AS3933 198.236.176.0/21 CIDR and IP Range Summary.ASN: 3933 - Oregon Public Education NetworkHost Count: 2046Addressable IPs: 2048198.236.176.0/24198.236.177.0/24198.236.178.0/24198.236.179.0/24198.236.180.0/24198.236.181.0/24198.236.182.0/24198.236.183.0/24