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// ASN

AS5503

RMIFL, GB

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS5503
Organization
UK-RESEARCHMACHINES-20010302
Description
RMIFL, GB
Country
GB
Registry (RIR)
RIPE
Created
2010-10-03
Updated
2026-03-26
IPv4 Prefixes
42
IPv6 Prefixes
1

IPv4 Prefixes

42 total · showing first 10
185.192.228.0/22
194.154.0.0/20
194.154.16.0/21
194.238.32.0/21
194.238.48.0/21
194.238.60.0/22
194.238.64.0/21
213.18.248.0/21
217.177.16.0/20
217.177.36.0/22

IPv6 Prefixes

1 total
2a02:fb0::/32

What is AS5503?

AS5503 is an Autonomous System Number (ASN) assigned to UK-RESEARCHMACHINES-20010302. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

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