AS12912 78.133.200.0/21 CIDR and IP Range Summary.ASN: 12912 - T-Mobile Polska S.A.Host Count: 2046Addressable IPs: 204878.133.200.0/2478.133.201.0/2478.133.202.0/2478.133.203.0/2478.133.204.0/2478.133.205.0/2478.133.206.0/2478.133.207.0/24