AS44066 159.100.16.0/21 CIDR and IP Range Summary.ASN: 44066 - firstcolo GmbHHost Count: 2046Addressable IPs: 2048159.100.16.0/24159.100.17.0/24159.100.18.0/24159.100.19.0/24159.100.20.0/24159.100.21.0/24159.100.22.0/24159.100.23.0/24