filtering a range of ports out of a netstat output

Shell Programming and Scripting
1

i'd like to grep a range of ports on a netstat -nt output, localaddress, say :1 to :1023. how do i do it via sed/awk/grep?

Thanks,
Marc

2 
netstat -nt|awk 'NR>2{m=split($4,a,":");print a[m]}'