AS23520 69.79.176.0/21 CIDR and IP Range Summary.ASN: 23520 - Columbus Networks USA Inc.Host Count: 2046Addressable IPs: 204869.79.176.0/2469.79.177.0/2469.79.178.0/2469.79.179.0/2469.79.180.0/2469.79.181.0/2469.79.182.0/2469.79.183.0/24