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
#22,226 out of 77,675
Registry
Ripe
Registered Country
GB flag GB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2010-09-30
Registration Last Change
2018-09-04
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
US flagCogent Communications
GB flagBEC DC Connect Ltd.
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Range From46.16.80.0
Range To46.16.87.255
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.