AS3900 209.99.32.0/20 CIDR and IP Range Summary.ASN: 3900 - Switch LtdHost Count: 4094Addressable IPs: 4096209.99.32.0/24209.99.33.0/24209.99.34.0/24209.99.35.0/24209.99.36.0/24209.99.37.0/24209.99.38.0/24209.99.39.0/24209.99.40.0/24209.99.41.0/24209.99.42.0/24209.99.43.0/24209.99.44.0/24209.99.45.0/24209.99.46.0/24209.99.47.0/24