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

AS263992

ASN

–

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS263992

NameASN263992

OrganisationTD Telecom

Country

RIR–

Allocated09.09.2015

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Network Overview

IPv4 Prefixes7

IPv6 Prefixes11

Upstreams (Transit)1

Downstreams (Customers)0

BGP Peers0

AS Path (BGP neighbours)

Upstreams (Transit)

AS61589Hokinet - Internet Banda Larga

AS263992ASN263992

Downstreams (Customers)

none

Upstreams (Transit) (1)

AS61589Hokinet - Internet Banda Larga

IPv4 Prefixes (7)

143.0.37.0/24

143.0.36.0/23

143.0.36.0/24

143.0.38.0/23

143.0.39.0/24

143.0.36.0/22

143.0.38.0/24

IPv6 Prefixes (11)

2804:2900:e000::/35

2804:2900:6000::/35

2804:2900:4000::/35

2804:2900:a000::/35

2804:2900:8000::/35

2804:2900::/35

2804:2900:2000::/35

2804:2900::/32

2804:2900:8000::/33

2804:2900::/33

2804:2900:c000::/35

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.