$ errors.fyi/icmp/3-7 128 namespaces · 4,025 codes

icmp · icmp/3-7

3-7

Destination Unreachable: Destination Host Unknown

The destination host is not known to the router or gateway; the host has never been observed on the attached network.

References

rfc-editor.org/rfc/rfc1122

In this namespace

← previous 3-6 Destination Unreachable: Destination Network Unknown next → 3-9 Destination Unreachable: Communication with Destination Network Administratively Prohibited

3-2 3-3 3-4 3-5 3-6 3-7 3-9 3 4 5 8

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