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Autonomous System

AS11993

BANCO DO BRASIL S.A.

Announced IPs
68,352
CIDR prefixes
4
ASN
AS11993

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
170.66.0.0/16 65.5K
0.2%
BANCO DO BRASIL S.A. BR Federal District Brasília
201.33.144.0/21 2.0K
2.1%
BANCO DO BRASIL S.A. BR
201.33.152.0/23 512
0.6%
BANCO DO BRASIL S.A. BR
198.184.161.0/24 256
0.0%
BANCO DO BRASIL S.A. BR

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS11993 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
170.66.248.0/22 96,345 2026-09-12 09:35:47
201.33.144.0/24 93,132 2026-09-12 09:35:47
201.33.145.0/24 93,023 2026-09-12 09:35:47
201.33.146.0/24 92,984 2026-09-12 09:35:47
201.33.147.0/24 92,936 2026-09-12 09:35:47
201.33.148.0/24 92,610 2026-09-12 09:35:47
201.33.151.0/24 92,303 2026-09-12 09:35:47
201.33.152.0/24 84,839 2026-09-12 09:35:47
201.33.149.0/24 84,806 2026-09-12 09:35:47
201.33.150.0/24 84,788 2026-09-12 09:35:47
170.66.0.0/17 56,166 2026-09-12 09:56:31
170.66.128.0/18 56,103 2026-09-12 09:56:31
170.66.11.0/24 55,949 2026-09-12 09:56:31
170.66.12.0/24 55,916 2026-09-12 09:56:31
170.66.10.0/24 55,870 2026-09-12 09:56:31
170.66.2.0/24 55,867 2026-09-12 09:56:31
170.66.192.0/18 55,553 2026-09-12 09:56:31
170.66.192.0/24 55,315 2026-09-12 09:56:31
170.66.193.0/24 55,171 2026-09-12 09:56:31
170.66.118.0/24 49,091 2026-09-12 09:56:31
170.66.217.0/24 48,132 2026-09-12 09:58:51
170.66.224.0/24 40,291 2026-09-12 09:49:41
170.66.206.0/24 40,175 2026-09-12 09:49:41
170.66.196.0/24 40,167 2026-09-12 09:49:41
170.66.194.0/24 40,165 2026-09-12 09:49:41
170.66.110.0/24 35,649 2026-09-12 09:56:31
198.184.161.0/24 10,819 2026-09-12 09:03:30
170.66.117.0/24 9,908 2026-09-12 08:19:54
201.33.153.0/24 9,804 2026-09-12 08:19:54
170.66.3.0/24 1 2026-05-22 00:07:21

Frequently Asked Questions

What is AS11993?

AS11993 is an Autonomous System Number assigned to BANCO DO BRASIL S.A.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS11993 announce?

AS11993 announces 68.4K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS11993?

AS11993 is operated by BANCO DO BRASIL S.A.. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS11993 registered in?

AS11993 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-12 09:54:05 UTC
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