AS3900 207.207.48.0/20 CIDR and IP Range Summary.ASN: 3900 - Switch LtdHost Count: 4094Addressable IPs: 4096207.207.48.0/24207.207.49.0/24207.207.50.0/24207.207.51.0/24207.207.52.0/24207.207.53.0/24207.207.54.0/24207.207.55.0/24207.207.56.0/24207.207.57.0/24207.207.58.0/24207.207.59.0/24207.207.60.0/24207.207.61.0/24207.207.62.0/24207.207.63.0/24