ASN Lookup Tool
AS513 CERN European Organization for Nuclear Research

An 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.

ASN Details

ASN
AS513
Organisation
CERN European Organization for Nuclear Research
AS Name
CERN
IPv4 Addresses Announced
354,816
IPv4 Prefixes Announced
20
Bogon Prefixes Announced
0
IPv4 Space Rank
#743 out of 75,268
Registry
RIPE
Registered Country
CH flag CH
Registration Date
2001-10-22
Registration Change
2022-02-17

Receiving From

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Organisation
US flag ESnet
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CH flag Init7 Switzerland Ltd.
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Organisation
NL flag GEANT Vereniging
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Organisation
NL flag GEANT Vereniging
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Transit To

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Organisation
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Organisation
NL flag Akamai International B.V.
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Organisation
CH flag ETAT DE GENEVE
ASN
Organisation
EU flag World Health Organization WHO
ASN
Organisation
NL flag Reseaux IP Europeens Network Coordination Centre RIPE NCC
ASN
Organisation
NL flag Reseaux IP Europeens Network Coordination Centre RIPE NCC
ASN
Organisation
IT flag United Nations Logistics Base

Active Prefixes

Showing 10 of 20 Results View More >