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

AS11139

ASN

ARIN

RIR

311

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS11139

NameCWC-ROC-11139

OrganisationCable & Wireless Dominica

Country –

RIRARIN

Allocated21.04.1998

Network Overview

IPv4 Prefixes311

IPv6 Prefixes15

Upstreams (Transit)2

Downstreams (Customers)6

BGP Peers0

AS Path (BGP neighbours)

Upstreams (Transit)

AS14813Columbus Telecommunications (Barbados) Limited AS23520Columbus Networks USA, Inc.

AS11139CWC-ROC-11139

Downstreams (Customers)

AS14694Telecommunications Regulatory Commission AS202574VLE LIMITED AS397382Eastern Caribbean Central Bank AS397529Pegasus Technologies Inc AS399478St. John's Cooperative Credit Union Ltd AS399915EPIC Communications Inc

Upstreams (Transit) (2)

AS14813Columbus Telecommunications (Barbados) Limited

AS23520Columbus Networks USA, Inc.

Downstreams (Customers) (6)

AS14694Telecommunications Regulatory Commission

AS202574VLE LIMITED

AS397382Eastern Caribbean Central Bank

AS397529Pegasus Technologies Inc

AS399478St. John's Cooperative Credit Union Ltd

AS399915EPIC Communications Inc

IPv4 Prefixes (256)

