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

AS272277

ASN

–

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS272277

NameASN272277

OrganisationDupla - Net

Country

RIR–

Allocated30.11.2021

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Network Overview

IPv4 Prefixes0

IPv6 Prefixes1

Upstreams (Transit)2

Downstreams (Customers)1

BGP Peers0

AS Path (BGP neighbours)

Upstreams (Transit)

AS52995TEN INTERNET Ltda AS53121Infornet Consultoria e Assessoria Ltda

AS272277ASN272277

Downstreams (Customers)

AS27712Paulo Dias de Araujo Filho

Upstreams (Transit) (2)

AS52995TEN INTERNET Ltda

AS53121Infornet Consultoria e Assessoria Ltda

Downstreams (Customers) (1)

AS27712Paulo Dias de Araujo Filho

IPv6 Prefixes (1)

2804:84b8::/32

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.