AS13280 83.136.40.0/21 CIDR and IP Range Summary.ASN: 13280 - Three Ireland (Hutchison) LimitedHost Count: 2046Addressable IPs: 204883.136.40.0/2483.136.41.0/2483.136.42.0/2483.136.43.0/2483.136.44.0/2483.136.45.0/2483.136.46.0/2483.136.47.0/24