AS54857 144.172.0.0/21 CIDR and IP Range Summary.ASN: 54857 - Qorvo US IncHost Count: 2046Addressable IPs: 2048144.172.0.0/24144.172.1.0/24144.172.2.0/24144.172.3.0/24144.172.4.0/24144.172.5.0/24144.172.6.0/24144.172.7.0/24