Comment by whackx

sshd does this.

sshd 3891262 root 4u IPv4 15450342 0t0 TCP ibpmaas-testing:https->10.10.47.11:49064 (ESTABLISHED)

sshd 3891351 ubuntu 4u IPv4 15450342 0t0 TCP ibpmaas-testing:https->10.10.47.11:49064 (ESTABLISHED)

# lsof -ti ":49064"

3891262 3891351

edit for readability