AS23520 190.242.176.0/20 CIDR and IP Range Summary.ASN: 23520 - Columbus Networks USA Inc.Host Count: 4094Addressable IPs: 4096190.242.176.0/24190.242.177.0/24190.242.178.0/24190.242.179.0/24190.242.180.0/24190.242.181.0/24190.242.182.0/24190.242.183.0/24190.242.184.0/24190.242.185.0/24190.242.186.0/24190.242.187.0/24190.242.188.0/24190.242.189.0/24190.242.190.0/24190.242.191.0/24