AS33313 38.128.72.0/21 CIDR and IP Range Summary.ASN: 33313 - Crown Castle Fiber LLCHost Count: 2046Addressable IPs: 204838.128.72.0/2438.128.73.0/2438.128.74.0/2438.128.75.0/2438.128.76.0/2438.128.77.0/2438.128.78.0/2438.128.79.0/24