Ecco qua per focalizzare meglio il problema, anche facendo un traceroute inverso dal Looking Glass di 23media: https://lg.23media.com/
traceroute to x.x.x.x (x.x.x.x), 30 hops max, 60 byte packets
1 * * *
2 ae2-20.cr01.fra01.net.23m.com (62.113.192.97) 0.226 ms 1.803 ms 0.180 ms
3 xe-1-0-9-20.bb01.fra01.net.23m.com (62.113.192.109) 0.469 ms 0.424 ms 0.381 ms
4 212.162.9.41 (212.162.9.41) 0.919 ms 0.898 ms 0.871 ms
5 ae2-3221.edge8.Frankfurt1.level3.net (4.69.158.190) 4.665 ms ae1-3121.edge8.Frankfurt1.level3.net (4.69.158.186) 2.422 ms 2.400 ms
6 * TelecomItalia-level3-Frankfurt1.Level3.net (4.68.63.110) 141.441 ms 130.713 ms
7 195.22.211.121 (195.22.211.121) 148.188 ms 148.162 ms 138.998 ms
8 195.22.205.99 (195.22.205.99) 148.520 ms 133.270 ms 154.215 ms
9 * * *
10 * * *
