AS13816 199.255.240.0/21 CIDR and IP Range Summary.ASN: 13816 - Vigilant TechnologiesHost Count: 2046Addressable IPs: 2048199.255.240.0/24199.255.241.0/24199.255.242.0/24199.255.243.0/24199.255.244.0/24199.255.245.0/24199.255.246.0/24199.255.247.0/24