AS131477 172.81.104.0/21 CIDR and IP Range Summary.ASN: 131477 - Prime Security Corp.Host Count: 2046Addressable IPs: 2048172.81.104.0/24172.81.105.0/24172.81.106.0/24172.81.107.0/24172.81.108.0/24172.81.109.0/24172.81.110.0/24172.81.111.0/24