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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 44,037 2026-07-25 13:23:10
201.33.144.0/24 42,199 2026-07-25 13:23:10
201.33.145.0/24 42,186 2026-07-25 13:23:10
201.33.146.0/24 42,170 2026-07-25 13:23:10
201.33.147.0/24 42,122 2026-07-25 13:23:10
201.33.148.0/24 42,001 2026-07-25 13:23:10
201.33.151.0/24 41,689 2026-07-25 13:23:10
170.66.0.0/17 41,010 2026-07-25 13:19:38
170.66.128.0/18 40,932 2026-07-25 13:19:38
170.66.11.0/24 40,813 2026-07-25 13:19:38
170.66.12.0/24 40,785 2026-07-25 13:19:38
170.66.10.0/24 40,721 2026-07-25 13:19:38
170.66.2.0/24 40,720 2026-07-25 13:19:38
170.66.192.0/18 40,325 2026-07-25 13:19:38
170.66.192.0/24 40,148 2026-07-25 13:19:38
170.66.193.0/24 40,059 2026-07-25 13:19:38
201.33.152.0/24 37,653 2026-07-25 13:23:10
201.33.149.0/24 37,640 2026-07-25 13:23:10
201.33.150.0/24 37,602 2026-07-25 13:23:10
170.66.118.0/24 37,096 2026-07-25 12:57:56
170.66.224.0/24 27,189 2026-07-25 13:19:38
170.66.206.0/24 27,143 2026-07-25 13:19:38
170.66.196.0/24 27,115 2026-07-25 13:19:38
170.66.194.0/24 27,110 2026-07-25 13:19:38
170.66.217.0/24 25,545 2026-07-25 13:19:38
170.66.110.0/24 25,262 2026-07-25 12:57:56
198.184.161.0/24 6,335 2026-07-25 12:10:12
170.66.117.0/24 5,807 2026-07-25 12:10:10
201.33.153.0/24 5,783 2026-07-25 12:10:12
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: 2026-07-25 13:25:32 UTC
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