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Autonomous System

AS271389

PAULO CESAR OLIVEIRA DA SILVA 05852075698

Announced IPs
1,024
CIDR prefixes
1
ASN
AS271389

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
181.189.4.0/22 1.0K
86.7%
PAULO CESAR OLIVEIRA DA SILVA 05852075698 BR Minas Gerais Teófilo Otoni

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS271389 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
181.189.4.0/22 61,875 2026-07-31 02:12:32
181.189.7.0/24 60,155 2026-07-31 02:12:32
181.189.4.0/23 57,985 2026-07-31 02:12:35
181.189.6.0/23 57,579 2026-07-31 02:12:35

Frequently Asked Questions

What is AS271389?

AS271389 is an Autonomous System Number assigned to PAULO CESAR OLIVEIRA DA SILVA 05852075698. 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 AS271389 announce?

AS271389 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS271389?

AS271389 is operated by PAULO CESAR OLIVEIRA DA SILVA 05852075698. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS271389 registered in?

AS271389 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 02:25:30 UTC
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