pktstat displays a real-time list of active connections seen on a network interface, and how much bandwidth is being used.
Entries hang around on the screen for a few seconds so you can see what just happened. Also accepts filter expressions ¡ la tcpdump.
I use this a bit to see what is clogging up my modem.
· libpcap 0.5
What's New in This Release:
· This release increases packet and octet counter ranges from 32 bit to 64 bit, improves window resize event handling, fixes an over-by-one buffer overflow bug, and adds a single-shot batch output mode.