#compdef ftp ping rwho rup xping traceroute host mtr dnsip hping2 hping nmap tcptraceroute

local expl hosts

if ! zstyle -a ":completion:${curcontext}:hosts" hosts hosts; then
  (( $+_cache_hosts )) ||
      : ${(A)_cache_hosts:=${(s: :)${(ps:\t:)${${(f)~~"$(</etc/hosts)"}%%\#*}##[:blank:]#[^[:blank:]]#}}} 
  
  (( $+_cache_sshconf_hosts )) ||
      : ${(A)_cache_sshconf_hosts:=${${${(M)${(s:# :)${(zj:# :)${(Lf)"$([[ -f ~/.ssh/config ]] && <~/.ssh/config)"}%%\#*}}##host(|name) *}#host(|name) }/\*}}

  hosts=( "$_cache_hosts[@]" "$_cache_sshconf_hosts[@]")
fi

_wanted hosts expl host \
    compadd -M 'm:{a-zA-Z}={A-Za-z} r:|.=* r:|=*' "$@" -a hosts