ZoomEye finds 917,080 hosts exposing IPMI port 623
A ZoomEye query for port="623" on 23 September 2026 returned 917,080 reachable hosts running IPMI. Out-of-band controllers sit below the OS, so host firewalls and patches do not protect them, and their firmware often lags years behind.
- ZoomEye query port="623" returned 917,080 matching assets on 23 September 2026
- IPMI runs below the OS, so host firewalls and patches do not cover it
- The count does not distinguish vendors, firmware versions or authentication settings
- Recommended: dedicated management network, changed vendor defaults, tracked BMC firmware
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