Indeed, the router services where the Google cache, the CATNIX speed test and the J, L, .com and .net root services are located, has switched from 1 Gbps to 4 Gbps connection.
Upgrading connections at CATNIX: the Anella, up to 2 Gbps, and the router services, up to 4 Gbps
The Anella Científica has upgraded its speed connection at the Catalunya Neutral Internet Exchange Point (CATNIX) from 1 Gbps to 2 Gbps. As a result, by now there are already three entities connected at 2 Gbps at CATNIX, the Anella Científica and the Jazztel and Orange operators.
CATNIX. The Catalonia Neutral Internet Exchange Point