AS3900 209.99.64.72/29 CIDR and IP Range Summary.ASN: 3900 - Switch LtdHost Count: 6Addressable IPs: 8 209.99.64.73209.99.64.74209.99.64.75209.99.64.76209.99.64.77209.99.64.78209.99.64.79209.99.64.80