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ASN Lookup Tool
AS15518 CIRC-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS15518
Organisation
Circular Informationssysteme GmbH
Name
CIRC-AS
Total IPv4 Addresses
7,936
Total IPv4 Prefixes
6
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#11,419 out of 79,194
Registry
Ripe
Registered Country
DE flagDE
Registered Country Name
Germany
Registered Date
2002-08-22
Registration Last Change
2025-10-24
Receiving From
ASN
Organisation
AS8220
GB flagCOLT Technology Services Group Limited
AS5400
GB flagBritish Telecommunications PLC
IPv4 Active Prefixes
PrefixRange FromRange To
212.86.160.0/20212.86.160.0212.86.175.255
212.86.180.0/22212.86.180.0212.86.183.255
212.86.188.0/22212.86.188.0212.86.191.255
213.153.64.0/23213.153.64.0213.153.65.255
213.153.67.0/24213.153.67.0213.153.67.255
Showing 5 of 6
IPv6 Active Prefixes
PrefixRange FromRange To
2a00:1180::/322a00:1180::2a00:1180:ffff:ffff:ffff:ffff:ffff:ffff