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Autonomous System

AS271672

L OLIVEIRA BARROS

Announced IPs
1,024
CIDR prefixes
1
ASN
AS271672

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
177.105.196.0/22 1.0K
0.0%
L OLIVEIRA BARROS BR Alagoas Minador do Negrão

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS271672 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
177.105.196.0/22 44,872 2026-07-31 03:27:22

Frequently Asked Questions

What is AS271672?

AS271672 is an Autonomous System Number assigned to L OLIVEIRA BARROS. 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 AS271672 announce?

AS271672 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS271672?

AS271672 is operated by L OLIVEIRA BARROS. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS271672 registered in?

AS271672 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 03:40:32 UTC
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