Report for 266500

Name

AS266500 - SURF TELECOM S.A., 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.

266500 AS266500 - SURF TELECOM S.A., BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS26615         AS26615 - TIM S/A, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
23891 AS266500       ORIGIN  Originate:       2304 /20.83  Transit:          0 /0.00  AS266500 - SURF TELECOM S.A., 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       %
11374 AS266500      AS266500 - SURF TELECOM S.A., BR                   8      7      3      4      4  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  170.244.198.0/23     4777 2516 6762 26615 266500 + Announce - aggregate of 170.244.198.0/24 (4777 2516 6762 26615 266500) and 170.244.199.0/24 (4777 2516 6762 26615 266500)
  170.244.198.0/24     4777 2516 6762 26615 266500 - Withdrawn - aggregated with 170.244.199.0/24 (4777 2516 6762 26615 266500)
  170.244.199.0/24     4777 2516 6762 26615 266500 - Withdrawn - aggregated with 170.244.198.0/24 (4777 2516 6762 26615 266500)
  191.128.232.0/22     4777 2516 6762 26615 266500 + Announce - aggregate of 191.128.232.0/23 (4777 2516 6762 26615 266500) and 191.128.234.0/23 (4777 2516 6762 26615 266500)
  191.128.232.0/24     4777 2516 6762 26615 266500 - Withdrawn - aggregated with 191.128.233.0/24 (4777 2516 6762 26615 266500)
  191.128.233.0/24     4777 2516 6762 26615 266500 - Withdrawn - aggregated with 191.128.232.0/24 (4777 2516 6762 26615 266500)
  191.128.234.0/23     4777 2516 6762 26615 266500 - Withdrawn - aggregated with 191.128.232.0/23 (4777 2516 6762 26615 266500)
  191.128.236.0/23     4777 2516 6762 26615 266500 + Announce - aggregate of 191.128.236.0/24 (4777 2516 6762 26615 266500) and 191.128.237.0/24 (4777 2516 6762 26615 266500)
  191.128.236.0/24     4777 2516 6762 26615 266500 - Withdrawn - aggregated with 191.128.237.0/24 (4777 2516 6762 26615 266500)
  191.128.237.0/24     4777 2516 6762 26615 266500 - Withdrawn - aggregated with 191.128.236.0/24 (4777 2516 6762 26615 266500)
  191.128.239.0/24     4777 2516 6762 26615 266500   

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

AS266500   8 More Specifics   8 Total Advertisements   AS266500 - SURF TELECOM S.A., BR
    170.244.198.0/24              170.244.196.0/22
    170.244.199.0/24              170.244.196.0/22
    191.128.232.0/24              191.128.224.0/20
    191.128.233.0/24              191.128.224.0/20
    191.128.234.0/23              191.128.224.0/20
    191.128.236.0/24              191.128.224.0/20
    191.128.237.0/24              191.128.224.0/20
    191.128.239.0/24              191.128.224.0/20

Whois Entry

whois: 402565

IANA has recorded AS266500 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS266500\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.
             % 2026-05-30T22:26:00-03:00 - 2401:2000:6660::13
             
             aut-num:     AS266500
             owner:       SURF TELECOM S.A.
             ownerid:     10.455.746/0001-43
             responsible: YON MOREIRA DA SILVA JUNIOR
             country:     BR
             owner-c:     SUSTE24
             routing-c:   SUSTE24
             abuse-c:     SUSTE24
             created:     20170116
             changed:     20250327
             inetnum:     170.244.196.0/22
             inetnum:     2804:38c4::/32
             
             nic-hdl-br:  SUSTE24
             person:      Suporte Surf Telecom
             e-mail:      ti@surf.com.br
             country:     BR
             created:     20210816
             changed:     20250603
             
             % 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.