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

AS53587

ASN

ARIN

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS53587

NameAZT

OrganisationAZURE TECHNOLOGY CO., LIMITED

Country –

RIRARIN

Allocated12.06.2014

Network Overview

IPv4 Prefixes80

IPv6 Prefixes7

Upstreams (Transit)14

Downstreams (Customers)29

BGP Peers8

AS Path (BGP neighbours)

Upstreams (Transit)

AS137409GSL Networks Pty LTD AS174Cogent Communications, LLC AS17676SoftBank Corp.AS20326TeraSwitch Networks Inc.AS21859Zenlayer Inc AS23764China Telecom Global+8

AS53587AZT

Downstreams (Customers)

AS13132492Cloud Technology Co., Limited AS131618Carl International Information ltd.AS132742Guochao Group limited AS132825MYTEK TRADING PTY LTD AS133952Zhengzhou longling technology ltd.AS133955World-Link International+23

Upstreams (Transit) (14)

AS137409GSL Networks Pty LTD

AS174Cogent Communications, LLC

AS17676SoftBank Corp.

AS20326TeraSwitch Networks Inc.

AS21859Zenlayer Inc

AS23764China Telecom Global

AS2914NTT America, Inc.

AS4134China Telecom Backbone

AS4809China Telecom Next Generation Carrier Network

AS57724DDOS-GUARD LTD

AS58453China Mobile International

AS59692IQWeb FZ-LLC

AS6939

AS9002

Downstreams (Customers) (29)

AS13132492Cloud Technology Co., Limited

AS131618Carl International Information ltd.

AS132742Guochao Group limited

AS132825MYTEK TRADING PTY LTD

AS133952Zhengzhou longling technology ltd.

AS133955World-Link International

AS135097LUOGELANG (FRANCE) LIMITED

AS137933CyberForest LLC.

AS138415Yancy Limited

AS147296TY Software Engineering

AS150288METAGE TECHNOLOGY PTE. LTD.

AS150452LANDUPS LIMITED

IPv4 Prefixes (80)

45.64.245.0/24

45.61.192.0/19

168.235.242.0/23

45.61.255.0/24

103.228.93.0/24

45.61.245.0/24

45.61.195.0/24

45.61.230.0/24

43.248.169.0/24

103.242.110.0/24

45.61.235.0/24

45.64.246.0/24

45.61.228.0/22

168.235.241.0/24

45.61.234.0/24

45.61.232.0/23

116.206.94.0/24

103.228.95.0/24

45.61.238.0/24

168.235.250.0/23

45.61.224.0/22

45.61.254.0/23

103.242.109.0/24

45.61.246.0/24

43.250.184.0/22

43.248.170.0/24

168.235.250.0/24

45.61.216.0/21

168.235.255.0/24

103.242.111.0/24

45.61.226.0/24

103.228.94.0/24

65.181.183.0/24

45.61.238.0/23

45.61.202.0/23

45.61.192.0/21

45.61.200.0/24

45.61.194.0/24

45.61.237.0/24

43.250.186.0/24

103.242.108.0/24

168.235.252.0/22

168.235.240.0/21

45.61.236.0/23

103.240.142.0/23

45.61.248.0/24

168.235.240.0/24

43.248.171.0/24

168.235.254.0/24

45.61.250.0/23

45.61.201.0/24

43.250.184.0/24

45.61.218.0/24

45.61.241.0/24

45.61.236.0/24

45.61.240.0/24

43.250.187.0/24

45.61.240.0/23

45.61.224.0/21

45.61.227.0/24

45.61.208.0/21

168.235.248.0/24

103.240.142.0/24

45.61.244.0/24

45.64.244.0/24

168.235.244.0/22

168.235.249.0/24

45.61.239.0/24

43.248.168.0/24

168.235.248.0/23

43.250.185.0/24

168.235.252.0/24

45.61.204.0/22

168.235.251.0/24

103.240.143.0/24

103.228.92.0/24

45.61.252.0/23

45.64.247.0/24

45.61.254.0/24

168.235.253.0/24

IPv6 Prefixes (7)

2607:5d00:3::/48

2607:5d00::/48

2607:5d00:1::/48

2607:5d00:2::/48

2607:5d00:5::/48

2607:5d00:6::/48

2607:5d00::/32

BGP Peers (8)

AS134823Sky Digital Co., Ltd.

AS142271EWS DS Networks Inc

AS18106Viewqwest Pte Ltd

AS24482SG.GS

AS2500WIDE Project

AS35280F5 Networks SARL

AS49544i3D.net B.V

AS59105Home NOC Operators Group

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.