AS23520 69.79.16.0/21 CIDR and IP Range Summary.ASN: 23520 - Columbus Networks USA Inc.Host Count: 2046Addressable IPs: 204869.79.16.0/2469.79.17.0/2469.79.18.0/2469.79.19.0/2469.79.20.0/2469.79.21.0/2469.79.22.0/2469.79.23.0/24