https://mirrors.wikimedia.org/ubuntu/pool/universe/j/jnettop/?C=N;O=D
Index of /ubuntu/pool/universe/j/jnettop
index ofubuntupooluniversej
https://mirror.math.princeton.edu/pub/ubuntu/pool/universe/j/jnettop/?C=S;O=D
Index of /pub/ubuntu/pool/universe/j/jnettop
index ofpububuntupooluniverse
https://ftp.debian.org/debian/pool/main/j/jnettop/
Index of /debian/pool/main/j/jnettop
index ofdebianpoolmainj