AS4997 64.124.16.0/21 CIDR and IP Range Summary.ASN: 4997 - Zayo BandwidthHost Count: 2046Addressable IPs: 204864.124.16.0/2464.124.17.0/2464.124.18.0/2464.124.19.0/2464.124.20.0/2464.124.21.0/2464.124.22.0/2464.124.23.0/24