That's technically correct, but NTPv4 has the concept of eras [1] which gets incremented when that number would normally wrap. [1] https://tools.ietf.org/html/

That's technically correct, but NTPv4 has the concept of eras [1] which gets incremented when that number would normally wrap. [1] https://tools.ietf.org/html/rfc5905#section-6 https://tools.ietf.org/html/rfc5905#section-6