SP-PRODAM-SP SA, 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.

52958 Empr.Tec.Inform.Comun. Mun.SP-PRODAM-SP SA, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS273490        FIBRION INTERNET LTDA, BR
    AS10429         TELEFONICA BRASIL S.A, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7949  AS52958        ORIGIN  Originate:      16384 /18.00  Transit:          0 /0.00  Empr.Tec.Inform.Comun. Mun.SP-PRODAM-SP SA, 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       %
17239 AS52958       Empr.Tec.Inform.Comun. Mun.SP-PRODAM-SP SA, B      6      4      2      4      2  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  177.22.128.0/20      4777 2497 2914 273490 52958   
  177.22.128.0/20      4777 2516 1299 12956 10429 52958 + Announce - aggregate of 177.22.128.0/21 (4777 2516 1299 12956 10429 52958) and 177.22.136.0/21 (4777 2516 1299 12956 10429 52958)
  177.22.128.0/21      4777 2516 1299 12956 10429 52958 - Withdrawn - aggregated with 177.22.136.0/21 (4777 2516 1299 12956 10429 52958)
  177.22.136.0/21      4777 2516 1299 12956 10429 52958 - Withdrawn - aggregated with 177.22.128.0/21 (4777 2516 1299 12956 10429 52958)
  177.22.144.0/20      4777 2497 2914 273490 52958   
  177.22.144.0/20      4777 2516 1299 12956 10429 52958 + Announce - aggregate of 177.22.144.0/21 (4777 2516 1299 12956 10429 52958) and 177.22.152.0/21 (4777 2516 1299 12956 10429 52958)
  177.22.144.0/21      4777 2516 1299 12956 10429 52958 - Withdrawn - aggregated with 177.22.152.0/21 (4777 2516 1299 12956 10429 52958)
  177.22.152.0/21      4777 2516 1299 12956 10429 52958 - Withdrawn - aggregated with 177.22.144.0/21 (4777 2516 1299 12956 10429 52958)

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

AS52958   6 More Specifics   6 Total Advertisements   Empr.Tec.Inform.Comun. Mun.SP-PRODAM-SP SA, BR
    177.22.128.0/20               177.22.128.0/19
    177.22.128.0/21               177.22.128.0/19
    177.22.136.0/21               177.22.128.0/19
    177.22.144.0/20               177.22.128.0/19
    177.22.144.0/21               177.22.128.0/19
    177.22.152.0/21               177.22.128.0/19

Whois Entry

whois: 402332

IANA has recorded AS52958 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52958\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.
             % 2026-03-31T14:34:33-03:00 - 2401:2000:6660::13
             
             aut-num:     AS52958
             owner:       Empr.Tec.Inform.Comun. Mun.SP-PRODAM-SP S/A
             ownerid:     43.076.702/0001-61
             responsible: PRODAM SP
             country:     BR
             owner-c:     PROSP2
             routing-c:   PROSP2
             abuse-c:     PROSP2
             created:     20110131
             changed:     20130306
             inetnum:     177.22.128.0/19
             inetnum:     2801:94::/32
             
             nic-hdl-br:  PROSP2
             person:      PRODAM SP
             e-mail:      netlab@prodam.sp.gov.br
             country:     BR
             created:     20110107
             changed:     20250106
             
             % 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.