AS21540 64.16.96.0/21 CIDR and IP Range Summary.ASN: 21540 - Lewis Roca Rothgerber LLPHost Count: 2046Addressable IPs: 204864.16.96.0/2464.16.97.0/2464.16.98.0/2464.16.99.0/2464.16.100.0/2464.16.101.0/2464.16.102.0/2464.16.103.0/24