[Nmap, Ncat, Nping]

--host-timeout --max-rtt-timeout --min-rtt-timeout --initial-rtt-timeout --scan-delay --max-scan-delay --stats-every

-d --delay -i --idle-timeout -w --wait

--delay --host-timeout --icmp-orig-time --icmp-recv-time --icmp-trans-time

Since April 2010, the default unit for --host-timeout is seconds, so your time of "10000" is 2.8 hours. If this is what you want, use "10000s". QUITTING!