331 (<1)
go-fastping — ICMP ping library for Go inspired by AnyEvent::FastPing Perl module
Similar Protocols ping
335 (<1)
pingd — Ping monitoring engine used in https://ping.gg
Similar Security Performance ping
182 (<1)
go-ping — ICMP Ping library for Go
Similar ping

Some additional repos to consider:
kriben/ping — Ping in golang.

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