AS20057 107.80.128.0/21 CIDR and IP Range Summary.ASN: 20057 - AT&T Mobility LLCHost Count: 2046Addressable IPs: 2048107.80.128.0/24107.80.129.0/24107.80.130.0/24107.80.131.0/24107.80.132.0/24107.80.133.0/24107.80.134.0/24107.80.135.0/24