AS8400 212.57.40.0/21 CIDR and IP Range Summary.ASN: 8400 - TELEKOM SRBIJA a.d.Host Count: 2046Addressable IPs: 2048212.57.40.0/24212.57.41.0/24212.57.42.0/24212.57.43.0/24212.57.44.0/24212.57.45.0/24212.57.46.0/24212.57.47.0/24