AS18964 204.156.96.0/20 CIDR and IP Range Summary.ASN: 18964 - Adventist Health System Sunbelt Healthcare CorporationHost Count: 4094Addressable IPs: 4096204.156.96.0/24204.156.97.0/24204.156.98.0/24204.156.99.0/24204.156.100.0/24204.156.101.0/24204.156.102.0/24204.156.103.0/24204.156.104.0/24204.156.105.0/24204.156.106.0/24204.156.107.0/24204.156.108.0/24204.156.109.0/24204.156.110.0/24204.156.111.0/24