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ASN Lookup Tool
AS12333 DFINET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12333
Organisation
Cheops Technology Switzerland SA
Name
DFINET
Total IPv4 Addresses
13,824
Total IPv4 Prefixes
6
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#7,957 out of 79,039
Registry
Ripe
Registered Country
CH flagCH
Registered Country Name
Switzerland
Registered Date
2002-09-20
Registration Last Change
2025-06-03
Receiving From

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

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS3303
CH flagSwisscom (Schweiz) AG
AS13237
DE flageuNetworks GmbH
AS6939
US flagHurricane Electric LLC
AS13030
CH flagInit7 (Switzerland) Ltd.
Showing 5 of 16
IPv4 Active Prefixes

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

PrefixRange FromRange To
5.61.224.0/215.61.224.05.61.231.255
94.143.0.0/2194.143.0.094.143.7.255
193.23.0.0/23193.23.0.0193.23.1.255
193.23.46.0/23193.23.46.0193.23.47.255
193.135.166.0/23193.135.166.0193.135.167.255
Showing 5 of 6
IPv6 Active Prefixes
PrefixRange FromRange To
2a00:1840::/322a00:1840::2a00:1840:ffff:ffff:ffff:ffff:ffff:ffff