AS27506 64.20.176.0/20 CIDR and IP Range Summary.ASN: 27506 - Crown Castle Fiber LLCHost Count: 4094Addressable IPs: 409664.20.176.0/2464.20.177.0/2464.20.178.0/2464.20.179.0/2464.20.180.0/2464.20.181.0/2464.20.182.0/2464.20.183.0/2464.20.184.0/2464.20.185.0/2464.20.186.0/2464.20.187.0/2464.20.188.0/2464.20.189.0/2464.20.190.0/2464.20.191.0/24