AS31463 79.99.64.0/21 CIDR and IP Range Summary.ASN: 31463 - 4D Data Centres LimitedHost Count: 2046Addressable IPs: 204879.99.64.0/2479.99.65.0/2479.99.66.0/2479.99.67.0/2479.99.68.0/2479.99.69.0/2479.99.70.0/2479.99.71.0/24