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ASN Lookup Tool
AS199441 AS1-COSIUM

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS199441
Organisation
Cosium sarl
Name
AS1-COSIUM
Total IPv4 Addresses
512
Total IPv4 Prefixes
2
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#54,148 out of 77,268
Registry
Ripe
Registered Country
FR flag FR
Registered Country Name
France
Registered Date
2013-01-21
Registration Last Change
2023-10-27
Receiving From

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

ASN
Organisation
AS174
US flagCogent Communications
AS8220
GB flagCOLT Technology Services Group Limited
AS15830
NL flagEquinix (EMEA) Acquisition Enterprises B.V.
IPv4 Active Prefixes

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

Prefix185.14.128.0/24
Range From185.14.128.0
Range To185.14.128.255
Prefix185.14.129.0/24
Range From185.14.129.0
Range To185.14.129.255
IPv6 Active Prefixes
Prefix2a03:a240::/48
Range From2a03:a240::
Range To2a03:a240:0:ffff:ffff:ffff:ffff:ffff
Prefix2a03:a240:1::/48
Range From2a03:a240:1::
Range To2a03:a240:1:ffff:ffff:ffff:ffff:ffff
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.