AS21547 204.97.16.0/21 CIDR and IP Range Summary.ASN: 21547 - First Light FiberHost Count: 2046Addressable IPs: 2048204.97.16.0/24204.97.17.0/24204.97.18.0/24204.97.19.0/24204.97.20.0/24204.97.21.0/24204.97.22.0/24204.97.23.0/24