// 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 10185.192.228.0/22 194.154.0.0/20 194.154.16.0/21 194.238.32.0/21 194.238.48.0/21 194.238.60.0/22 194.238.64.0/21 213.18.248.0/21 217.177.16.0/20 217.177.36.0/22
IPv6 Prefixes
1 total2a02: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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