Network Overview

ASNAS265939
OrganizationTRIBUNAL REGIONAL DO TRABALHO DA 16A. REGIAO
Announced IPv4 ranges1
Total IPv4 addresses256

Sample IP Ranges Announced by AS265939

Range StartRange EndLookup
164.163.5.0 164.163.5.255 Details →

What Is an Autonomous System?

An autonomous system (AS) is a collection of IP networks operated by a single organization - an ISP, cloud provider, enterprise, or university - that shares a common routing policy. Each AS is identified by a unique AS number (ASN) and exchanges routing information with other systems using the BGP protocol.

Knowing which ASN an IP belongs to reveals who actually operates the network behind it - useful for fraud analysis, traffic quality assessment, and abuse investigation. Use the IP lookup tool to find the ASN for any address.

Frequently Asked Questions

What is AS265939?

AS265939 is the autonomous system operated by TRIBUNAL REGIONAL DO TRABALHO DA 16A. REGIAO, announcing 1 IPv4 ranges (256 addresses).

Who operates AS265939?

TRIBUNAL REGIONAL DO TRABALHO DA 16A. REGIAO. An autonomous system is a network under a single administrative entity that exchanges routes with other networks via BGP.

How do I check if an IP belongs to AS265939?

Enter the IP into our free IP lookup - the result shows the ASN, operator, geolocation, and VPN/datacenter flags.