# lsof -np $(ps | grep telnetd | awk '{print $1}') -a -d 0
lsof: WARNING: ignoring environment: LSOFPERSDCPATH.history/
COMMAND   PID USER   FD   TYPE     DEVICE SIZE/OFF NODE NAME
telnetd 18166 root    0u  inet 0x88878e80      0t0  TCP 10.96.80.154:telnet->165
.207.187.184:1093 (ESTABLISHED)
#