not working on macos

[bklnf]

hi, not working under macos, zsh.
Sudo not helping

./host-enum.sh: line 10: ip: command not found
./host-enum.sh: line 11: ip: command not found
./host-enum.sh: line 12: ip: command not found
./host-enum.sh: line 13: ip: command not found

\e[00;33m╔═══════════════════════════════════════════════════════════════════════════╗\e[00m
\e[00;33m║ ║\e[00m
\e[00;33m║\e[00m\e[01;32m Simple Host Enumeration \e[00m\e[00;33m║\e[00m
\e[00;33m║ ║\e[00m
\e[00;33m╚═══════════════════════════════════════════════════════════════════════════╝\e[00m

\e[00;33m[ ! ] https://www.linkedin.com/in/IvanGlinkin/ | @IvanGlinkin\e[00m

\e[00;33m[\e[00m \e[01;31m+\e[00m \e[00;33m] This host doesn't have any established connections\e[00m