AS1280 149.20.72.0/21 CIDR and IP Range Summary.ASN: 1280 - Internet Systems Consortium Inc.Host Count: 2046Addressable IPs: 2048149.20.72.0/24149.20.73.0/24149.20.74.0/24149.20.75.0/24149.20.76.0/24149.20.77.0/24149.20.78.0/24149.20.79.0/24