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AS11993 BANCO DO BRASIL S.A.

AS11993 - BANCO DO BRASIL S.A. · registered in Brazil

IPv4 addresses68,35246 prefixes · 0.002% of announced IPv4
Rank in Brazil#50largest network in BR by IPv4 space, of 7,969 · 0.09% of BR
Rank worldwide#2,509of 79,396 networks with IPv4
IPv68,193 x /4815 prefixes
CountryBrazil8,771 ASNs registered there
Open AS11993 in ASN lookup Look up an IP in this network (170.66.0.1) All networks in Brazil

IPv4 prefixes

All 46 prefixes, in address order.

  • 170.66.0.0/23
  • 170.66.2.0/24
  • 170.66.3.0/24
  • 170.66.4.0/22
  • 170.66.8.0/22
  • 170.66.12.0/24
  • 170.66.13.0/24
  • 170.66.14.0/23
  • 170.66.16.0/20
  • 170.66.32.0/19
  • 170.66.64.0/19
  • 170.66.96.0/22
  • 170.66.100.0/23
  • 170.66.102.0/24
  • 170.66.103.0/24
  • 170.66.104.0/22
  • 170.66.108.0/23
  • 170.66.110.0/24
  • 170.66.111.0/24
  • 170.66.112.0/20
  • 170.66.128.0/18
  • 170.66.192.0/23
  • 170.66.194.0/24
  • 170.66.195.0/24
  • 170.66.196.0/24
  • 170.66.197.0/24
  • 170.66.198.0/23
  • 170.66.200.0/22
  • 170.66.204.0/23
  • 170.66.206.0/24
  • 170.66.207.0/24
  • 170.66.208.0/21
  • 170.66.216.0/23
  • 170.66.218.0/23
  • 170.66.220.0/22
  • 170.66.224.0/24
  • 170.66.225.0/24
  • 170.66.226.0/23
  • 170.66.228.0/22
  • 170.66.232.0/21
  • 170.66.240.0/21
  • 170.66.248.0/22
  • 170.66.252.0/22
  • 198.184.161.0/24
  • 201.33.144.0/21
  • 201.33.152.0/23

IPv6 prefixes

All 15 prefixes.

  • 2801:8e::/37
  • 2801:8e:800::/46
  • 2801:8e:804::/48
  • 2801:8e:805::/48
  • 2801:8e:806::/47
  • 2801:8e:808::/45
  • 2801:8e:810::/44
  • 2801:8e:820::/43
  • 2801:8e:840::/42
  • 2801:8e:880::/41
  • 2801:8e:900::/40
  • 2801:8e:a00::/39
  • 2801:8e:c00::/38
  • 2801:8e:a000::/36
  • 2801:8e:f000::/48

Similar-sized networks in Brazil

ASNNameIPv4 addresses
AS19611#47 AS19611 - Associacao Antonio Vieira - Unisinos69,632
AS28198#48 AS28198 - SEMPRE TELECOMUNICACOES LTDA68,608
AS28201#49 AS28201 - Companhia Itabirana Telecomunicacoes Ltda68,608
AS28667#51 AS28667 - VERO S.A67,584
AS19200#52 AS19200 - Universidade Federal do Rio Grande do Sul66,560
AS267587#53 AS267587 - CLICK SPEED SERVICOS DE TELECOMUNICACOES LTDA - EP66,560

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources