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

AS6128

ASN

ARIN

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS6128

NameCABLE-NET-1

OrganisationCablevision Systems Corp.

Country –

RIRARIN

Network Overview

IPv4 Prefixes81

IPv6 Prefixes10

Upstreams (Transit)25

Downstreams (Customers)3

BGP Peers14

AS Path (BGP neighbours)

Upstreams (Transit)

AS1273Vodafone Group PLC AS1299Arelion (fka. Telia Carrier)AS137409GSL Networks Pty LTD AS13786Seaborn (Seabras USA, LLC)AS174Cogent Communications, LLC AS19108Optimum+19

AS6128CABLE-NET-1

Downstreams (Customers)

AS19720Cablevision Systems Corp.AS20940Akamai International B.V.AS54004Cablevision Lightpath LLC

Upstreams (Transit) (25)

AS1273Vodafone Group PLC

AS1299Arelion (fka. Telia Carrier)

AS137409GSL Networks Pty LTD

AS13786Seaborn (Seabras USA, LLC)

AS174Cogent Communications, LLC

AS19108Optimum

AS20326TeraSwitch Networks Inc.

AS262761Sinal Br Telecom Ltda

AS3303Swisscom (Schweiz) AG

AS3356Lumen (Level 3)

AS33891Core-Backbone GmbH

AS3491PCCW Global (HK) Ltd.

Downstreams (Customers) (3)

AS19720Cablevision Systems Corp.

AS20940Akamai International B.V.

AS54004Cablevision Lightpath LLC

IPv4 Prefixes (81)

192.208.120.0/21

174.44.0.0/16

216.255.96.0/19

209.140.32.0/19

167.206.116.0/23

167.206.0.0/19

167.206.124.0/22

167.206.32.0/21

24.89.128.0/18

173.220.0.0/16

167.206.64.0/19

142.54.64.0/18

68.192.0.0/13

24.188.0.0/14

167.206.121.0/24

167.206.44.0/24

68.192.0.0/14

69.112.0.0/13

148.76.224.0/19

69.27.228.0/24

198.182.247.0/24

47.16.0.0/15

74.88.0.0/15

162.216.56.0/21

69.112.0.0/14

50.29.0.0/17

173.229.64.0/18

24.44.0.0/14

24.246.96.0/19

108.179.0.0/18

104.148.128.0/17

63.247.160.0/19

167.206.48.0/20

148.76.0.0/18

167.206.96.0/20

65.19.0.0/16

24.184.0.0/14

104.246.0.0/17

68.196.0.0/14

67.80.0.0/13

167.206.45.0/24

69.124.0.0/14

74.90.0.0/16

167.206.113.0/24

47.20.0.0/14

69.27.224.0/19

108.162.0.0/18

63.142.20.0/24

24.157.51.0/24

108.58.0.0/16

167.206.128.0/17

47.18.0.0/16

107.188.0.0/17

173.2.0.0/15

75.127.128.0/17

144.62.128.0/17

108.170.64.0/18

75.99.0.0/16

24.157.32.0/19

64.15.0.0/16

24.38.192.0/18

24.38.0.0/17

69.116.0.0/14

67.80.0.0/14

47.16.0.0/14

24.146.128.0/17

69.120.0.0/13

148.77.128.0/17

74.89.0.0/24

173.251.0.0/17

67.84.0.0/14

148.74.0.0/15

24.189.218.0/24

96.56.0.0/15

167.206.40.0/22

148.76.192.0/19

167.206.46.0/23

198.46.96.0/19

24.228.0.0/16

69.120.0.0/14

167.206.112.0/22

IPv6 Prefixes (10)

2600:480b::/32

2602:230::/32

2600:4808::/32

2600:4808::/30

2600:4809::/32

2600:4800::/28

2600:480a::/32

2600:480c::/30

2600:4804::/30

2600:4800::/30

BGP Peers (14)

AS18106Viewqwest Pte Ltd

AS19151BroadbandONE, LLC

AS199524Gcore S.A.

AS21700Neptune Networks, LLC

AS24482SG.GS

AS271253LINK BRASIL TELECOMUNICACOES LTDA

AS36236NetActuate, Inc

AS49544i3D.net B.V

AS51185MainStreaming SpA

AS52320V.tal (GlobeNet)

AS58057Securebit AG

AS61573IP Telecom BR

AS6667

AS852

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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.