/bin/ip
/bin/ss
/sbin/bridge
/sbin/ip
/sbin/rtacct
/sbin/rtmon
/sbin/tc
/usr/bin/ctstat
/usr/bin/lnstat
/usr/bin/nstat
/usr/bin/routef
/usr/bin/routel
/usr/bin/rtstat
/usr/sbin/arpd
You may install this package on Debian with
apt-get
install iproute2