AS13977 71.181.16.0/21 CIDR and IP Range Summary.ASN: 13977 - Consolidated Communications Inc.Host Count: 2046Addressable IPs: 204871.181.16.0/2471.181.17.0/2471.181.18.0/2471.181.19.0/2471.181.20.0/2471.181.21.0/2471.181.22.0/2471.181.23.0/24