npm

iftop

Display real-time bandwidth usage by connection on a network interface

brewmacoslinux
Try with needOr install directly
Source

About

Display an interface's bandwidth usage

Commands

iftop

Examples

Monitor bandwidth usage on the default network interface$ iftop
Monitor bandwidth on a specific interface (e.g., eth0)$ iftop -i eth0
Show bandwidth usage without resolving hostnames$ iftop -n