AS12306 212.19.48.0/21 CIDR and IP Range Summary.ASN: 12306 - Plus.line AGHost Count: 2046Addressable IPs: 2048212.19.48.0/24212.19.49.0/24212.19.50.0/24212.19.51.0/24212.19.52.0/24212.19.53.0/24212.19.54.0/24212.19.55.0/24