171.16.0.0 171.33.255.255 RIPE Network Coordination Centre 171.64.0.0 171.67.255.255 Stanford University Network 171.68.0.0 171.71.255.255 BBN Communications 171.72.0.0 171.72.255.255 Wells Fargo Financial Services Corp 171.73.0.0 171.73.255.255 Genuity 171.74.0.0 171.75.255.255 Level 3 Communications, Inc. 171.76.0.0 171.77.255.255 Genuity 171.78.0.0 171.79.255.255 Level 3 Communications, Inc. 171.128.0.0 171.206.255.255 Bank of America