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jauderho/Public time servers with anycast NTP support.md

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This is a curated list of NTP time servers that have anycast IP addresses. This is useful for devices/appliances that can only use IP addresses for defined NTP servers.
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Public time servers with anycast NTP support.md

Cloudflare (AS13335)

server 162.159.200.123

server 162.159.200.1

Facebook (AS32934)

server 129.134.28.123 # SJC

server 129.134.29.123 # DFW

server 129.134.25.123 # LAX

server 129.134.26.123 # LAX

server 129.134.27.123 # MIA

Netnod (AS57021)

server 194.58.200.20

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jauderho commented Aug 30, 2021 •
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Per Cloudflare, their time service is primarily intended to be accessed via hostname. The corresponding IP addresses may occasionally change. YMMV

Please also consider the ramifications of anycast NTP: https://www.rfc-editor.org/rfc/rfc8633.html#page-17

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