AS21547 69.49.144.0/21 CIDR and IP Range Summary.ASN: 21547 - First Light FiberHost Count: 2046Addressable IPs: 204869.49.144.0/2469.49.145.0/2469.49.146.0/2469.49.147.0/2469.49.148.0/2469.49.149.0/2469.49.150.0/2469.49.151.0/24