set terminal svg size 600,480 font 'arial,16'
set output 'BGP_Table_growth.svg'

set title 'IPv4 prefixes announced on the Internet'
set key off

set xlabel 'Date'
set xdata time
set xtics timedate
set xtics format "%Y"
set timefmt "%Y-%m-%d"
set xrange ["1988-01-01":"2025-01-01"]
set xtics time "1988-01-01", 4 years, "2026-01-01"
set mxtics time 1 years

set ylabel 'Number of prefixes'
set format y "%.0f"

set grid xtics lc rgb 'gray40'
set grid ytics lc rgb 'gray40'

set timefmt "%s"    # (seconds since 1970-01-01)
plot "bgp-active.txt" using 1:2 smooth acsplines with lines linecolor rgb 'red' linewidth 1.5

unset output
unset terminal