An Autonomous System Number (ASN) is a unique number assigned to a network in global internet routing. Every provider that participates directly on the internet has its own ASN (e.g. AS15169 for Google).

What are upstreams, peers and prefixes?

Upstreams are transit providers through which an AS reaches the internet. Peers are networks with direct traffic exchange. Prefixes are the IP address ranges the AS announces via BGP.

Where does the ASN data come from?

The data comes from the official RDAP services of the RIRs (RIPE, ARIN, etc.) and from RIPEstat (prefixes and neighbour ASNs).

ASN Lookup – Networks, Upstreams and Prefixes

AS28238

ASN

–

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS28238

NameASN28238

OrganisationSator Engenharia Ltda.

Country

RIR–

Allocated11.08.2008

Abuse contactkroker@win.psi.br

Network Overview

IPv4 Prefixes16

IPv6 Prefixes0

Upstreams (Transit)5

Downstreams (Customers)1

BGP Peers0

AS Path (BGP neighbours)

Upstreams (Transit)

AS263482Megalink Servicos Ltda AS264485Super Net AS273398CDG TELECOM COMERCIO EIRELI AS274480Prenet LTDA AS52751Brasrede Telecomunicações LTDA

AS28238ASN28238

Downstreams (Customers)

AS263988NET BARRA

Upstreams (Transit) (5)

AS263482Megalink Servicos Ltda

AS264485Super Net

AS273398CDG TELECOM COMERCIO EIRELI

AS274480Prenet LTDA

AS52751Brasrede Telecomunicações LTDA

Downstreams (Customers) (1)

AS263988NET BARRA

IPv4 Prefixes (16)

187.0.130.0/24

187.0.131.0/24

187.0.137.0/24

187.0.128.0/24

187.0.142.0/24

187.0.136.0/24

187.0.135.0/24

187.0.141.0/24

187.0.132.0/24

187.0.138.0/24

187.0.143.0/24

187.0.134.0/24

187.0.140.0/24

187.0.129.0/24

187.0.139.0/24

187.0.133.0/24

My IP ASN Lookup IP Lookup WHOIS DNS Lookup

What is an ASN?

An Autonomous System Number (ASN) is a unique number assigned to a network on the internet. Upstreams are the transit providers through which the AS reaches the internet. Peers are networks with which direct traffic exchange takes place. Prefixes are the IP address ranges that the AS announces to the internet. Data via RIPE NCC RDAP and RIPEstat API.