BGP upstream map highlighting AS30823 (aurologic) feeding multiple high-risk hosting ASNs across Europe

Sanctions vs. Transit: Aeza’s Reliance on aurologic Connectivity

aurologic GmbH (AS30823) operates a multi-terabit backbone out of Langen and connects multiple high-risk hosting providers including sanction-linked entities—giving malware C2 and staging servers durable reach. This analysis explains why upstream neutrality often translates into enablement, how TAEs cluster under aurologic, and what blue teams can do: upstream-aware detections, deny-by-default on risky cones, flowspec/RTBH during incidents, and procurement levers that force faster de-peering.

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