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Autonomous System details for AS21339

AS21339
Contingency Networks Ltd • contingencynetworks.co.uk

AS21339 — Contingency Networks Ltd

AS Name
ContingencyNetworks
Country
United Kingdom (GB)
Website
Number of IPv4
3,328
Number of IPv6
0
ASN type
ISP
Status
Allocated
Registry
RIPE
Allocated
September 06, 2012
Last updated
June 22, 2021

IP Ranges

7 IPv4 prefixes
Prefix Company Number of IPs
45.143.120.0/23 Cirrus Blue Ltd 512
45.143.122.0/23 Contingency Networks Ltd 512
77.93.143.0/24 Contingency Networks Ltd 256
158.94.215.0/24 Contingency Networks Ltd 256
176.124.68.0/23 Contingency Networks Ltd 512
185.61.164.0/22 Contingency Networks Ltd 1,024
193.187.99.0/24 Contingency Networks Ltd 256

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS21339

25 peers

AS21339 peers with these other Autonomous Systems.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS21339

2 upstreams

AS21339 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS21339 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS21339

0 downstreams

AS21339 has no downstreams recorded.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.

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