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ASN Lookup Tool
AS203434 OPEN-CIRCLE

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS203434
Organisation
Open Circle AG
Name
OPEN-CIRCLE
Total IPv4 Addresses
2,048
Total IPv4 Prefixes
6
Total IPv6 Prefixes
22
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#22,263 out of 79,166
Registry
Ripe
Registered Country
CH flagCH
Registered Country Name
Switzerland
Registered Date
2016-01-19
Registration Last Change
2025-11-06
Receiving From
ASN
Organisation
AS33891
DE flagCore-Backbone GmbH
AS13237
DE flageuNetworks GmbH
AS6939
US flagHurricane Electric LLC
AS49544
NL flagi3D.net B.V
AS36236
US flagNetActuate, Inc
Showing 5 of 17
IPv4 Active Prefixes
PrefixRange FromRange To
45.66.232.0/2345.66.232.045.66.233.255
45.66.234.0/2345.66.234.045.66.235.255
185.134.164.0/24185.134.164.0185.134.164.255
185.134.165.0/24185.134.165.0185.134.165.255
185.134.166.0/24185.134.166.0185.134.166.255
Showing 5 of 6
IPv6 Active Prefixes
PrefixRange FromRange To
2a00:b0a0::/482a00:b0a0::2a00:b0a0:0:ffff:ffff:ffff:ffff:ffff
2a00:b0a0:1::/482a00:b0a0:1::2a00:b0a0:1:ffff:ffff:ffff:ffff:ffff
2a00:b0a0:2::/482a00:b0a0:2::2a00:b0a0:2:ffff:ffff:ffff:ffff:ffff
2a00:b0a0:3::/482a00:b0a0:3::2a00:b0a0:3:ffff:ffff:ffff:ffff:ffff
2a00:b0a0:4::/462a00:b0a0:4::2a00:b0a0:7:ffff:ffff:ffff:ffff:ffff
Showing 5 of 22