AS8680 37.72.152.0/21 CIDR and IP Range Summary.ASN: 8680 - Sure (Guernsey) LimitedHost Count: 2046Addressable IPs: 204837.72.152.0/2437.72.153.0/2437.72.154.0/2437.72.155.0/2437.72.156.0/2437.72.157.0/2437.72.158.0/2437.72.159.0/24