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

AS18106

ASN

APNIC

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS18106

NameVIEWQWEST-SG-AP

OrganisationViewqwest Pte Ltd

Country

RIRAPNIC

Allocated04.09.2008

Abuse contactnoc.sg@viewqwest.com

Network Overview

IPv4 Prefixes25

IPv6 Prefixes4

Upstreams (Transit)79

Downstreams (Customers)20

BGP Peers1969

AS Path (BGP neighbours)

Upstreams (Transit)

AS1103SURF B.V.AS12552GlobalConnect (IP-Only)AS12577MMC GmbH AS1267WIND TRE S.P.A.AS12779IT.Gate S.p.A.AS13030Init7 (Switzerland) Ltd.+73

AS18106VIEWQWEST-SG-AP

Downstreams (Customers)

AS132277X-TRA Communication Pte. Ltd.AS132576Worley Limited AS132816SimplerCloud Pte Ltd AS133421INNET SOLUTIONS SDN BHD AS134809ViewQwest Sdn. Bhd.AS138128PT Solnet Indonesia+14

Upstreams (Transit) (79)

AS1103SURF B.V.

AS12552GlobalConnect (IP-Only)

AS12577MMC GmbH

AS1267WIND TRE S.P.A.

AS12779IT.Gate S.p.A.

AS13030Init7 (Switzerland) Ltd.

AS137409GSL Networks Pty LTD

AS13786Seaborn (Seabras USA, LLC)

AS138128PT Solnet Indonesia

AS14840BR.DIGITAL

AS15802Emirates Integrated Telecommunications Company PJSC

AS15958CETIN Ltd. Belgrade

Downstreams (Customers) (20)

AS132277X-TRA Communication Pte. Ltd.

AS132576Worley Limited

AS132816SimplerCloud Pte Ltd

AS133421INNET SOLUTIONS SDN BHD

AS134809ViewQwest Sdn. Bhd.

AS138128PT Solnet Indonesia

AS138419Pico (Singapore) Pte. Ltd.

AS139242Cloudflare Sydney, LLC

AS17158Datto, LLC

AS17653Globecast Asia Pte Ltd

AS1780Valmet Oyj

AS202154Brevan Howard Asset Management LLP

IPv4 Prefixes (25)

206.166.202.0/23

202.73.32.0/19

43.230.96.0/23

163.47.89.0/24

103.247.108.0/22

103.208.176.0/22

103.26.220.0/22

202.55.64.0/19

202.83.96.0/20

103.7.68.0/24

162.246.200.0/22

223.27.140.0/24

103.60.60.0/22

43.230.98.0/23

137.59.184.0/22

132.147.64.0/18

223.27.138.0/24

185.5.132.0/23

103.7.70.0/24

195.133.128.0/20

223.27.137.0/24

103.7.69.0/24

45.121.84.0/22

103.4.196.0/22

103.7.71.0/24

IPv6 Prefixes (4)

2402:7480::/32

2001:d98::/32

2404:4280::/32

2602:ff4b::/36

BGP Peers (200)

AS1140Stichting Internet Domeinregistratie Nederland

AS12637Seeweb s.r.l.

AS12859BIT BV

AS12969Ljósleiðarinn ehf (Sýn)

AS13237euNetworks GmbH

AS133210EN Technologies Pte Ltd

AS142271EWS DS Networks Inc

AS14630Invesco Group Services, Inc.

AS14907Wikimedia Foundation Inc.

AS15547netplus.ch SA

AS15605Connesi S.p.A.

AS16347ADISTA SAS

AS1140Stichting Internet Domeinregistratie Nederland

AS12637Seeweb s.r.l.

AS12859BIT BV

AS12969Ljósleiðarinn ehf (Sýn)

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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.