199.195.223.0/24

205.217.253.0/24

209.59.99.0/24

65.48.174.0/24

209.59.83.0/24

76.76.162.0/24

208.169.81.0/24

69.57.241.0/24

76.76.174.0/24

69.80.39.0/24

65.48.157.0/24

209.59.88.0/24

209.59.77.0/24

204.16.113.0/24

205.217.252.0/24

209.59.121.0/24

200.50.84.0/24

162.253.100.0/24

69.57.246.0/24

205.217.236.0/24

206.214.29.0/24

76.76.161.0/24

196.1.160.0/24

200.50.95.0/24

208.0.227.0/24

209.59.82.0/24

205.214.194.0/24

205.214.193.0/24

205.214.206.0/24

199.189.115.0/24

205.214.203.0/24

209.59.104.0/23

65.48.155.0/24

76.76.165.0/24

69.80.44.0/24

209.59.117.0/24

208.169.82.0/24

205.217.251.0/24

205.217.249.0/24

209.59.93.0/24

205.217.254.0/24

206.214.15.0/24

65.48.247.0/24

206.214.28.0/24

72.51.126.0/24

76.76.172.0/24

65.48.218.0/24

162.220.137.0/24

162.210.156.0/22

209.59.64.0/18

209.59.125.0/24

199.16.56.0/24

206.214.27.0/24

192.64.123.0/24

209.59.111.0/24

162.220.140.0/24

208.0.228.0/24

76.76.167.0/24

205.217.227.0/24

209.59.118.0/24

162.220.139.0/24

209.59.119.0/24

209.59.120.0/24

76.76.180.0/24

65.48.219.0/24

206.214.6.0/24

205.217.233.0/24

200.50.85.0/24

205.160.233.0/24

205.217.250.0/24

205.217.248.0/24

209.59.78.0/24

72.51.67.0/24

206.214.7.0/24

67.213.153.0/24

200.50.67.0/24

209.59.80.0/24

65.48.156.0/24

209.59.74.0/24

208.0.230.0/24

76.76.169.0/24

76.76.185.0/24

72.51.69.0/24

196.1.162.0/24

76.76.170.0/24

162.252.189.0/24

65.48.144.0/24

205.214.222.0/24

208.169.75.0/24

208.0.224.0/24

205.214.214.0/24

192.214.113.0/24

209.59.66.0/24

192.214.112.0/24

69.57.248.0/24

209.59.81.0/24

209.59.71.0/24

69.80.40.0/24

206.214.30.0/24

69.57.253.0/24

69.80.36.0/24

76.76.179.0/24

206.214.14.0/24

196.1.168.0/24

200.50.69.0/24

209.59.92.0/24

69.80.43.0/24

209.59.116.0/24

209.59.85.0/24

76.76.176.0/24

206.214.22.0/24

65.48.217.0/24

209.59.114.0/24

69.57.242.0/24

76.76.177.0/24

76.76.160.0/24

198.56.56.0/24

76.76.178.0/24

199.195.220.0/24

69.57.227.0/24

69.57.233.0/24

69.57.250.0/24

205.214.215.0/24

204.212.241.0/24

205.214.221.0/24

205.214.200.0/24

206.53.141.0/24

205.217.224.0/24

209.59.73.0/24

209.59.79.0/24

162.252.191.0/24

209.59.84.0/24

69.57.255.0/24

200.50.68.0/24

206.214.24.0/24

192.64.120.0/24

209.59.112.0/24

65.48.154.0/24

76.76.164.0/24

205.214.219.0/24

209.236.55.0/24

209.59.86.0/24

209.59.65.0/24

76.76.160.0/19

69.80.42.0/24

209.59.76.0/24

206.214.10.0/24

69.57.226.0/24

67.213.158.0/24

206.214.21.0/24

206.214.31.0/24

206.214.13.0/24

69.80.37.0/24

69.57.237.0/24

76.76.187.0/24

192.214.114.0/24

69.57.254.0/24

205.217.240.0/24

199.189.113.0/24

209.59.72.0/24

209.59.109.0/24

205.217.246.0/24

206.214.25.0/24

205.217.247.0/24

209.59.122.0/24

69.57.247.0/24

209.59.89.0/24

205.217.225.0/24

205.214.204.0/24

209.236.60.0/22

72.22.148.0/24

192.64.120.0/22

207.42.135.0/24

76.76.176.0/22

196.1.171.0/24

205.217.235.0/24

205.214.192.0/24

209.59.98.0/24

199.189.112.0/24

205.214.200.0/23

162.252.188.0/24

209.59.64.0/24

206.214.26.0/24

162.210.157.0/24

76.76.184.0/24

76.76.186.0/24

205.217.224.0/19

205.217.226.0/24

69.57.240.0/24

69.57.243.0/24

206.214.4.0/23

205.214.216.0/24

205.214.202.0/24

209.59.124.0/24

206.214.20.0/24

206.214.23.0/24

209.236.54.0/24

209.59.68.0/24

209.59.75.0/24

208.169.73.0/24

207.42.132.0/22

209.59.101.0/24

209.59.100.0/24

162.252.188.0/22

162.253.103.0/24

205.217.239.0/24

69.57.249.0/24

206.214.0.0/19

209.59.90.0/24

104.218.178.0/23

205.217.243.0/24

205.217.255.0/24

65.48.236.0/24

69.57.245.0/24

209.59.107.0/24

72.51.116.0/24

69.80.41.0/24

209.59.67.0/24

69.80.38.0/24

205.217.232.0/24

65.48.220.0/24

204.16.115.0/24

206.214.0.0/24

209.59.87.0/24

205.217.238.0/24

72.51.125.0/24

205.217.241.0/24

200.50.93.0/24

69.57.235.0/24

162.253.102.0/24

206.214.1.0/24

196.1.167.0/24

76.76.175.0/24

205.217.242.0/24

209.59.97.0/24

162.222.87.0/24

104.218.176.0/23

162.253.101.0/24

206.214.9.0/24

209.59.123.0/24

69.57.238.0/24

199.16.59.0/24

206.214.11.0/24

209.59.69.0/24

198.101.28.0/22

198.56.59.0/24

76.76.160.0/20

69.57.225.0/24

69.80.45.0/24

200.50.77.0/24

209.59.103.0/24

209.59.102.0/24

209.59.70.0/24

205.214.213.0/24

76.76.183.0/24

200.50.76.0/24

IPv6 Prefixes (15)

2604:a180:8000::/35

2604:a180:6000::/35

2604:a180:7000::/36

2604:a180::/35

2604:a180:1000::/36

2604:a180:4000::/36

2604:a180:c000::/36

2604:a180::/36

2604:a180:d000::/36

2604:a180:9000::/36

2604:a180:6000::/36

2604:a180:e000::/36

2604:a180:8000::/36

2604:a180:c000::/35

2604:a180:f000::/36

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.