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

AS266635

ASN

–

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS266635

NameASN266635

OrganisationSOFIA NET

Country

RIR–

Allocated13.06.2017

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Network Overview

IPv4 Prefixes4

IPv6 Prefixes6

Upstreams (Transit)5

Downstreams (Customers)0

BGP Peers2

AS Path (BGP neighbours)

Upstreams (Transit)

AS1031PEER 1031 LLC AS14840BR.DIGITAL AS264996SERVLINK TELECOM LTDA - ME AS265377FLASH NET TELECOMUNICACOES LTDA - ME AS266302RENOVENET TELECOMUNICACOES LTDA - ME

AS266635ASN266635

Downstreams (Customers)

none

Upstreams (Transit) (5)

AS1031PEER 1031 LLC

AS14840BR.DIGITAL

AS264996SERVLINK TELECOM LTDA - ME

AS265377FLASH NET TELECOMUNICACOES LTDA - ME

AS266302RENOVENET TELECOMUNICACOES LTDA - ME

IPv4 Prefixes (4)

128.201.158.0/24

128.201.156.0/22

128.201.159.0/24

128.201.156.0/23

IPv6 Prefixes (6)

2804:3f08:c000::/34

2804:3f08:c000::/40

2804:3f08:8000::/34

2804:3f08:4000::/34

2804:3f08::/32

2804:3f08::/34

BGP Peers (2)

AS263152MIGO TELECOM

AS28624Oops Internet

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.