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ASN Lookup Tool
AS51572 CERULEAN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS51572
Organisation
Cerulean Solutions Limited
Name
CERULEAN
Total IPv4 Addresses
2,048
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#22,437 out of 79,120
Registry
Ripe
Registered Country
GB flagGB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2010-09-30
Registration Last Change
2025-10-24
Receiving From
ASN
Organisation
AS174
US flagCogent Communications, LLC
AS25577
GB flagBE DC Connect UK Limited
IPv4 Active Prefixes
PrefixRange FromRange To
46.16.80.0/2146.16.80.046.16.87.255