AS21525 66.212.64.0/20 CIDR and IP Range Summary.ASN: 21525 - Seattle Public LibraryHost Count: 4094Addressable IPs: 409666.212.64.0/2466.212.65.0/2466.212.66.0/2466.212.67.0/2466.212.68.0/2466.212.69.0/2466.212.70.0/2466.212.71.0/2466.212.72.0/2466.212.73.0/2466.212.74.0/2466.212.75.0/2466.212.76.0/2466.212.77.0/2466.212.78.0/2466.212.79.0/24