AS4997 64.124.144.0/21 CIDR and IP Range Summary.ASN: 4997 - Zayo BandwidthHost Count: 2046Addressable IPs: 204864.124.144.0/2464.124.145.0/2464.124.146.0/2464.124.147.0/2464.124.148.0/2464.124.149.0/2464.124.150.0/2464.124.151.0/24