AS6303 147.63.168.0/21 CIDR and IP Range Summary.ASN: 6303 - Barclays CapitalHost Count: 2046Addressable IPs: 2048147.63.168.0/24147.63.169.0/24147.63.170.0/24147.63.171.0/24147.63.172.0/24147.63.173.0/24147.63.174.0/24147.63.175.0/24