AS16399 64.27.128.0/19 CIDR and IP Range Summary.ASN: 16399 - First Communications LLCHost Count: 8190Addressable IPs: 819264.27.128.0/2464.27.129.0/2464.27.130.0/2464.27.131.0/2464.27.132.0/2464.27.133.0/2464.27.134.0/2464.27.135.0/2464.27.136.0/2464.27.137.0/2464.27.138.0/2464.27.139.0/2464.27.140.0/2464.27.141.0/2464.27.142.0/2464.27.143.0/2464.27.144.0/2464.27.145.0/2464.27.146.0/2464.27.147.0/2464.27.148.0/2464.27.149.0/2464.27.150.0/2464.27.151.0/2464.27.152.0/2464.27.153.0/2464.27.154.0/2464.27.155.0/2464.27.156.0/2464.27.157.0/2464.27.158.0/2464.27.159.0/24