Lava uncovers banned Nvidia chips linked to China Telecom addresses

An Israeli security firm traced 32 export-restricted Blackwell Ultra B300 chips to IP addresses tied to the state-owned carrier Israeli security firm Lava has identified 32 Nvidia Blackwell Ultra B300 chips linked to IP addresses connected to China Telecom, the state-owned carrier. US export controls bar the sale of these chips to China on national security grounds. The chips weren’t found through a raid or a customs seizure. Lava spotted them because someone left a monitoring dashboard open to the internet. The findings were first reported by The Information on October 22, 2026. Lava traced the chips through publicly exposed instances of Nvidia’s DCGM Exporter. This is a monitoring tool that operators use to keep tabs on their GPUs. Many operators leave the tool unsecured, according to the research.

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