AS3257 212.74.16.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 4096212.74.16.0/24212.74.17.0/24212.74.18.0/24212.74.19.0/24212.74.20.0/24212.74.21.0/24212.74.22.0/24212.74.23.0/24212.74.24.0/24212.74.25.0/24212.74.26.0/24212.74.27.0/24212.74.28.0/24212.74.29.0/24212.74.30.0/24212.74.31.0/24