AS31400 77.37.64.0/21 CIDR and IP Range Summary.ASN: 31400 - firstcolo GmbHHost Count: 2046Addressable IPs: 204877.37.64.0/2477.37.65.0/2477.37.66.0/2477.37.67.0/2477.37.68.0/2477.37.69.0/2477.37.70.0/2477.37.71.0/24