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AS197869
AS197869 CIRCL Luxembourg House of Cybersecurity
CIRCL Luxembourg House of Cybersecurity · registered in Luxembourg
IPv4 addresses 1,024 1 prefixes · <0.001% of announced IPv4
Rank in Luxembourg #45 largest network in LU by IPv4 space, of 103 · 0.07% of LU
Rank worldwide #30,819 of 79,396 networks with IPv4
IPv6 1 x /32 (65,536 x /48) 1 prefixes
IPv4 prefixes
All 1 prefix, in address order.
IPv6 prefixes
All 1 prefix.
Similar-sized networks in Luxembourg
ASN Name IPv4 addresses
AS203143 #43 BCEE-LU Banque et Caisse d'Epargne de l'Etat Luxembourg1,024
AS60497 #46 ict-media Uwe Zeidler1,024
AS60288 #47 EurobaseGmbH Eurobase GmbH1,024
AS200331 #48 SGG IQ EQ (Luxembourg) S.A.1,024
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources