AS4925 166.73.144.0/21 CIDR and IP Range Summary.ASN: 4925 - Fiserv Solutions LLCHost Count: 2046Addressable IPs: 2048166.73.144.0/24166.73.145.0/24166.73.146.0/24166.73.147.0/24166.73.148.0/24166.73.149.0/24166.73.150.0/24166.73.151.0/24