AS211136 CERT-EU CERT-EU

CERT-EU CERT-EU · registered in Belgium

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Belgium#265largest network in BE by IPv4 space, of 273 · <0.01% of BE

Rank worldwide#75,182of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBelgium294 ASNs registered there

Open AS211136 in ASN lookup Look up an IP in this network (185.15.138.1) All networks in Belgium

IPv4 prefixes

All 1 prefix, in address order.

185.15.138.0/24

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AS211304#266 SMC-BVBA SECURITY MONITORING CENTRE BVBA256

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AS212923#268 gr-jolimont ASBL CHU Helora256

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