AS12129 209.124.40.0/21 CIDR and IP Range Summary.ASN: 12129 - 123.net Inc.Host Count: 2046Addressable IPs: 2048209.124.40.0/24209.124.41.0/24209.124.42.0/24209.124.43.0/24209.124.44.0/24209.124.45.0/24209.124.46.0/24209.124.47.0/24