AS1280 149.20.48.0/21 CIDR and IP Range Summary.ASN: 1280 - Internet Systems Consortium Inc.Host Count: 2046Addressable IPs: 2048149.20.48.0/24149.20.49.0/24149.20.50.0/24149.20.51.0/24149.20.52.0/24149.20.53.0/24149.20.54.0/24149.20.55.0/24