AS57141 149.154.80.0/21 CIDR and IP Range Summary.ASN: 57141 - Telwan SASHost Count: 2046Addressable IPs: 2048149.154.80.0/24149.154.81.0/24149.154.82.0/24149.154.83.0/24149.154.84.0/24149.154.85.0/24149.154.86.0/24149.154.87.0/24