AS12678 159.253.176.0/21 CIDR and IP Range Summary.ASN: 12678 - Greysom LimitedHost Count: 2046Addressable IPs: 2048159.253.176.0/24159.253.177.0/24159.253.178.0/24159.253.179.0/24159.253.180.0/24159.253.181.0/24159.253.182.0/24159.253.183.0/24