# lsof -i|grep -i dnsmasq 
dnsmasq   17224   nobody    3u  IPv6 0xd5f3b7d4      0t0  TCP [fe80:1::20b:cdff:fe4a:4dff]:domain (LISTEN)
dnsmasq   17224   nobody    4u  IPv6 0xd5e9528c      0t0  UDP [fe80:1::20b:cdff:fe4a:4dff]:domain
dnsmasq   17224   nobody    5u  IPv4 0xd5f3bc84      0t0  TCP pegasus.atmat.static.otenet.gr:domain (LISTEN)
dnsmasq   17224   nobody    6u  IPv4 0xd5e950dc      0t0  UDP pegasus.atmat.static.otenet.gr:domain
dnsmasq   17224   nobody    7u  IPv6 0xd5f3baf4      0t0  TCP [fe80:5::1]:domain (LISTEN)
dnsmasq   17224   nobody    8u  IPv6 0xd5e9543c      0t0  UDP [fe80:5::1]:domain
dnsmasq   17224   nobody    9u  IPv6 0xd5f3b964      0t0  TCP localhost:domain (LISTEN)
dnsmasq   17224   nobody   10u  IPv6 0xd5e955ec      0t0  UDP localhost:domain
dnsmasq   17224   nobody   11u  IPv4 0xd5f3be14      0t0  TCP localhost:domain (LISTEN)
dnsmasq   17224   nobody   12u  IPv4 0xd5e9579c      0t0  UDP localhost:domain
dnsmasq   17224   nobody   13u  IPv4 0xd5e95874      0t0  UDP *:bootps
dnsmasq   17224   nobody   14u  IPv4 0xd5e9594c      0t0 ICMP *:*
dnsmasq   17224   nobody   20u  IPv4 0xd5e95a24      0t0  UDP *:19415