AS31242 91.90.72.0/21 CIDR and IP Range Summary.ASN: 31242 - P4 Sp. Z O.O.Host Count: 2046Addressable IPs: 204891.90.72.0/2491.90.73.0/2491.90.74.0/2491.90.75.0/2491.90.76.0/2491.90.77.0/2491.90.78.0/2491.90.79.0/24